A method on resistance evaluation of wheat varieties to sitodiplosis mosellana
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DOI:10.7606/j.issn.1000-7601.2006.06.10
Key Words: wheat variety  sitodiplosis mosellana  resistance evaluation  clustering analysis
Author NameAffiliation
CHENG Wei-ning Key Laboratory of Plant Protection Resources and Pest Management Ministry of Education College of Plant Protection Northwest A&F University,Yangling,Shaanxi 712100,China 
LI Xiu-lian Key Laboratory of Plant Protection Resources and Pest Management Ministry of Education College of Plant Protection Northwest A&F University,Yangling,Shaanxi 712100,China 
WU Jun-xiang Key Laboratory of Plant Protection Resources and Pest Management Ministry of Education College of Plant Protection Northwest A&F University,Yangling,Shaanxi 712100,China 
LI Jian-jun Key Laboratory of Plant Protection Resources and Pest Management Ministry of Education College of Plant Protection Northwest A&F University,Yangling,Shaanxi 712100,China 
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Abstract:
      In order to carry out integrated management of the wheat blossom midge resistance indicator definition of wheat variety to the wheat blossom midge are the basic works in selecting and breeding resistant wheat varieties.This paper analyzed resistance identification results of wheat varieties to Sitodiplosis mosellana by using percent of grains injured loss rate of fields harm index resistance index relative index and cluster analysis as the resistance indicator.The results showed that identification result of cluster analysis with indicator of percent of grains injured percent of ears injured loss rate of fields and insect numbers of single ear was closest to the fact on the basis of the susceptible wheat varieties Xiaoyan6as control.It is suggested that the method of cluster analysis should be used in the resistance evaluation of wheat varieties to Sitodiplosis mosellana.