葡萄灰霉病及其防治

• 作 者: 于丽萍
• 出 处: 山西果树
• 发表日期: 1997年02期
• 关键词: 葡萄灰霉病 软腐 转色 穗腐 病穗 花穗 花后 氮肥施用量 排水不良 贮运期

葡萄灰霉病及其防治葡萄灰霉病主要危害花冠、花序和果实，还能危害幼叶。花序发病初期病部呈淡褐色，随后变暗褐色软腐萎蔫，严重时整个花序坏死，表面密生灰色霉，稍一触动，病菌到处飞扬。果实受害在桨果成熟期（转色开始），初为直径２～３ｍｍ圆形稍凹陷的病斑，扩散...

Botrytis cinerea and its control grape gray mold disease main corolla, inflorescence and fruit, but also endanger young leaves. Early inflorescence disease Department was light brown, then dark brown soft rot wilt, severe necrosis of the entire inflorescence surface gray mold, a little touch, the bacteria flying everywhere. Fruit damage in the maturity of the blade (color start), the initial diameter of 2 ~ 3mm slightly concave circular lesion, spread ...