论文部分内容阅读
北京植病学会蔬菜组于1984年3月1日召开了近年来蔬菜生产情况科研进展和八四年病害发生予测讨论会。会上,有的专家认为:在八三年大旱之后,予计1984年气候将发生转折,今年夏季雨水将比常年增加30—40%,汛期(6—8月)为45.0—550毫米,雨水多集中在7月中旬至8月上旬。这样,对瓜果类蔬菜生长不利,而对病害发生有利。特别是疫病类,例如西红柿晚疫病、黄瓜、冬瓜疫病、茄子绵疫病、甜椒疫病、韭菜疫病等。1974年北京市夏播
On March 1, 1984, the Vegetable Group of Beijing Society of Plant Diseases convened the scientific research progress of vegetable production in recent years and the workshop on the prediction of disease occurrence in 1984. At the meeting, some experts said: After the severe drought in 1983, there is a turning point in the climate in 1984. The rainfall in this summer will be 30-40% more than in the previous year and 45.0-550 mm in the flood season (June-August) Rain and more concentrated in mid-July to early August. In this way, the growth of fruits and vegetables disadvantageous, but beneficial to the disease. In particular, blight, such as tomato late blight, cucumber, melon disease, Eggplant Maucais disease, sweet pepper disease, chives disease. Summer broadcasting in Beijing in 1974