论文部分内容阅读
近年来在我国东北部分地区发生一种危害黄瓜的重要新病害-黄瓜黑星病。病害发展迅速,为害严重,已成为辽宁、吉林、黑龙江保护地春黄瓜的主要问题。由于病害所造成的损失严重,又无有效的防治办法,当地群众称之为“癌症”。为了摸清病害的发生情况,进一步研究发病规律和防治措施,我们对该病作了一些调查研究等工作,现将情况综合通报如下。一、病害的地理分布据报道,黄瓜黑星病分布在北美、欧洲、南亚和东亚。国内仅限于吉林、陕西(在笋瓜上)、河南(在葫芦上)。由于东北地区扩大保护地黄瓜种植面积,导致黄瓜黑星病为害加剧和蔓延。由原来吉林省的长春、
In recent years in some parts of northeast China, an important new disease that endangers cucumber - cucumber scab. Rapid development of disease, serious damage, has become Liaoning, Jilin, Heilongjiang protected area cucumber main problem. Due to serious damage caused by the disease, there is no effective prevention and treatment measures, the local people call it “cancer.” In order to find out the occurrence of disease, to further study the incidence of disease and prevention measures, we made some investigations on the disease work, the situation is now informed of the following. First, the geographical distribution of disease According to reports, cucumber scab distribution in North America, Europe, South Asia and East Asia. Domestic only limited to Jilin, Shaanxi (in winter squash), Henan (in the gourd). Due to the expansion of cucumber planting area in the northeast, cucumber scab causes aggravating and spreading. From the original Jilin Province, Changchun,