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Book 1992

Autor: Umeh, E.D.N. Ukwungwu, M.N. Joshi, R.

La eecidomyie afrieaine des galles du riz (Orseolia oryzivora Hllrris & Gagne) est un insecte ravageur du riz dont la population a recemment eonnu une veritable explosion dans bon nombre de pays Afriellins, L'infestation peut provoquer la perte totale de la reeolte. Plusieurs agents naturels de l...

Enlace original: https://cgspace.cgiar.org/handle/10568/98750

Investigación en Agricultura
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Umeh, E.D.N. ,  Ukwungwu, M.N. ,  Joshi, R. ,  [Lutte biologique naturelle contre la cecidomyie africaine du riz au Nigeria: guide de recherche de lIita, No. 37] ,  Lutte biologique naturelle contre la cecidomyie africaine du riz au Nigeria: guide de recherche de lIita, No. 37
Journal Article 1992

Autor: Ukwungwu, M.N. Joshi, R.C.

The African rice gall midge, Orseolia oryzivora Harris and Gagné has become one of the major biotic constraints to rice production in Nigeria. A survey of gall midge distribution in Nigeria showed that the pest was common in the savannah and forest zones on rice grown under lowland ecologies. End...

Enlace original: https://cgspace.cgiar.org/handle/10568/100035

Investigación en Agricultura
Enlace permanente
Ukwungwu, M.N. ,  Joshi, R.C. ,  [Distribution of the African rice gall midge, Orseolia oryzivora Harris and Gagne and its parasitoids in Nigeria] ,  Distribution of the African rice gall midge, Orseolia oryzivora Harris and Gagne and its parasitoids in Nigeria
Book 1991

Autor: Umeh, E.D.N. Joshi, R. Ukwungwu, M.N.

The African rice gall midge (ARGM), Orseolia oryzivora Harris & Gagne, has recently emerged as an important insect pest of rice in many African countries. Infestation can result in total crop failure. Naturally occurring biological control agents have been identified in Nigeria that can reduce AR...

Enlace original: https://cgspace.cgiar.org/handle/10568/98763

Investigación en Agricultura
Enlace permanente

Umeh, E.D.N. ,  Joshi, R. ,  Ukwungwu, M.N. ,  [Natural biological control of African rice gall midge in Nigeria: IITA research guide, No. 37] ,  Natural biological control of African rice gall midge in Nigeria: IITA research guide, No. 37

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