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,秋冬要注意防这些病虫害。小麦白粉病小麦出苗后,选种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。小麦锈病冬前进行一次普查,因苗小,调查时,应低头漫步踏查或蹲下细找麦叶上的病斑。在小麦出苗到越冬前,发现条病发病中心,及时喷药保护。小麦丛矮病从小麦出苗到越冬前,选早、晚、平播、 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 in autumn and winter can receive a multiplier effect. Therefore, autumn and winter should pay attention to prevent these pests. Wheat powdery mildew After emergence of wheat, the susceptible varieties of different sowing dates were selected for a census to investigate the number of disease cases, disease points, prevalence and severity. Found on the center of the disease and its surrounding wheat seedlings, sprays Fenyin Ning control. Wheat rust pre-winter census, due to small seedlings, the investigation should be bowed down or squat down to find the lesion on the wheat leaves. Before the emergence of wheat to wintering, found that the disease incidence center, timely spraying protection. Wheat dwarf disease emergence from wheat to winter before the election early, late, sowing,