落花期防治苹果轮纹病效果试验

• 作 者: 朱雁飞 路术霞
• 机 构: 河北省抚宁县职业教育中心
• 出 处: 山西果树
• 发表日期: 1997年01期
• 关键词: 苹果轮纹病 原孢子 施药时期 果实病害 花后 病果率 潜育期 喷药时间 病菌侵染 单株小区

落花期防治苹果轮纹病效果试验苹果轮纹病为目前的主要果实病害，其危害特点是病原孢子从果实开始发育到果实成熟均可侵入，果实近成熟出现症状，潜育期长。所以早期防止病原孢子侵入，确定适宜的第１次施药时期是防治该病害的关键。生产上一般在落花后２周即第１次生理落...

Pentaphylosis prevention and control apple at the flowering stage Apple Rodenticide is the main fruit disease, the damage is characterized by pathogenic spores from the fruit began to develop fruit ripening can invade, the fruit ripe symptoms, long incubation period. So early to prevent the invasion of pathogenic spores, to determine the appropriate first application period is the key to the prevention and treatment of the disease. The production is generally 2 weeks after the fall is the first physiological drop ...