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Paper

Written Paper

Multiple disease and insect resistance for increased yield stability in rice  [1989]

Khush, G.S. (International Rice Research Inst., Los Banos, Laguna (Philippines). Plant Breeding Dept.)

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Numerous diseases and insects that attack rice, and crops are more vulnerable now to attacks because of better management practices and reduced genetic variability. Several epidemic outbreaks of diseases and insects have occurred in different parts of the rice-growing world during the last 20 yr. To combat disease and insect problems, many breeding programs emphasize the development of varieties with multiple resistance. Sources of resistance have been identified and breeding methodologies have been refined and many varieties with multiple resistance are widely grown. Their greater yield stability has helped stabilize rice production at higher levels than ever before.