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我市处于冀中平原,土壤、降雨、气温、光热等条件都适合花生生长,1987年统计我市花生种植面积达17万亩,被列为河北省花生商品出口生产基地县(市)之一。进入70年代中期后,花生病毒病危害日趋严重,1986年全市17万亩花生病毒病大流行,减产10—30%,成为花生生产的重要限制因素。为分析花生病毒病流行原因,我们分别统计了建国后(1949—
The city is in the plains of Jizhong, soil, rainfall, temperature, light and heat and other conditions are suitable for peanut growth in 1987, the city planted peanut acreage of 17 acres, was listed as Hebei Province, peanut products export production base counties (cities) one. Since the mid-1970s, peanut virus disease has become more and more serious. In 1986, the city’s 17 million mu peanut virus disease pandemic dropped by 10-30%, becoming an important limiting factor for peanut production. In order to analyze the causes of the epidemic of peanut virus, we separately calculated the incidence of peanut virus (1949-