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Because of IITA's interest in cassava utilization by humans and livestock, selection for acyanogenesis will be an important objective of the cassava-breeding program. Selection for acyanogenesis will be based on finding cassava lines that lack the glucoside, glucosidase, and/or the glucoside and ...

A cause de l'interet que porte I'IITA a l'utilisation du manioc par I'homme et Ie betail, un objectif important de son programme de recherche sur la genetique du manioc visera a la selection de plants pour leur acyogenese. A cette fin, on tentera de decourvrir des Iignees de manioc depourvues de ...


Sadik, S.Hahn, S.K.[Cyanide toxicity and cassava research at the International Institute of Tropical Agriculture, Ibadan, Nigeria]Cyanide toxicity and cassava research at the International Institute of Tropical Agriculture, Ibadan, Nigeria
Hahn, S.K.Howland, A.K.[Breeding for resistance to cassava mosaic: Conference Conference Proceedings of Cassava Mosaic Workshop, International Institute of Tropical Agriculture, Ibadan, Nigeria, 11-12 December, 1972]Breeding for resistance to cassava mosaic: Conference Conference Proceedings of Cassava Mosaic Workshop, International Institute of Tropical Agriculture, Ibadan, Nigeria, 11-12 December, 1972

The cassava diseases of major economic importance in Africa are cassava mosaic, bacterial blight, and anthracnose, and the major cassava pests are cassava mealybug and green spider mite. Methods of screening cassava breeding material for resistance to the diseases and pests in the light of factor...

En Afrique, les maladies et ennemis du manioc d'une grande imponance economique sontrespectivement la br0lure bacterienne, I'anthracnose et la mosai,que dans le premiercas et la cochenilledans le second. Des discussions ont eu lieu sur des m6thodes de s6lection du materiel genetique demanioc i la...


Hahn, S.K.Caveness, F.E.Terry, Eugene R.Terry, Eugene R.Oduro, K.A.Leuschner, K.Singh, T.P.[Cassava improvement strategies for resistance to major economic diseases and pests in Africa]Cassava improvement strategies for resistance to major economic diseases and pests in Africa

The response of yam (Dioscorea) cultivars to artificial and natural infections with minisett rot pathogens was investigated. None of the 20 yam cultivars were resistant to Sclerotium rolfsii [Corticium rolfsii] or Trichoderma longibrachyatum. Cultivars TDa 84/093, 85/236, 85/257, TDr 608, 745, 81...


Osai, E.O.Ikotun, T.Asiedu, RobertHahn, S.K.[Susceptibility of yam cultivars to minisett rot pathogens]Susceptibility of yam cultivars to minisett rot pathogens
Autor: Hahn, S.K.

Diverses es peces d'ignames sont cultlvees da ns la "zone de civilisation de l'igname" en Afriq ue oeci dentale. Que ce soit au champ ou en entrepot, l'igname est exposee a des maladies provoquees par des virus, bacteries, champignons et nematodes. II est possible de lutter contre ces maladies gr...


Hahn, S.K.[Lutte contre les maladies de ligname: Guide de recherche de lIita, No. 39]Lutte contre les maladies de ligname: Guide de recherche de lIita, No. 39

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