水稻种衣剂禾盛3号应用效果初探

A Preliminary Study on Effects of Seed Coating Drug “Hesheng 3” on Rice

水稻种衣剂禾盛 3号包衣后对种子室内发芽率有一定的抑制作用 ,浓度越大 ,发芽率降低越多 ,对秧苗素质和收获产量有一定的促进作用 ,特别是对苗期稻蓟马危害的防治 ,效果明显 ,达 79.7%～ 95 .8% ,使用浓度以药种质量比 1∶5 0或 1∶2

The result indicates“Hesheng 3',a seed coating drug, reduces gemination rate of rice seed in laboratory to some extent,and the higher the drug concentration is,the more the germination rate reduced.However,it may promote seedling and yield to a certain degree, and prevent and cure seedling thrips by 79.5%? ?5.8% .The best control effect may be obtained at a weight ratio 1∶50 for the drug to rice seed.