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Techniques to Screen Sorghums for Resistance to Insect Pests

Submitted by Fatima Abedi on Mon, 26/10/2009 - 15:09
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Authors: 
Sharma, H.C.; Taneja, S.L. ; Leuschner, K. ; Nwanze, K.F.(Affl: Int. Crops Res. Inst. for the Semi-Arid Tropics, Patancheru, A.P. 502324, India )
Book
Publication Year: 
1992
Publisher Details: 
International Crops Research Institute for the Semi-Arid Tropics ; Patancheru 502324, Andhra Pradesh, India
ISBN: 
92-9066-213-1
Report/Series/Bulletin Name: 
Techniques to screen sorghums for resistance to insect pests. / Sharma, H.C.
Report/series/Bulletin Number: 
1

 

Citation: Sharma, H.C., Taneja, S.L., Leuschner, K., and Nwanze, K.F. 1992. Techniques to screen sorghums for resistance to insect pests. Information Bulletin no. 32. Patancheru. A.P. 502 324, India : International Crops Research Institute for the Semi-Arid Tropics. 48 pp. 28 references. Keywords: Sorghum bicolor, screening techniques, insects, shoot fly, stem borer, midge, head bugs, resistance. ISBN 92-9066-213-1.Sorghum (Sorghum bicolor (L.) Moench] is one of the most important cereal crops in the semi-arid tropics. Grain yields on peasant farms are generally low, insect pests being one of the major factors limiting production. There are over 150 species which damage sorghum crops, of which sorghum shoot fly (Atherigona soccata), spotted stem borer (Chilopartellus), sorghum midge (Contarinia sorghicola), and head bugs (Calocoris angustatus and Eurtystylus immaculatus) are the major pests worldwide. This bulletin describes techniques to screen for resistance under choice (field) and no-choice (cage) conditions, methods of evaluating insect damage, and the sources of resistance to the major pests.
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