注意夏季瓜类蔬菜白粉病的发生与防治

• 作 者: 张夕林
• 机 构: 南通市通州区植保站,
• 出 处: 农药市场信息
• 发表日期: 2016年19期
• 关键词: 瓜果蔬菜 病害蔓延 植株长势 发病盛期 植株徒长 南通地区 生长中后期 阿米西达 瓜田 嘧菌酯

白粉病是夏季瓜果蔬菜上主要病害之一。夏季由于高温、闷湿、施肥不当、植株徒长、通风不良、光照不足、植株长势弱等造成该病的发生。该病多发生在植株生长中后期,主要危害叶片、叶柄和茎,对果实品质和产量影响较大。白粉病在江苏南通地区蔬菜上主要危害瓜类(黄瓜、菜瓜、甜瓜、西葫芦等)、豆类(豇豆)、茄子等,6、7月份是瓜类尤其是黄瓜、菜瓜、西甜瓜白粉病的发病盛期,易造成瓜果蔬菜病害蔓延,产量下降,严重时甚至绝收。近期白

Powdery mildew is one of the main diseases on fruits and vegetables in summer. Summer due to high temperature, boring wet, improper fertilization, plant lengthy, poor ventilation, lack of light, plant growth is weak, causing the disease. The disease occurred in the late plant growth, the main hazards leaves, petioles and stems, fruit quality and yield greater impact. Powdery mildew in vegetables in Nantong, Jiangsu Province, the main hazards of melons (cucumber, melon, melon, zucchini, etc.), beans (cowpea), eggplant, etc., June and July are melons, especially cucumber, melon, melon powdery mildew The peak incidence, easy to cause the spread of fruits and vegetables diseases, production decline, even when the absolute failure. Recent white