井冈霉素防治水稻纹枯病田间药效试验
XIANDAI NONGYE KEJI(2009)
Abstract
井冈霉素防治水稻纹枯病试验结果表明,不同浓度、剂量的井冈霉素水剂、粉刺对水稻纹枯病均有较好的防治效果.5%井冈霉素水剂1 500mL/hm2、3 000mL/hm2、4.500mL/hm2,药后15d校正防效分别为63.1%、65.5%、67.8%;10%井冈霉素水剂750mL/hm2、1 500mL/hm2,药后15d校正防效分别为65.0%、81.8%;20%井冈霉素粉剂750g/667m2、1 125g/hm2.药后15d校正防效分别为54.1%、65.3%.而30%爱苗乳油和43%好力克悬浮荆防治效果虽然也较理想,但成本高于井冈霉素.因此,大面积防治水稻纹枯病以井冈霉素为宜.
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