论文部分内容阅读
炭疽病是瓜类三大病害之一,主要危害籽瓜、西瓜、黄瓜。近年来,我省垦区籽瓜种植面积较大。据不完全统计,仅酒泉垦区籽瓜因炭疽病的危害,每年平均减产约5—8％,造成经济损失约五万元左右。因此,为了确保籽瓜的丰产增收,我们应加强炭疽病的防治工作。河西地区,7—8月份,随着气温的上升和雨量增加,造成炭疽病的流行,特别雨后天气骤然转晴,此病流行加快,2—3天即可大面积蔓延。故此病防治应以预防为
Anthracnose is one of the three major diseases of melon, the main damage to watermelon, watermelon, cucumber. In recent years, the reclamation area of our province seed gourd planted larger. According to incomplete statistics, only the watermelon of Jiuquan Reclamation Area is reduced by about 5-8% on average every year due to the harm of anthracnose, resulting in economic loss of about 50,000 yuan. Therefore, in order to ensure the high yield of seed-pump melon, we should step up the prevention and control of anthracnose. Hexi area, July-August, with the rising temperatures and increased rainfall, causing the epidemic of anthrax, especially the weather suddenly clear after the rain, the epidemic accelerated, 2-3 days to spread. Therefore, prevention and treatment should be prevention