论文部分内容阅读
重庆市种子管理站近日通报当前全市蔬菜病虫害发生情况,并提出防治建议。当前,该市夏季蔬菜大部分已完成移栽,随着气温逐渐升高,蔬菜病虫害开始扩散发生。目前蔬菜病虫害总体发生程度2级,病害重于虫害。病害主要有灰霉病、霜霉病,虫害主要有蚜虫、菜青虫、小菜蛾。当前蔬菜病虫害发生情况如下:1.灰霉病:主要在辣椒、茄子上发生,发生程度2级,平均病株率2.14%,较上年同期高0.64个百分点,万州局部地块最高病株率14.5%。
Chongqing Municipality Seed Management Station recently informed the current occurrence of vegetable pests and diseases in the city, and put forward prevention and control recommendations. Currently, most of the city’s summer vegetables have been transplanted. As the temperature gradually rises, pests and diseases of vegetables begin to spread. At present, the overall occurrence of vegetable pests and diseases level 2, the disease is heavier than pests. Diseases are mainly gray mold, downy mildew, pests mainly aphids, cabbage caterpillar, diamondback moth. The current occurrence of pests and diseases of vegetables are as follows: 1. Botrytis cinerea: Occurred mainly on pepper and eggplant, with a degree of 2, an average diseased plant rate of 2.14%, a high of 0.64 percentage points over the same period of previous year. 14.5%.