Fuzzy comprehensive decision-making for resistance of wheat varieties to Macrosiphum avenae

Abstract

Abstract: The resistance indexes of 50 wheat varieties to Macrosiphum avenae were applied to carry out the fuzzy statistical regression analysis. The fuzzy subordinate function of such resistance indexes as the quantity of aphid natural infection to wheat varieties, the accumulated rate of aphid survivals, the period of average development, the reproduction rate, the intrinsic increase rate(r_m) and the harm-resistance of wheat varieties were set up, and the fuzzy comprehensive decision making models of resistance were established. The result indicates that fuzzy comprehensive decision model Vhad a high precision and much information holding.

Key words: Wheat varieties, Resistance, Fuzzy comprehensive decision, Macrosiphum avenae

Hou Youming, Shen Baocheng. Fuzzy comprehensive decision-making for resistance of wheat varieties to Macrosiphum avenae[J]. Chinese Journal of Applied Ecology, 1998, 9(3): 273-276.

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Fuzzy comprehensive decision-making for resistance of wheat varieties to Macrosiphum avenae

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