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James, the agile juggler on the maize research-to-development continuum

 Africa, Capacity building, Crop breeding, Maize, Researchers  1 Response »
Jan 122015
 
James profile

James Gethi and one of the crops closest to his heart – maize. He also has a soft spot for hardy crop varieties that survive harsh and unforgiving drylands, such as Machakos, Kenya, where this June 2011 photo of him with drought-tolerant KARI maize was taken.

As we tell our closing stories on our Sunset Blog, in parallel, we’re also catching up on the backlog of stories still in our store from the time GCP was a going concern. Our next stop is Kenya, and the narrative below is from 2012, but don’t go away as it is an evergreen – a tale that can be told at any time, as it remains fresh as ever. At that time, and for the duration of the partnership with GCP, the Food Crops Research Institute of the Kenya Agricultural and Livestock Research Organisation (KALRO) was then known as the Kenya Agricultural Research Institute (KARI), and we shall therefore stay with this previous name in the story. KARI was also the the name of the Kenyan institute at the time when James Gethi (pictured) left for a sabbatical at the International Maize and Wheat Improvement Center (CIMMYT by its Spanish acronym). On to the story then, and please remember we’re travelling back in time to the year 2012. 

“I got into science by chance, for the fun of it,” muses James, maize breeder and former GCP scientist “With agricultural school promising a flight to overfly the country’s agricultural areas– this was an interesting prospect for a village guy. ‘This could be fun’, I thought!”

And it turned out to be a chance well worth taking.  His first step was getting the requisite education. And so he armed himself with a BSc in Agriculture from the University of Nairobi, Kenya, topped with a Master’s and PhD in Plant Breeding from the University of Alberta (Canada) and Cornell University (USA), respectively. Beyond academics, in the course of his crop science career, James has developed 13 crop varieties, that included maize and cassava, published papers in numerous peer-reviewed papers (including the 2003 prize for Best paper in the field of crop science in the prestigious Crop Science journal. And in leadership, James headed the national maize research programme in his native Kenya. These are just a few of the achievements James has garnered in the course of his career, traversing  and transcending not only the geographical frontiers initially in his sights, but also scientific ones, reaching professional heights that perhaps his younger self might never have dreamt possible.

As a Research Officer at KARI, a typical day sees James juggling his time between hands-on research (developing maize varieties resistant to drought, field and storage pests) and project administration, coordinating public–private partnerships and the maize research programme at both institutional and country level. What motivates the man shouldering much of the responsibility for the buoyancy of his nation’s staple crop? James explains, “Making a difference by providing solutions to farmers. That’s my passion and that’s what makes me get up in the morning and go to work. It’s hugely satisfying!”

Without GCP, I would not be where I am today as a scientist… [it] gave me a chance to work with the best of the best worldwide… You develop bonds and understanding that last well beyond the life of the projects.”

Rapid transitions: trainee to trainer to leader
It was this passion and unequivocal dedication to his vocation – not to mention a healthy dollop of talent – that GCP was quick to recognise back in 2004, when James first climbed aboard the GCP ship. Like a duck to water, he proceeded to engage in all manner of GCP projects and related activities, steadily climbing the ranks from project collaborator to co-Principal Investigator and, finally, Principal Investigator in his own right, leading a maize drought phenotyping project. Along the way, he also secured GCP Capacity building à la carte and Genotyping Support Service grants to further the maize research he and his team were conducting.

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FLASHBACK: At a GCP drought phenotyping course in mid-2006 at Montpellier, France. (1) James (left) pays keen attention during one of the practical sessions. (2) In the spirit of “All work and no play, etc”, taking a break from the course to take in some of the sights with colleagues. Clearly, James, “the guy from the village” is anything but a dull boy! Next to James, second left, is BM Prasanna, currently leader of CIMMYT’s maize programme.

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From trainee to trainer and knowledge-sharer: James (behind the camera) training KARI staff on drought phenotyping in June 2009 at Machakos, in Kenya’s drylands.

The GCP experience, James reveals, has been immensely rewarding: “Without GCP, I would not be where I am today as a scientist,” he asserts. And on the opportunity to work with a capable crew beyond national borders, as opposed to operating as a solo traveller, he says: “GCP gave me a chance to work with the best of the best worldwide, and has opened up new opportunities and avenues for collaboration between developing-country researchers and advanced research institutes, creating and cementing links that were not so concrete before. This has shown that we don’t have to compete with one another; we can work together as partners to derive mutual benefits, finding solutions to problems much faster than we would have done working alone and apart from each other.”

The links James has in mind are not only tangible but also sustainable: “You develop bonds and understanding that last well beyond the life of the projects,” James enthuses, citing additional professional engagements (the African Centre for Crop Improvement in KwaZulu-Natal, South Africa, and the West Africa Centre for Crop Improvement, have both welcomed James and his team into their fold), as well as firm friendships with former GCP project colleagues as two key take-home benefits of his interaction with the Programme. These new personal and professional circles have fostered a happy home for dynamic debates on the latest news and views from the crop-science world, and the resultant healthy cross-fertilisation of ideas, James affirms.

Reflecting on what he describes as a ‘mentor’ role of GCP, and on the vital importance of capacity building in general, he continues: “By enhancing the ability of a scientist to collect germplasm, or to analyse that germplasm, or by providing training and tips on how to write a winning project proposal to get that far in the first place, you’re empowering scientists to make decisions on their own – decisions which make a difference in the lives of farmers. This is tremendous empowerment.”

Another potent tool, says James, is the software made available to him through GCP’s Integrated Breeding Platform (IBP), which is a handy resource package to dip into for – among other things – analysing data and selecting the right varieties at the right time. The next step for IBP, he feels, should be scaling up and aiming for outreach to the wider scientific community, forecasting that such a step could bring nothing but success: “The impacts could be enormous!” he projects, with a palpable and infectious enthusiasm.

People… don’t eat publications, they eat food… I’m not belittling knowledge, but we can do both”

Fast but not loose on the R&D continuum: double agent about?
For James, outreach and impacts are not limited to science alone. In parallel with his activities in upstream genetic science, James’ efforts are equally devoted to the needs of his other client base-–the development community and farmers. For this group, James’ focus is on putting tangible products on the table that will translate into higher crop yields and incomes for farmers. Yet whilst products from any highly complex scientific research project worth its salt are typically late bloomers, often years in the making on a slow burner as demanded by the classic linear R&D view that research must always precede development, adaptation and final adoption, James has been quick to recognise that actors in the world of development and the vulnerable communities they serve do not necessarily have this luxury of time.

August 2008: a huge handful, and more where that came from in Kwale, Kenya. This farmer's healthy harvest came from KARI hybrids.

August 2008: a huge handful, and more where that came from in Kwale, Kenya. This farmer’s healthy harvest came from KARI hybrids.

His solution for this challenge? “Sitting where I sit, I realised from very early on that if I followed the traditional linear scientific approach, my development clients would not take it kindly if I still had no products for them within the three-year lifespan of the project. The challenge then was to deliver results for farmers without compromising or jeopardising their integrity or the science behind the product,” he recalls. In the project he refers to – a GCP-funded project to combat drought and disease in maize and rice – James applied a novel double-pronged approach to get around this seeming conundrum of the need for sound science on the one hand, and the need for rapid results for development on the other hand. Essentially, he simultaneously walked on both tracks of the research–development continuum.

The project – led by Rebecca Nelson of Cornell University and with collaborators including James’ team at KARI (leading the maize component), the International Rice Research Institute (IRRI), researchers in Asia, as well as other universities in USA – initially set out with the long-term goal of dissecting quantitative trait loci (QTLs) for rice and maize with a view to combating drought and disease in these crops. Once QTLs were dissected and gene crosses done, James and his team went about backcrossing these new lines to local parental lines, generating useful products in the short term. The results, particularly given the limited resources and time invested, have been impressive, with seven hybrid varieties developed for drylands and coastal regions having been released in Kenya by 2009, and commercialised from 2010.

James and his colleagues have applied the same innovative approach to other GCP projects, grappling to get a good grasp of the genetic basis of drought tolerance, whilst also generating intermediate products for practical use by farmers along the way. James believes this dual approach paves the way for a win-win situation: “People on the ground don’t eat publications, they eat food,” he says. “As we speak now, there are people out there who don’t know where their next meal will come from. I’m not belittling knowledge, but we can do both – boiled maize on the cob and publications on the boil. But let’s not stop at crop science  and knowledge dissemination – let’s move it to the next level, which means products,” he challenges, adding: “With GCP support, we were able do this, and reach our intended beneficiaries.”

It is perhaps this kind of vision and inherent instinct to play the long game that has taken James this far professionally, and that will no doubt also serve him well in the future.

As our conversation comes to a close, we ask James for a few pearls of wisdom for other young budding crop researchers eager to carve out an equally successful career path for themselves, James offers “Form positive links and collaborations with colleagues and peers. Never give up; never let challenges discourage you. Look for organisations where you can explore the limits of your imagination. Stay focused and aim high, and you’ll reach your goal.”

Upon completion of his ongoing sabbatical at CIMMYT in Zimbabwe, where he is currently working on seed systems, James plans to return to KARI, armed with fresh knowledge and ready to seize – with both hands – any promising collaborative opportunities that may come his way .

Certainly, prospects look plentiful for this ‘village lad’ in full flight, and who doesn’t look set to land any time soon!

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In full flight – Montpellier, Brazil, Benoni, Bangkok, Bamako, Hyderabad… our boy voyaged from the village to Brazil and back, and far beyond that. Sporting the t-shirt from GCP’s Annual Research Meeting in Brazil in 2006, which James attended, he also attended the same meeting the following year, in Benoni, South Africa, in 2007, when this photo was taken. James is a regular at these meetings which are the pinnacle on  GCP’s calendar (http://bit.ly/I9VfP4). But he always sings for his supper and is practically part of the ‘kitchen crew’, but just as comfortable in high company. For example, he was one of the keynote speakers at the 2011 General Research Meeting (see below).

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Jura’s ‘jurassic’ journeys of discovery to and from sorghum’s ‘seven seas sede’

 Africa, Asia, Comparative genomics in cereals, Genetics, Genomics, Latin America, Researchers, Sorghum  No Responses »
Jan 082015
 

Welcome to Brazil! Journey by road six hours northwest from Rio de Janeiro and you’ll arrive to Sete Lagoas,  a city whose name means ‘Seven Lagoons’ in Portuguese. Although cloistered in farmlands, the city is largely a commercial centre, but also the seat of Embrapa Milho e Sorgo, the nerve centre of EMBRAPA’s maize and sorghum research, and so could pass for the ‘sede’ (Portuguese for headquarters) of the these two cereals. EMBRAPA is the Portuguese acronym for Empresa Brasileira de Pesquisa Agropecuária; the Brazilian Agricultural Research Corporation. EMBRAPA is a GCP Consortium member, and contributed to the proposal that founded GCP.

Photo provided by J MagalhãesJurandir Magalhães (pictured), or Jura, as he likes to be referred to in informal settings such as our story today, is a cereal molecular geneticist who has been working at the Embrapa Milho e Sorgo centre since 2002. “The centre develops projects and research to produce, adapt and diffuse knowledge and technologies in maize and sorghum production by the efficient and rational use of natural resources,” Jura explains.

Such qualities are exactly what appeal to GCP, which has supported Jura as a Principal Investigator since 2004. Beyond science and on to governance and advisory issues, Jura is also EMBRAPA’s representative on the GCP Consortium Committee.

Home and away, on a journey of discovery in sorghum
Hailing from Belo Horizonte, Minas Gerais State, where he was born, Jura attended the Federal University of Viçosa in his home state. Upon completing his Master’s degree at the university in 1995, he proceeded to USA’s Cornell University in 1998 for his PhD, under the watchful eye of Leon Kochian, another GCP Principal Investigator.

Sorghum rainbow_A Borrell

No, it’s not photo-shopped. This Australian sorghum-and-double-rainbows shot is from Supa Snappa, Andy Borrell, also a GCP sorghum Principal Investigator. See http://bit.ly/1tBAOMW

At Cornell, Jura worked with Leon on identifying the genes associated with aluminium tolerance in sorghum. “At the time, genes associated with aluminium tolerance were known for cereals in the Triticeae family (wheat, barley and rye). But the same genes were not found in the Poaceae family (sorghum, rice and maize). This suggested that there were different aluminium-tolerance genes at play, so it was a really pioneering project.” Continuing with the Cornell team after his PhD, Jura worked with Leon to  map the location of a major aluminium-tolerance genetic ‘hotspot’ in sorghum, which the project team contracted to  AltSB  for short (aluminium-tolerance gene or locus in Sorghum bicolor). The mapping also marked the next chapter  of what was to be a long-term professional relationship for the pair.

Brazil beckons, joining GCP, leadership and enduring partnerships
But in between, Brazil broke in and beckoned her native son home. And so it was that in 2002, Jura packed his bags and accepted a position with EMBRAPA’s maize and sorghum research centre. And despite the geographical distance, it wasn’t long before he and Leon teamed up again. “When I left Cornell, Leon and I had finished mapping AltSB and we were keen to clone it so we could then develop aluminium-tolerant sorghum varieties more efficiently,” says Jura.

Two years after his return to Brazil,  Leon and Jura – in 2004 – submitted a joint proposal for a competitive grant for their first GCP project on aluminium tolerance in cereals, premised on AltSB. This project contributed to GCP’s foundation work on sorghum in this and other projects, the common goal being a bid to provide farmers in the developing world with sorghum crops that would be able to tolerate harsh soils. But the project contributed much more with a deep taproot in pre-history, as that which we today call ‘sorghum’, ‘maize’ and ‘rice’ were once one millions of ‘Jurassic’ years ago. More on that interesting side-story.

And since this first project, EMBRAPA and Cornell University have collaborated with several other research institutes around the world, particularly in Africa.

Left to right (foreground): Leon Kochian, Jurandir Magalhães (both EMBRAPA) and Sam Gudu (Moi University) examine crosses between Kenyan and Brazilian maize, at the Kenya Agricultural Research Institute (KARI), Kitale, in May 2010.

Left to right (foreground): Leon, Jura and Sam Gudu (Moi University) examine crosses between Kenyan and Brazilian maize, at the Kenya Agricultural Research Institute (KARI), Kitale, in May 2010.

Jura leads several EMBRAPA and GCP collaborative projects across three continents (Africa, Asia and the Americas). The partnerships forged by and through these projects go well beyond project life and frame, and will therefore continue after GCP’s sunset. Jura is both team leader and team player. And a couple of GCP projects in which Jura is part of the project team will run on in 2015 (see page 10), after GCP’s closure in December 2014.

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Peasant lad to leading professor: Paul and his passion for pods

 Africa, Chickpeas, Crop breeding, Legumes, Researchers  No Responses »
Jan 072015
 

Beyond chickpeas to embrace beans, chickpeas, groundnuts and pigeonpeas

Paul_w2As a scientist who comes from the dessicated drylands of the unforgiving Kerio Valley, where severe drought can mean loss of life through loss of food and animals, what comes first is food security… I could start to give something back to the community… It’s been a dream finally coming true.” – Paul Kimurto, Senior Lecturer and Professor in Crop Physiology and Breeding, Egerton University, Kenya

As a son of peasant farmers growing up in a humble home in the Rift Valley of Kenya, agriculture was, for Paul Kimurto (pictured above), not merely a vocation but a way of life: “Coming from a pastoral community, I used to take care of the cattle and other animals for my father. In my community livestock is key, as is farming of food crops such as maize, beans and finger millet.”

Covering some six kilometres each day by foot to bolster this invaluable home education with rural school, an affiliation and ever-blossoming passion for agriculture soon led him to Kenya’s Egerton University.

There, Paul excelled throughout his undergraduate course in Agricultural Sciences, and was thus hand-picked by his professors to proceed to a Master’s degree in Crop Sciences at the self-same university, before going on to obtain a German Academic Exchange Service (DAAD) scholarship to undertake a ‘sandwich’ PhD in Plant Physiology and Crop Breeding at Egerton University and the Leibniz Institute for AgriculturalEngineering (ATB) in Berlin, Germany.

… what comes first is food security… offering alternative drought-tolerant crops… is a dream finally coming true!…  GCP turned out to be one of the best and biggest relationships and collaborations we’ve had.”

Local action, global interaction
With his freshly minted PhD, Paul returned to Egerton’s faculty staff and steadily climbed the ranks to his current position as Professor and Senior Lecturer in Crop Physiology and Breeding at Egerton’s Crop Sciences Department. Yet for Paul, motivating this professional ascent throughout has been one fundamental factor:  “As a scientist who comes from a dryland area of Kerio valley, where severe drought can mean loss of food and animals, what comes first is food security,” Paul explains. “Throughout the course of my time at Egerton, as I began to understand how to develop and evaluate core crop varieties, I could start to give something back to the community, by offering alternative drought-tolerant crops like chickpeas, pigeonpeas, groundnuts and finger millet that provide farmers and their families with food security. It’s been a dream finally coming true.”

And thus one of academia’s true young-guns was forged: with an insatiable thirst for moving his discipline forward by seeking out innovative solutions to real problems on the ground, Paul focused on casting his net wide and enhancing manpower through effective collaborations, having already established fruitful working relationships with the International Maize and Wheat Improvement Center (CIMMYT), the (then) Kenya Agricultural Research Institute (KARI) and the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in earlier collaborative projects on dryland crops in Kenya. It was this strategy that paved the way towards teaming up with GCP, when, in 2008, Paul and his team were commissioned to lead the chickpea work in Kenya for the GCP Tropical Legumes I project (TLI), with local efforts being supported by colleagues at ICRISAT, and friends down the road at KARI undertaking the bean work of the project. Climbing aboard the GCP ship, Paul reveals, was a move worth making: “Our initial engagement with GCP started out as a small idea, but in fact, GCP turned out to be one of the best and biggest relationships and collaborations we’ve had.”

…GCP is people-oriented, and people-driven” 

Power to the people!
The success behind this happy marriage, Paul believes, is really quite simple: “The big difference with GCP is that it is people-oriented, and people-driven,” Paul observes, continuing: “GCP is building individuals: people with ideas become equipped to develop professionally.” Paul elaborates further: “I wasn’t very good at molecular breeding before, but now, my colleagues and I have been trained in molecular tools, genotyping, data management, and in the application of molecular tools in the improvement of chickpeas through GCP’s Integrated Breeding Multiyear Course. This has opened up opportunities for our local chickpea research community and beyond, which, without GCP’s support, would not have been possible for us as a developing-country institution.”

Inspecting maturity, Koibatek FTC, Bomet_R Mulwa_Sep'12_w

Inspecting pod maturity with farmers at Koibatek Farmers Training Centre in Eldama Ravine Division, Baringo County, Kenya, in September 2012. Paul is on the extreme right.

Passionate about his teaching and research work, it’s a journey of discovery Paul is excited to have shares with others: “My co-workers and PhD students have all benefitted. Technicians have been trained abroad. All my colleagues have a story to tell,” he says. And whilst these stories may range from examples of access to training, infrastructure or genomic resources, the common thread throughout is one of self-empowerment and the new-found ability to move forward as a team: “Thanks to our involvement with the GCP’s Genotyping Support Service, we now know how to send plant DNA to the some of the world’s best labs and to analyse the results, as well as to plan for the costs. With training in how to prepare the fields, and infrastructure such as irrigation systems and resources such as tablets, which help us to take data in the field more precisely, we are now generating accurate research results leading to high-quality data.”

The links we’ve established have been tremendous, and we think many of them should be long-lasting too: even without GCP“

Teamwork, international connections and science with a strong sense of mission
Teaming up with other like-minded colleagues from crème de la crème institutions worldwide has also been vital, he explains: “The links we’ve established have been tremendous, and we think many of them should be long-lasting too: even without GCP, we should be able to sustain collaboration with KBioscience [now LGC Genomics] or ICRISAT for example, for genotyping or analysing our data.” He holds similar views towards GCP’s Integrated Breeding Platform (IBP): “IBP is one of the ideas which we think, even after GCP’s exit in December 2014, will continue to support our breeding programmes. My colleagues and I consult IBP regularly for a range of aspects, from markers to protocols to germplasm and the helpdesk, as well as for contacts and content available via the IBP Communities of Practice.” Paul’s colleagues are Richard Mulwa, Alice Kosgei, Serah Songok, Moses Oyier, Paul Korir, Bernard Towett, Nancy Njogu and Lilian Samoei. Paul continues: “We’ve also been encouraging our regional partners to register on IBP – I believe colleagues across Eastern and Central Africa could benefit from this one-stop shop.”

Yet whilst talking animatedly about the greater sophistication and accuracy in his work granted as a result of new infrastructure and the wealth of molecular tools and techniques now available to him and his team, at no point do Paul’s attentions stray from the all-important bigger picture of food security and sustainable livelihoods for his local community: “When we started in 2008, chickpeas were known as a minor crop, with little economic value, and in the unfavoured cluster termed ‘orphan crops’ in research. Since intensifying our work on the crop through TLI, we have gradually seen chickpeas become, thanks to their relative resilience against drought, an important rotational crop after maize and wheat during the short rains in dry highlands of Rift valley and also in the harsh environments of the Kerio Valley and swathes of Eastern Kenya.”

This GCP-funded weather station is at Koibatek Farmers Training Centre, Longisa Division, Bomet County.

This GCP-funded weather station is at Koibatek Farmers Training Centre.

Having such a back-up in place can prove a vital lifeline to farmers, Paul explains, particularly during moments of crisis, citing the 2011–2012 outbreak of the maize lethal necrosis (MLN) disease which wiped out all the maize throughout Kenya’s  Bomet County, where Paul, Richard, Bernard and their team had been working on the chickpea reference set. Those farmers who had planted chickpeas – Paul recalls Toroto and Absalom as two such fortunate souls – were food-secure. Moreover, GCP support for infrastructure such as a weather station have helped farmers in Koibatek County to predict weather patterns and anticipate rainfall, whilst an irrigation system in the area is being used by the Kenyan Ministry of Agriculture to develop improved seed varieties and pasture for farmers.

The science behind the scenes and the resultant products are of course not to be underestimated: in collaboration with ICRISAT, Paul and his team released four drought-resistant chickpea varieties in Kenya in 2012, with the self-same collaboration leading to the integration of at least four varieties of the crop using marker-assisted backcrossing, one of which is in the final stages and soon to be released for field testing. With GCP having contributed to the recent sequencing of the chickpea genome, Paul and his colleagues are now looking to up their game by possibly moving into work on biotic stresses in the crop such as diseases, an ambitious step which Paul feels confident can be realised through effective collaboration, with potential contenders for the mission including ICRISAT (for molecular markers), Ethiopia and Spain (for germplasm) and researchers at the International Center for Agricultural Research in the Dry Areas (ICARDA) for germplasm. Paul first established contact with all of these partners during GCP meetings.

By coming together, pooling skills from biotechnology, agronomy, breeding, statistics and other disciplines, we are stronger as a unit and better equipped to offer solutions to African agriculture and to the current challenges we face.”

Links that flower, a roving eye, and the heat is on!
In the meantime, the fruits of other links established since joining the GCP family are already starting to blossom. For example, TLI products such as certified seeds of chickpea varieties being released in Kenya – and in particular the yet-to-be-released marker-assisted breeding chickpea lines which are currently under evaluation – caught the eye of George Birigwa, Senior Programme Officer at the Program for Africa’s Seed Systems (PASS) initiative of the Alliance for a Green Revolution in Africa (AGRA), which is now supporting the work being undertaken by Paul and his team through the Egerton Seed Unit and Variety Development Centre (of which Paul is currently Director) at the Agro-Based Science Park.

Yet whilst Paul’s love affair with chickpeas has evidently been going from strength to strength, he has also enjoyed a healthy courtship with research in other legumes: by engaging in a Pan-African Bean Research Alliance (PABRA) bean project coordinated by the International Center for Tropical Agriculture (CIAT), Paul and his team were able to release and commercialise three bean varieties which are currently in farmers’ fields in Kenya.

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Paul (left) in the field. The crop is chickpeas of course!

With so many pots on the boil, the heat is certainly on in Paul’s research kitchen, yet he continues to navigate such daily challenges with characteristic aplomb. As a proven leader of change in his community and a ‘ can-do, make-it-happen’ kind of guy, he is driving research forward to ensure that both his school and discipline remain fresh and relevant – and he’s taking his colleagues, students and local community along with him every step of  the way.

Indeed, rallying the troops for the greater good is an achievement he values dearly: “By coming together, pooling skills from biotechnology, agronomy, breeding, statistics and other disciplines, we are stronger as a unit and better equipped to offer solutions to African agriculture and to the current challenges we face,” he affirms. This is a crusade he has no plans to abandon any time soon, as revealed when quizzed on his future aspirations and career plans: “My aim is to continue nurturing my current achievements, and to work harder to improve my abilities and provide opportunities for my institution, colleagues, students, friends and people within the region.”

With the chickpea research community thriving, resulting in concrete food-security alternatives, we raise a toast to Paul Kimurto and his chickpea champions!

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An evergreen saga on stay-green sorghum: Africa meets Australia

 Africa, Crop breeding, Drought, Genetics, Genomics, Sorghum  No Responses »
Jan 022015
 

Friendship and trust at the heart of sorghum research

…benefits to humanity are the real driver of the work.”

Andy1_wAndrew Borrell (pictured) is a man who loves his work – a search for a holy grail of sorts for the grain of his choice – sorghum.

Based at the University of Queensland, Australia, Andrew is co-Principal Investigator with David Jordan for a GCP-funded project developing drought-adapted sorghum for Africa and Australia. And Andrew is passionate not just about the potential of sorghum, but also about the cross-continental relationships that underpin his research team. These friendships, says Andrew, are the glue that hold his team together and make it work better.

The year 2013 was particularly exciting. After almost five years working with African plant breeders to improve genetic material, field trials were up and running at 12 sites across East and West Africa.  Fastforward to 2015 and  glad tidings for the New Year! Andrew and his team now have preliminary evidence that the drought-tolerant ‘stay-green’ trait enhances grain size and yield  in some of the target countries in  Africa for which data have already been analysed.

What Andrew hopes to see is more genetic diversity, not just for diversity’s sake but put to use in farmers’ fields  to enhance yield during drought. This means more food, fodder and other sorghum by-products such as stems for construction. These benefits to humanity are, he says, the real driver of the work his team does.

So what are the wonders of ‘stay-green’? Waxing lyrical…

The sought-after  ‘stay-green’ trait that Andrew and his team are so interested in describes the phenotype – what the plant looks like. It simply means that when drought strikes, sorghum plants with this trait remain leafy and green during the grain-filling period – a critical time when the plant’s water is channelled to developing healthy panicles of grain.

So, what makes these plants remain healthy when others are losing their leaves? Why do they wax while others wane? The answer, says Andrew, is twofold, and is all to do with water supply and demand, and more and less. Firstly, there is some evidence that the roots of the stay-green plants penetrate deeper into the soil, tapping into more water supply. Secondly, plants with the stay-green trait have a smaller leaf canopy which means less water demand by the plant before flowering, leaving more water for grain-filling after flowering.

Staying power and stover are also part of the story. According to Andrew, “Plants with the stay-green trait produce more grain in dry conditions, have stronger stems so they don’t fall over, and often have larger grains. And it’s not just about grain alone: stay-green also improves the quality of the stover left in the field after harvest, which serves as animal feed.”

Another key feature of the stay-green trait in sorghum is that it is not just a fair-weather friend: it works well in wet as well as dry conditions. “All the evidence we’ve got suggests that you get a benefit under tough conditions but very little penalty under good conditions,” says Andrew.

…the process is synergistic and we do something that’s better than any of us could do alone.”

Safari from Down Under to Africa: East and West, and home are all best

For Andrew and his co-Principal Investigator, David Jordan, the GCP project is the first time they have been involved in improving sorghum in Africa. The two scientists work with sorghum improvement teams in six African countries: Mali, Burkina Faso and Niger in the west, and, Ethiopia, Kenya and Sudan in the east. By crossing African and Australian sorghum, the teams have developed the lines now being field-tested  in all the six countries.

A sampling of some of stay-green sorghum partnerships in Africa. (1) Asfaw Adugna assessing the genetic diversity of sorghum panicles produced from the GCP collaboration at Melkassa, Ethiopia. (2) Clarisse Barro-Kondombo (Burkina Faso) and Andrew Borrell (Australia) visiting a lysimeter facility in Hyderabad, India, as part of GCP training. (3) Clement Kamau (Kenya, left) and Andrew Borrell (Australia, right) visiting the seed store at the Kenya Agricultural Research Institute (KARI) in Katumani, Kenya.

A sampling of some of stay-green sorghum partnerships in Africa. (1) Asfaw Adugna (Ethiopian Agricultural Research Institute) assessing the genetic diversity of sorghum panicles produced from the GCP collaboration at Melkassa, Ethiopia. (2) Clarisse Barro-Kondombo (Institut de l’environnement et de recherches agricoles, Burkina Faso) and Andrew Borrell (Australia) visiting a lysimeter facility at ICRISAT in Hyderabad, India, as part of GCP training. (3) Clement Kamau (Kenya, left) and Andrew Borrell (Australia, right) visiting the seed store at the Kenya Agricultural Research Institute (KARI) in Katumani, Kenya.

According to Andrew, the collaboration with African scientists is “a bit like a group of friends using science to combat hunger. That’s probably been the biggest advantage of GCP,” adds Andrew. “Bringing people together for something we are all passionate about.”

There’s another collaborative element to the project too. As well as improving and testing plant material, the Australian contingent hosts African scientists on three-week training sessions. “We span a whole range of research topics and techniques,” explains Andrew. “We learn a lot from them too – their local expertise on soil, crops and climate. Hopefully the process is synergistic and we do something that’s better than any of us could do alone.”

Andrew says that working personally with plant breeders from Africa has made all the difference to the project. “Once colleagues from overseas come into your country, you develop real friendships. They know your families, they know what you do, and that’s very important in building relationships and trust that make the whole thing work.”

It wasn't all work and there was clearly also time to play, as we can see her., Sidi Coulibaly and Niaba Teme visiting with the Borrell family in Queensland, Australia.

It wasn’t all work and there was clearly also time to play, as we can see here, Sidi Coulibaly and Niaba Teme from Mali visit the Borrell family in Queensland, Australia.

Golden sunsets, iridescent rainbows and perpetual evergreen partnerships

As Andrew and his team wait to see how their field experiments in Africa turn out, they know that this is not the end of the story. In fact, it is only the beginning. Once tested, the germplasm will provide genetic diversity for future breeding programmes in Africa.

And the research collaboration between Australia and Africa won’t end when GCP funding runs out and GCP sunsets. For example, in addition to the GCP project, David Jordan has secured significant funding from the Bill & Melinda Gates Foundation for another four years’ sorghum research in Ethiopia. Plus, Andrew and Kassahun Banttea, a colleague from Jimma University, have also just been awarded a PEARL grant from the Foundation to assess the sorghum germplasm collection in Ethiopia for drought-adaptation traits.

We wish this ‘stay-evergreen’ team well in their current and future ventures. More sorghum ‘stickability’ and staying power to them! May they find the proverbial pot of gold at the end of the rainbow.

This enchanted rainbow-rings-and-sorghum photo is from Andy Borrell, and, contrary to the magical song, please continue under the rainbow for links to more information.

Sorghum rainbow_A Borrello

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