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Gene complementarity among various sources of resistance to greenbug biotype E was assessed. Analysis of the F2 generation of crosses between susceptible and resistant parents (mating 1) and among sources of resistance (mating 2) suggested that resistance in sorghum to greenbug biotype E was comp...


Dixon, Alfred G.O.Bramel-Cox, P.J.Harvet, T.L.[Complementarity of genes for resistance to greenbug [Schizaphis graminum (Rondani)], biotype E, in sorghum [Sorghum bicolor (L.) Moench]]Complementarity of genes for resistance to greenbug [Schizaphis graminum (Rondani)], biotype E, in sorghum [Sorghum bicolor (L.) Moench]

Electronic insect-feeding monitors are increasingly being used to study the feeding behavior of piercing-sucking insects in relation to host resistance and biotypes. The original AC design has been modified several times to simplify and expand the signal generator and signal processor. We report ...


Noyes, S.Margolies, D.C.Reese, J.C.Dixon, A.Bramel-Cox, P.J.[Computer acquisition and analysis of insect feeding monitor data]Computer acquisition and analysis of insect feeding monitor data

Cassava has long been expected to play a key role in rural economic growth in Africa, but has it happened yet? Although research partnerships have produced elite cassava varieties with 50% more yield potential and have demonstrated technologies to improve processing and increase marketing of cass...


James, B.D.Bramel-Cox, P.J.Witte, E.R.Asiedu, RobertWatson, D.Okechukwu, R.U.[Unleashing the power of cassava in Africa…are we there yet?]Unleashing the power of cassava in Africa…are we there yet?

For more than 30 years, the international community has been assisting Ethiopia in recovering from recurring disasters. A continual need for emergency agricultural assistance as a response to droughts, conflict snd famine has led many to question the effectiveness and sustainability of the curren...


Bramel-Cox, P.J.Nagoda, S.Haugen, J.M.Adugna, D.Dejene, T.Bekele, T.Traedal, L.T.[Relief seed assistance in Ethiopia]Relief seed assistance in Ethiopia

Seed is one of the main inputs in all cropping systems. Farmers take utmost care in seed selection as poor quality seed material can result in poor harvests and even crop loss. Seed systems can be classified as farmer and formal seed systems. In the target areas in north coastal Andhra Pradesh, p...


Bramel-Cox, P.J.Kiran, S.Reddy, U.Varaprasad, K.S.Chandra, S.[Farmer seed systems for pigeonpea in coastal Andhra Pradesh]Farmer seed systems for pigeonpea in coastal Andhra Pradesh

Zimbabwe has been a recipient of food or seed aid since the 1990/91 drought, considered one of the worst in 100 years. At present, as in the past, interventions aimed at agricultural rehabilitation and recovery have focused on direct seed distribution ("seeds and tools"). While these intervention...


Bramel-Cox, P.J.Remington, T.Nagoda, S.Haugen, J.Sperling, L.[Relief seed assistance in Zimbabwe]Relief seed assistance in Zimbabwe

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