小麦腥黑穗病在毕节地区每年发生都在40万亩左右,约占小麦播种面积的50％,产量损失约180万斤以上。历来采取汞制剂处理种子,效果虽好,但残毒高,对人畜不安全。为寻求经济有效,防止污染,对人畜安全,我们试用“769”抗生素等药剂防治试验。在大方县归化公社归化大队进行,供试品种华麦5号,播前用腥黑穗菌粉接种于小麦种子上。以“769”干料的25倍浸出液闷种4小时,以3％生石灰水浸种两昼夜, Wheat blight occurs annually in Bijie Prefecture about 40 million mu, accounting for about 50% of the sown area of ​​wheat, yield loss of about 180 million pounds or more. Historically, mercury preparations have been used to treat the seeds, although the effect is good, but the residue is high and unsafe to humans and animals. In order to seek economic and effective, prevent pollution, the safety of people and livestock, we try “769” antibiotics and other pharmaceutical control trials. In the Dafang County naturalized commune owned brigade, the test varieties Hua Mai No. 5, sowing with black spp flour inoculated on wheat seeds. With “769” dry material 25 times leaching liquid boring 4 hours, 3% lime soaked two days and nights,