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近年来花生蛴螬在我县危害逐年加重,为了筛选对路农药,控制蛴螬对花生的危害,我们于1985年搞了应用40％毒死蜱乳油拌种和中期施颗粒剂试验。 一、试验方法 试验设在扣庄乡扣庄村,土壤为轻壤土,肥力水平较高,历年种植花生,蛴螬危害较为严重,主要虫种为毛黄、暗黑和大黑,播种前每平方米有幼虫1头,成虫2头。播前亩施土杂肥6000斤,复合肥20斤,于5月7日播种,露地种植,亩密度8300墩,中期施药在7月13日,本试验在同一块地分设两个小试验。
In recent years, the harm of peanut 蛴 逐 in our county has increased year by year. In order to screen the pesticides on the road and control the harm of 蛴 螬 on peanuts, we conducted the experiment of applying 40% chlorpyrifos emulsified seed oil and medium-term applied granules in 1985. First, the test method Test buckle Zhuang Township buckle Zhuang village, the soil is light loam, high fertility levels, perennial planting perennials, catfish more serious harm, the main pest species are yellow, dark and black, before planting per square meter of 1 larvae, 2 adult worms. Before planting sowing miscellaneous fertilizer fertilizer 6,000 pounds, 20 pounds of compound fertilizer, sown on May 7, open field planting, density of 8300 acres of piers, medium-term application on July 13, the test set in the same piece of two small trials .