论文部分内容阅读
水稻恶苗病和干尖线虫病是以种子带菌,并以苗期为主要侵染时期的种传病害。稻苗感染发病后基本无药可治,最经济有效的办法是采取种子消毒处理,防治关键是选择好的种子处理剂和正确掌握其使用技术。根据近年来大面积推厂应用情况,水稻种子处理可选用25％使百克乳油,或10％浸种灵乳油,或18％稻种清可湿性粉剂。具体操作如下: 25％使百克乳油:杂交稻种用2000倍液浸种24小时,为保证效果,浸种时间不紧少于12小时;常规晚稻种子用3000倍液浸种48
Rice Bakanae disease and dried-tip nematode disease is carried by seed, and seedling disease as the main infection period. After the onset of infection of rice seedlings basically no cure, the most economical and effective way is to take seed disinfection, prevention and control of the key is to choose a good seed treatment agent and correctly grasp the use of technology. According to the application of a large area of pushing the plant in recent years, rice seed treatment can be made of 25% so that 100 grams of EC, or 10% soaking Ling EC, or 18% of rice seed WP. Specific operations are as follows: 25% so that 100 grams of EC: hybrid rice seed soaking with 2000 times for 24 hours, to ensure the effect of soaking time not less than 12 hours; conventional rice seeds soaked with 3000 times 48