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以当前防治稻瘟病效果最好的三环唑所需要防治的最低损失率进行测算,由预测式分别算出:汉中平坝和山区的防治指标,即破口前2—5天的叶瘟率分别为1.95％和2.83％。为确定药剂防治对象田提出了定量化的指标。
The current prevention and control of rice blast the best tricyclazole need to prevent the minimum loss rate calculated by the predictive formula were calculated: Hanzhong Pingba and mountain prevention and control indicators, that is, 2-5 days before the break of the leaf blast disease rate 1.95% and 2.83%. In order to determine the field of chemical control put forward quantitative indicators.