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Comparison of Field Population Growths of Three Cereal Aphid Species on Winter Wheat
Metopolophium dirhodum Rhopalosiphum padi Sitobion avenae population dynamic pest monitoring winter wheat
2015/1/30
Population growths of three aphid species colonising winter wheat stands, Metopolophium dirhodum, Rhopalosiphum padi and Sitobion avenae, were analysed by regression method. The calculations were base...
VARIETAL RESISTANCE AGAINST JASSID, AMRASCA DEVASTANS DIST. IN COTTON AND ROLE OF ABIOTIC FACTORS IN POPULATION FLUCTUATION
Gossypium hirsutum genotypes Amrasca pest resistance Pakistan
2009/9/30
Seven genotypes of cotton viz. BH-124, BH-121, BH-125, BH-147, SLH-257, SLH-244
and NIAB-98 were studied for resistance/susceptibility against jassid (Amrasca
devastans Dist.) during 2002. BH-125 sh...