GrainGenes Reference Report: GCE-46-107
Reference
GCE-46-107
Title
First source of resistance in durum wheat to Hessian fly (Diptera : Cecidomyiidae) in Morocco.
Journal
Genetic Resources and Crop Evolution
Year
1999
Volume
46
Pages
107-109
Author
El-Bouhssini E
[ Show all 6 ]
Abstract
Hessian fly, Mayetiola destructor (Say), is the major pest of wheat in North Africa. In Morocco, durum wheat (Triticum turgidum L. subsp. durum (Desf). Husn.) losses due to this pest have been estimated at 32%. Genetic resistance is the only economical and practical means of controlling this insect. Field and greenhouse screening of durum wheat genotypes resulted in the identification of one source of resistance to Hessian fly in Morocco. This is the first source of durum wheat Hessian fly-resistance identified in Morocco. This source of resistance expresses a medium level of antibiosis against first-instar Hessian fly larvae; about 25% of the larvae survive on resistant plants. The deployment of varieties that allow for larval survival on resistant plants should reduce selection for biotype development. This source of resistance is being used by CIMMYT/ICARDA and Moroccan breeders to develop resistant durum wheat varieties.
External Databases
Agricola: 2013-50660
Keyword
[ Hide all but 1 of 10 ] antibiosis genetic resistance insect control larvae mayetiola destructor morocco pest resistance plant genetic resources survival triticum durum
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GrainGenes Reference Report: GCE-46-107
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||