Article,

Gene Pyramiding For Biotic Stress Tolerance In Crop Plants

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Weekly Science Research Journal, (December 2013)

Abstract

Yield and quality are central to sustainable crop production. Due to biotic stress, yield loss upto 52 per cent. Chemical control of insect and disease is not feasible for environments and economical not viable. Host plant resistance is the only safe, economical, and environment friendly way for the absolute control of this devastating pest and disease. Historically, long-term cultivation of varieties carrying single resistance gene has resulted in a significant shift in pathogen or insect race frequency and consequent breakdown of resistance. One tangible solution to resistance breakdown is pyramiding of multiple resistance genes in the back-ground of modern high yielding varieties. Gene pyramiding aims to assemble multiple desirable genes into a single genotype.

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