According to the survey of related observationprediction regional station, recently bemisia tabaci appears commonly, adult increases quickly,some vegetable fieldscotton fields have much more bemisia tabacis.
According to a survey, now our summer potato varieties mainly include Favorita, Long potato, Green potato, Jin potato, Kexin, Xindaping, Zhuang Potato, Jizhang potato, Atlantic, Dutch potato, etc, among which about 60 is weakdisease-resistance; potatoesth
According to the forecast of national agricultural technology promotion center, crop diseasesinsect pests show a serious trend over the country2012 with an infectious area of 5.5 billion mu increasing by 4 compared with that of the same period last year.
According to the prediction of National Climate Centre,June the temperature was higher than ordinary yearsNorthwest China, North China, Northeast Chinaother main infectious regions of meadow moth,it rained more than ordinary yearsmost places of JilinLiaon
This year the second-generation armyworm happensa wide areathe numbers of high density fieldsresidual insects are largemany places; recently moth peak appearsNortheast China, North Chinaparts of huang-huai valleys; it rained muchthe east of Northeast Chin
