论文部分内容阅读
稻飞虱是以成虫、若虫群集于稻丛基部吸食为害,每年都造成了严重的粮食损失。为寻求一种高效、低毒、安全的新农药,1991年特进行本试验。在龙松村洋面田的早稻汕优64、威优77上,于第二代稻飞虱若虫盛发期(6月13日)进行了3种药剂处理:①25%扑虱灵可湿性粉剂,亩用量25克,加水60公斤;②6%叶蝉散粉剂,亩用量1公斤,拌细砂20公斤;③50%甲胺磷乳油,亩用量0.15公斤,加水60公斤;④对照。
Planthoppers are adults, nymphs clustered in the basal paddy rice abuse, causing serious food losses every year. In order to seek a new pesticide with high efficiency, low toxicity and safety, this experiment was carried out in 1991. In the Longsongcun Yangmiantian early rice Shanyou 64, Weiyou 77, in the second generation of planthopper nymph Sheng period (June 13) carried out three kinds of pharmaceutical treatment: ① 25% buprofezin WP, Mu amount of 25 grams, add water 60 kilograms; ② 6% leaves cicada loose powder, mu amount of 1 kg, with fine sand 20 kg; ③ 50% methamidophos, mu amount 0.15 kg, add water 60 kg;