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目前正值雨季,河北省北部春谷区的谷子将进入抽穗期,夏谷区的谷子已开始拔节,也是谷子病虫害高发期。这一时期,危害谷子的病虫害种类和症状多样,农民朋友难以掌握,更不知道怎么防治,而一旦错过最佳防治期,等危害重时再用药为时已晚。因此,必须了解谷子中后期主要病虫害种类和防治方法,以对症用药,确保谷子丰产。一、病虫害种类病害:主要是谷瘟病、白发病和褐条病,部分地区纹枯病近几年有加重趋势。其中谷瘟病是目前河北省乃至全国性的重要病害,必须做好防治工作。田间湿度大为病害发生提供了有利条件。
At a time when the rainy season is ripe, the millet of Spring Valley in northern Hebei Province will enter the heading stage. The millet of Summer Valley has started to join the season. During this period, pests and diseases endanger millet species and symptoms varied, farmer friends difficult to grasp, but do not know how to prevent and control, but once the best prevention period is missed, and other dangerous drugs repossession is too late. Therefore, we must understand the millet in the late pest and disease types and prevention methods to symptomatic medication to ensure high yield of millet. First, the pest species diseases: mainly rice blast, white disease and brown stripe disease, sheath blight in some areas have increased in recent years. Among them, the blast is the most important disease in Hebei province as well as the whole country at present, and must be well controlled. Field humidity provides a favorable condition for the occurrence of diseases.