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抗菌素620对麦类赤霉病菌具有较强的抑制作用。我们于1976～1977年分别进行了小区药效试验和多点试验,现将试验结果简报如下: 1.试验经过 1976年,在我所试验田的冬播和春播小麦上进行小区药效试验,后又在黄山夏播麦上,与上海植生所、上海农药所一起进行农抗联合药效试验。盛花期喷第一次药,隔7天喷第二次,药液量以每亩200市斤计算,加0.3％海鸥洗涤剂作粘着刘,用背包式喷雾器喷药。人工接种病沅菌。第二次喷药后2周,或收割前2周调查药效。抗菌素620
Antibiotic 620 has a strong inhibitory effect on Fusarium graminearum. We carried out community efficacy test and multi-point test in 1976 ~ 1977, the test results are summarized as follows: 1. Test After 1976, in my experimental field of winter sowing and spring sowing wheat on the cell efficacy test, after On the other hand, Huangshan summer sowing wheat was used to carry out the pesticide-anti-joint efficacy test with Shanghai Plantation and Shanghai Pesticide. Full flowering spray the first drug, the second spray every 7 days, the liquid volume to 200 kg per mu basis, plus 0.3% seagull detergent for sticking Liu, spray with a backpack sprayer. Artificially inoculated with Bacillus subtilis. 2 weeks after the second spray, or 2 weeks before harvest to investigate efficacy. Antibiotic 620