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Gildemacher, P.R.Schulte-Geldermann, ElmarBorus, D.Demo, P.Kinyae, P.Mundia, P.Struik, Paul C.[Seed potato quality improvement through positive selection by smallholder farmers in Kenya.]Seed potato quality improvement through positive selection by smallholder farmers in Kenya.

Schulte-Geldermann, ElmarGildemacher, P.Struik, Paul C.[Improving seed health and seed performance by positive selection in three kenyan potato varieties.]Improving seed health and seed performance by positive selection in three kenyan potato varieties.
Bertschinger, L.Bühler, L.Dupuis, B.Gessler, C.Forbes, G.Keller, E.R.Scheidegger, Urs C.Struik, Paul C.[Incomplete Infection of Secondarily Infected Potato Plants – an Environment Dependent Underestimated Mechanism in Plant Virology.]Incomplete Infection of Secondarily Infected Potato Plants – an Environment Dependent Underestimated Mechanism in Plant Virology.

Effective management of potato diseases such as bacterial wilt and late blight depends to a large extent on farmers’ knowledge of the diseases as well as on the integration of recommended management methods in their daily practices. Late blight has continued to be a dominant potato disease for ma...


Tafesse, S.Damtew, EliasMierlo, B. vanLie, R.Lemaga, B.Sharma, K.Leeuwis, C.Struik, Paul C.[Farmers' knowledge and practices of potato disease management in Ethiopia]Farmers' knowledge and practices of potato disease management in Ethiopia

Many Nigerian farmers depend for their seed on seed-producing farmers, the so-called informal Seed System (SS), but seed quality of the SS is unknown. Farmers planting low quality seed risk poor field emergence and low plant vigour as a result of low physiological quality or infection with seed-b...


Biemond, P.C.Oguntade, O.Stomph, T.Kumar, P.L.Termorshuizen, A.J.Struik, Paul C.[Health of farmersaved maize seed in northeast Nigeria]Health of farmersaved maize seed in northeast Nigeria

Most smallholder farmers in developing countries depend on an informal Seed System (SS) for their seed. The informal SS is often criticized because farmer-produced seed samples are not tested for seed health, thus accepting the risk of planting infected seeds. Here we aimed at assessing the quali...


Biemond, P.C.Oguntade, O.Kumar, P.L.Stomph, T.Termorshuizen, A.J.Struik, Paul C.[Does the informal seed system threaten cowpea seed health?]Does the informal seed system threaten cowpea seed health?

Cassava is one of the most important annual crops in Southeast Asia, and faces increasing seed borne pest and disease pressures. Despite this, cassava seed systems have received scant research attention. In a first analysis of Vietnamese and Cambodian cassava seed systems, we characterized existi...


Delaquis, ErikAndersen, Kelsey F.Minato, NamiThuy, Cu Thi LeKarssenberg, Maria EleanorSok, SophearithWyckhuys, Kris A.G.Newby, Jonathan C.Burra, Dharani DharSrean, PaoPhirun, IvLe, Niem DucPham, Nhan ThiGarrett, Karen A.Almekinders, Conny J.M.Struik, Paul C.Haan, Stefan de[Raising the Stakes: Cassava Seed Networks at Multiple Scales in Cambodia and Vietnam]Raising the Stakes: Cassava Seed Networks at Multiple Scales in Cambodia and Vietnam
Khoury, Colin K.Heider, B.Castañeda-Álvarez, Nora P.Achicanoy, Harold A.E.Sosa, Chrystian C.Miller, R.E.Scotland, Robert W.Wood, J.R.I.Rossel, G.Eserman, Lauren A.Jarret, Robert L.Yencho, G.C.Bernau, V.Juaraz, H.Sotelo, S.Haan, Stef deStruik, Paul C.[Distributions, ex situ conservation priorities, and genetic resource potential of crop wild relatives of sweetpotato [Ipomoea batatas (L.) Lam., I. series Batatas]]Distributions, ex situ conservation priorities, and genetic resource potential of crop wild relatives of sweetpotato [Ipomoea batatas (L.) Lam., I. series Batatas]

A diversity panel comprising of 296 indica rice genotypes was phenotyped under non-stress and water-deficit stress conditions during the reproductive stage in the 2013 and 2014 dry seasons (DSs) at IRRI, Philippines. We investigated the genotypic variability for grain yield, yield components, and...


Kadam, Niteen N.Struik, Paul C.Rebolledo, María CamilaYin, XinyouJagadish, Krishna S.V.[Genome-wide association reveals novel genomic loci controlling rice grain yield and its component traits under water-deficit stress during the reproductive stage]Genome-wide association reveals novel genomic loci controlling rice grain yield and its component traits under water-deficit stress during the reproductive stage
Cruz García, Gisella S.Struik, Paul C.Johnson, David E.[Wild harvest: distribution and diversity of wild food plants in rice ecosystems of Northeast Thailand]Wild harvest: distribution and diversity of wild food plants in rice ecosystems of Northeast Thailand

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