冬季植保五措施

• 作 者: 段甲珍
• 出 处: 中国花卉盆景
• 发表日期: 2002年11期
• 关键词: 介壳虫 化学农药 病虫害防治 病叶 月季黑斑病 波美 中间寄主 杨透翅蛾 枯死枝 土中

休眠期是病虫整个生命活动中生命力最弱的时期。做好此时的病虫害防治,可收到事半功倍之效。同时,还可降低化学农药的使用量,从而减少环境污染。喷在花木落叶后至早春萌动前,喷波美4～5度石硫合剂,可防止螨类虫、白粉病、介壳虫、锈病以及铁壁虱等多种病虫为害,效果较好。清清洁园圃,尤其是花木周围的病叶、枯枝、杂草、垃

Dormant period is the vitality of pests throughout the life of the weakest period. Do a good job at this time of pest control, can receive a multiplier effect. At the same time, it can also reduce the use of chemical pesticides, thereby reducing environmental pollution. Spraying flowers in the deciduous leaves to germinate before spring, the United States spray spar 4 to 5 degrees stone sulfur mixture, to prevent mites, powdery mildew, scale insects, rust and iron ticks and other pests and diseases, the better. Clean the garden, especially the diseased leaves, dead branches, weeds and rubbish around the flowers and trees