THE EFFECTS OF WHEAT VARIETIES RESISTANT TO APHIDS ON THE PUPOLA TION OF SITOBIONAVENAE (FABRICIUS) AND PARASITIZATION AS WELL AS DEVELOPMENT OF ITS PARASITIC WASPAPHIDIUS AVENAE HALIDAY
Abstract:The population increase rates of Sitobion avenae (Fabricius) on three wheat varieties, namely, KOK-1679, LI and Xiaobaidongmai, mainly possessing nonpreference resistance to wheat aphids were much more reduced than that on susceptible wheat variety, but t