苦瓜是一种具有凉血解毒、清心明目等功效的保健蔬菜,市场需求大,随着种植业结构调整,早春反季节苦瓜面积逐年扩大,病虫害防治成为影响生产效益的重要因素,现将早春反季节苦瓜主要病虫害及其防治技术总结如下: 炭疽病:1、症状:叶片出现圆形至不规则病斑,由灰白色变成褐色;茎蔓上病斑椭圆形,边缘褐色,稍凹陷;果实初期近圆形水渍状褐色病斑,后呈黄褐色稍凹陷。湿度大时病斑表面有粉红色粘液。2、防治措施:(1)农业防治。选用抗病品种,采用无病种子,与非瓜类作物3年以上轮作,加强通风排湿,增 Bitter gourd is a kind of health care vegetable with the functions of cooling blood and detoxifying, clearing blood, clearing eyesight and other functions. The market demand is huge. With the adjustment of planting structure, the area of ​​bitter melon in the early spring is expanding year by year, and pest and disease control becomes an important factor affecting production efficiency. The main pests and diseases of bitter gourd in the season and its prevention and cure technology are summarized as follows: 1. Anthracnose: 1. Symptoms: the leaves appear round to irregular spots, which turn from off-white to brown. The stems have oval, marginal brown, Near the initial water-like brown spot brown stains, slightly brown after the depression. High humidity when the surface of the lesion pink mucus. 2, control measures: (1) agricultural control. Selection of disease-resistant varieties, the use of disease-free seeds, and non-melon crops more than 3 rotation, to enhance ventilation and humidity, increased