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梨木虱是梨树上的重要害虫,因其对药剂易产生抗性,且自身的分泌物将虫体保护起来,历来是梨树虫害防治的难点。以往所应用的药剂不能有效地控制其为害。1996年5月,我们试用京蓬农药厂生产的低毒、高效硝基亚甲基类新型杀虫剂2.5％扑虱蚜可湿性粉剂,加多功能植物增效剂,取得了良好的防治效果。 试验在荣成市城西镇福禄山村晚三吉梨园进行。园地为丘陵梯田,沙壤土,树龄10年生,株行距3×4m,
Pear louse is an important pest on pears, because of its resistance to the drug easily, and its own secretions to protect parasites, pear pest control has always been the challenge. Pharmacology used in the past can not effectively control the damage. In May 1996, we experimented with 2.5% of the new type of insecticide with low toxicity and high efficiency, nitrobenzylidenephosphatidylcholine WP, and multi-functional botanical synergist produced by Jing Peng Pesticide Factory and achieved a good control effect . The experiment was carried out in the late Sanjiji orchards in Fululu Village, Chengxi Town, Rongcheng City. Garden for the hilly terraces, sandy loam, age 10 years, spacing of 3 × 4m,