1986年以来,甘肃辣椒主要产区的天水、甘谷、兰州等地因疫病(Phytophtnora capsici Leon.)大面积枯萎。镉害发生在7—8月,干旱条件下高温与灌水是重要发病条件。严格选地、整地,合理灌水、控水,结合灌水亩施98%硫酸铜1—1.5公斤灌根和喷洒50%瑞毒铜1000倍液或64%杀毒矾500—800倍液等综合防治措施效果显著,已在生产中大面积推广应用。 Since 1986, a large area of ​​Phytophtnora capsici Leon. Has withered in areas like Tianshui, Gan Valley and Lanzhou, the main producing areas for peppers in Gansu Province. Cadmium damage occurred in July-August. Under high temperature and irrigation conditions under drought conditions are important disease conditions. Strictly selected, site preparation, reasonable irrigation, control of water, combined with irrigation Mushi Shi 1-1.5 kg of copper sulfate irrigation and spraying 50% copper piperazine 1000 times or 64% anti-virus alum 500-800 times and other integrated control measures The effect is significant, has been widely applied in production.