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核桃举肢蛾是商洛地区普遍发生的一种果实害虫。据1974年在洛南县四皓公社调查,挂果树9109株中24.9％有黑果,被害果达16075斤,占总产量54476斤的29.5％,其中绝大多数为举肢蛾危害,为了摸索大面积防治技术,四皓公社科研室和西北农学院林学系75级部分工农兵学员,于1975年3—10月,在四皓公社进行了观察和防治,较1974年少损失核桃7851斤,增加收入2385元。
Walnut Ligustrum is a fruit pest commonly occurring in Shangluo area. According to a survey conducted in Sihao Commune of Luonan County in 1974, 24.9% of the fruit trees with 9109 strains of fruit trees had black fruits, and the number of victims reached 16,075 kg, accounting for 29.5% of the total output of 54,476 kg, most of which were the hazards of Limb moths. Large area of prevention and control technology, Sihao commune and Northwest Agricultural College Department of Forestry, 75, part of the workers, peasants and soldiers, from March to October 1975, in Sihao commune was observed and control, compared with 1974 less loss of walnut 7851 pounds, an increase Income 2385 yuan.