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近几年来,稻粒黑粉病在杂交水稻的繁殖与制种上严重发生,成为提高杂交水稻繁殖制种单产和种子质量的障碍因子。为了探索防治黑粉病的有效途径,我公司于1985年进行了黑粉病的药剂防治试验。一、试验材料供试组合为秋制威优6号。供试药剂是50%的多菌灵可湿性粉剂800倍液,50%的托布津可湿性粉剂1000倍液,40%的克瘟散乳剂1000倍液,
In recent years, rice grain powdery mildew occurred seriously on the propagation and seed production of hybrid rice, and became the obstacle factor to improve yield and quality of hybrid rice. In order to explore effective ways to prevent and control smut, our company carried out in 1989, smut control agents. First, the test materials for the test combination of autumn Wei system on the 6th. Test agents are 50% of the carbendazim WP 800 times, 50% of Topotecan WP 1000 times, 40% of grams of blast powder dispersions 1000 times,