目前,一些农民朋友在病虫防治上存在一种误区,即认为病虫防治应在作物播种和生长季节进行。实际上,可不是这么回事儿。有些病虫害秋冬防治,可收到事半功倍的效果。因此,秋冬应注意防治以下病虫害。一、小麦白粉病小麦出苗后,选择不同播期的感病品种田,进行一次普查,调查病田数、病点数、普遍率和严重度。对查到的发病中心及其周围麦苗,可喷洒粉锈宁控制。二、小麦锈病冬前进行一次普查,因苗小,调查时应低头慢步踏查或蹲下细找麦叶上的病斑。在小麦出苗到越冬前,发现锈病发病 At present, some farmers and friends have a misunderstanding on pest control that pest and disease control should be carried out during the planting and growing seasons. In fact, this is not the case. Some pest control autumn and winter, can receive a multiplier effect. Therefore, autumn and winter should pay attention to the following pests and diseases. First, the wheat powdery mildew After emergence of wheat, select different sowing date susceptible varieties of fields, conduct a survey to investigate the number of disease, the number of disease points, the prevalence and severity. Found on the center of the disease and its surrounding wheat seedlings, sprays Fenyin Ning control. Second, wheat rust To conduct a census before the winter, because of the small seedlings, the survey should be looking down slowly or squat down to find the lesion on the wheat leaves. In the emergence of wheat before winter, the incidence of rust was found