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芒果白粉病(Oidium mangifera Berthet)是芒果花期的一种重要病害。1985—1986年,在海南岛南部、西南部芒果产区进行了关于此病的发生和流行规律的调查研究,查明了此病为害的部位和症状,并发现此病的发生、流行与田间气候的相关性,不同物候及品种与病害发生的关系。三种药剂的大田防治试验表明,1500倍20%粉锈灵乳剂效果最好,防效达88~96.7%,药效15天。
Mangosteen powdery mildew (Oidium mangifera Berthet) is an important disease of mango flowering. From 1985 to 1986, a survey was conducted on the occurrence and prevalence of the disease in the mango-producing areas in the south of Hainan Island and southwestern China. The site and symptoms of the disease were identified and the occurrence, prevalence and field of the disease were found Climate correlation, different phenology and the relationship between varieties and disease occurrence. Three kinds of pesticide field control experiments show that 1500 times 20% powder rust Ling best effect, control effect of 88 ~ 96.7%, efficacy of 15 days.