Disease Causes and Prevention Methods of Chinese Cabbage

1. Symptoms of damage: Pieris is a larva of cabbage butterfly. The cabbage caterpillar only feeds on the leaves of the Chinese cabbage to form small pits. After the third instar, the leaves can be eaten into holes and nicks. In severe cases, only the leaf veins and petioles remain, leaving a large amount of insects to contaminate the cabbage. The damage of cabbage caterpillar can cause soft rot and black rot to increase and prevalence.

2. Control methods: It mainly adopts comprehensive prevention and control measures based on chemical control. The resistance to the young larvae of the cabbage butterfly is very weak. It is very important to use the medicine in time. When the seedlings are on the top, they must be sprayed, sprayed once every 7 days, and continuously sprayed 2 or 3 times. There are many agents that can be used, including: 90% trichlorfon crystals 1000 times, 50% azadirachtin EC or methamidophos aqueous solution I000 times, BT EC or P. aeruginosa 6 500 to 800 times, 21 % to kill quail EC 4000 times, 2.5% deltamethrin 3000 times, 2.5% kungfu 5,000 times, and 25% (or 30%) diflubenzuron 1 (or 3) 500 to 1000 times .

KN95 masks and other respiratory protection series

This category shows the KN95 and other respiratory protection product series produced by our company. It is a kind of Respiratory Protective Masks that our company mainly produces. At present, it mainly displays labor protection respiratory series. You can choose a variety of colors and Specifications, logo can be customized, welcome to buy and consult, we will welcome you with warm service

Dongying Hongxing Labor Protection Products Co., Ltd. was established in December 1995 with a registered capital of 300 million yuan and total assets of 230 million yuan. It has 520 employees, including 22 professional and technical personnel, with a sales volume of 280 million in 2019. Yuan is a private enterprise integrating R&D, production and sales of labor protection products. The company has a professional R&D team, standardized production lines and quality testing facilities. The company produces and operates more than 1,000 products in 30 categories, including Body Protective Clothing, etc., which can meet the comprehensive needs of labor protection from Head Protective Cap to Foot Protective Shoes , that is, labor protection from head to toe. The company has successively become a director unit of the Occupational Health Protection Products Committee of China Textile Business Association, a member unit of China Labor Protection Products Alliance, a member unit of Shandong Labor Protection Products Industry Association, and a top 50 enterprise in the national labor protection industry; Anbeier brand has become Shandong Labor Protection Products Industry Association Recommended Brand. Labor protection products such as Body Protective Clothing and Hand Protective Gloves produced by the company can meet the multi-faceted needs of laborers, and various Daily Washing And Chemical Articles can meet the all-round needs of various companies. Welcome to consult and purchase.


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Dongying Hong Xing Labor Protection Products Co.,Ltd. , https://www.hongxinglabor.com