油萘缩叶病的发生与防治

• 作 者: 蔡煌
• 机 构: 福建省福鼎县点头镇农技站
• 出 处: 中国果树
• 发表日期: 1996年03期
• 关键词: 缩叶病 发病规律 福鼎县 为害症状 畸形外囊菌 子囊孢子 展叶期 白色粉状物 介壳虫 氮磷钾复合肥

油萘缩叶病的发生与防治缩叶病是福建省油的常见病，发生普遍为害严重，往往造成大量落花、落果，减产６０％－７０％，甚至绝收。福鼎县自１９９２年春季以来，每年均有８００多公顷油受害。现将该病发病规律和防治技术介绍如下。１．为害症状春季油开花展叶时，即开始发...

Occurrence and control of oil naphthalene leaves Yellows disease is a common disease of Fujian Province oil, the occurrence of serious damage, often resulting in a large number of falling flowers, falling fruit, cut 60% -70%, or even absolute. Fuding County since the spring of 1992, each year more than 800 hectares of oil victims. Now the incidence of disease and prevention techniques described below. 1. Harmful symptoms of spring oil flowering leaves, it begins to send ...