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在江苏如皋地区玉米纹枯病(Rhizoctonia solani Kühn AGl-IA群)主要发生在玉米籽粒形成至灌浆期,蔓延盛期在6月下旬—7月上旬。阴雨高湿是流行的主导因子。病害发生程度与产量损失率成显著正相关。化防适期在病害发生初期(病株率2—3％)最佳药剂为井岗霉素。
The Rhizoctonia solani Kühn AGl-IA group mainly occurred during the grain-filling stage of corn from Rugao to Rugao, and the peak was in the late June to early July. Rainy and humid is the dominant factor. The degree of disease occurrence and yield loss rate had a significant positive correlation. Preventative period in the early stages of disease (strain rate of 2-3%) the best agent for Jinggangmycin.