Linfen Wheat Pests And Diseases Species Survey And Prevention Research

Wheat is the second largest grain crops in China, its acreage and production is second only to rice, therefore the yield, quality and efficiency of wheat play the important role in the production of grain crops obviously. In the wheat production management, quality of pest control directly affects the wheat production, quality and efficiency. Linfen City is the major wheat producing areas in Shanxi Province. From 2012 to 2014. the species of pests that occur on wheat in Linfen City, conducted a survey of the extent of damage for the climate and geographical features of Linfen City. The insect-resistant varieties of wheat screening results showed that:Linfen City wheat pests are 18 kinds,11 kinds of species of natural enemies, there are 12 kinds of wheat diseases. Which wheat pests are aphids harm heavier, wheat midge, wheat spiders, etc., to the occurrence of aphids is particularly serious. The jointing stage of wheat is sheath blight, wheat take-all disease, powdery mildew infection peak period.In the Linfen City aphids, midge, powdery mildew, rust and other centralized high incidence of occurrence. Field surveys show that there were three kinds aphid resistance better wheat varieties:长 4738, Z0710 and Z083 in 10 wheat varieties which were tested in.