论文部分内容阅读
稻瘿蚊是广东省七十年代以来水稻最重要的害虫之一,发生复杂、世代重叠、为害严重、防治困难。华南农业大学昆虫毒理研究室经多年的试验研究,总结出用3%呋喃丹颗粒剂,每亩4—6斤,在早、晚稻最后一次中耕前进行根区施药,随后中耕耘田(药前排干田水,以后1周内不灌水)或在晚造秧田整地时,亩施6斤呋喃丹颗粒,混入泥层中再播种,均能有效地防治稻瘿蚊的为害。这一技术措施已在广东省东莞县、增城县等大面积推广应用。现将1985年,我们与新会县古井区农技
Rice gall midge is one of the most important pests of rice in Guangdong Province since the seventies. It has complicated occurrence, overlapping generations, serious damage and prevention and treatment difficulties. South China Agricultural University, Institute of Entomology and Toxins Toxicology Laboratory after years of research, concluded that with 3% carbofuran granules, 4-6 kg per mu, in the early and late rice before the last cultivating root zone pesticide application, then cultivated Yun Tian Medicine field dry field water, after 1 week without irrigation) or late seedling preparation, Mushi 6 kg carbofuran granules, mixed into the mud layer and then sowing, can effectively control the damage of rice gall midge. This technical measure has been widely applied in Dongguan, Zengcheng, Guangdong and other large cities. Now 1985, we and Xinhui Gujing District Agricultural Technology