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花生叶斑病是一种真菌性病害。对产量影响很大,花生受害一般减产10—20％,重者30％以上。自1974年以来,防治面积逐年扩大。1981年全县防治面积达33.44万亩,占播种面积的95%。据八年来的试验统计,药剂防治比不防治平均亩增荚果82斤,平均增产17.8％。几年来,为了更好地控制为害,我们对该病进行了较系统的观察和防治试验,初步摸清了花生叶斑病在我县的发生
Peanut leaf spot is a fungal disease. Great impact on the yield, peanut damage generally reduced by 10-20%, severe cases of more than 30%. Since 1974, the area of prevention and control has been expanding year by year. In 1981, the county’s prevention and control area reached 33.44 million mu, accounting for 95% of the sown area. According to the experimental statistics over the past eight years, the average rate of 82 kilograms of pods per hectare of pesticides compared with the non-control of pesticides has increased by 17.8% on average. Over the past few years, in order to better control the damage, we conducted a more systematic observation and prevention and control of the disease, preliminary find out the occurrence of peanut leaf spot in our county