â— Xiong Xingping (Zhejiang Longwan Chemical Co., Ltd., Wenzhou 325013)
Among the crop infestation diseases, there are mainly fungal diseases such as bacterial diseases, viral diseases, and nematode diseases. Bacterial diseases account for about 20% of the disease. I specifically introduce bacterial diseases and their effective preventive and control agents.
The main manifestations of bacterial diseases are: necrosis and rot, wilting and deformity. Necrosis, rot, and malformation are the consequences of bacterial infections that destroy thin cells and cell wall tissue.
On the leaves of the reticular veins, the lesions are polyhedral spots with yellow halos around the lesions; the lesions on the hypertrophic tissue or fruit are mostly round; on tender, juicy tissues, tissues Death is prone to decay. Some parts of the body are damaged by the formation of lesions and form tumors. This phenomenon often occurs on roots or stems; wilting is the result of cells infiltrating vascular bundles and can occur locally or entirely. After the vascular bundle cells are destroyed, the water and nutrients cannot be transported normally, causing the plants to wilt and die.
Bacterial diseases have no hyphae and spores, and there are no molds on the surface of the lesions, but there is fungal sputum overflow (except for root nodules and root-cancer bacteria), and the lesion surface is smooth. This is the main basis for the diagnosis of bacterial diseases.
According to the pesticide electronic manual and the pesticide registration bulletin compilation data, there are currently 29 kinds of common effective pharmaceutical agents for the prevention and control of plant bacterial diseases. Detailed registration products are as follows:
1. Thiobacillus copper: The registered trademark is Longkei, the English name is thiodiazole-copper, is the thiazole organic copper bactericidal preparation independently invented by Zhejiang Longwan Chemical, has special effects on bacterial diseases, national invention patent new products, national Newly promoted new varieties of pesticides. It has special effects on bacterial diseases of crops, and mainly controls bacterial leaf streak, base rot, soft rot, ulcer disease, bacterial wilt and ulcer disease, etc. It has internal absorption therapy and protection and prevention. It is manufactured by Zhejiang Longwan Chemical Co., Ltd. Exclusive production.
2. Thiodizole: The English name is bismerthlazol, also known as Yezizi, Ye Qingshuang, Chuanhua-018, and Dukuning, produced by Zhejiang Longwan Chemical Co., Ltd., and it has bacterial diseases such as bacterial streak and bacterial leaf blight on rice. The disease has special effects.
3, Bordeaux fluid. CuSO4, the main component of which is basic copper sulfate, is prepared from copper sulfate, quicklime and water in proportion.
4, Daisen ammonium: amobam
5, sodium dichloroisocyanurate
6, trichloroisocyanuric acid: Alias ​​"strong chlorine."
7, Chlorobromoisocyanuric acid: also known as "Dendrazole, sterilization into" and so on
8, copper hydroxide: Cu (OH) 2, the English name for copper hydroxide, other names Fengan security, can kill 101, can kill 2000, Guanyin copper, Guanyin clear.
9, copper rosin acid: also known as green milk copper, green mycelium, copper handsome and so on.
10, cuprous oxide: English name cuprousoxide; CuO2, also known as copper master, God copper.
11, Biclicin: English name for ethylicin
12, trichloroisocyanuric acid
13, Ningnanmycin
14, Ammonia copper: English name for cuamino sulfate, copper ammonia glue, copper tetrasulfate ammonia
15, amino oligosaccharides: also known as "chito-oligosaccharides, Stirling."
16, mixed amino acid copper: also known as double effect Ling
17. Zhongshengmycin: the trade name "Ke Xi Kang".
18, copper acetate: English name copper acetate, also known as copper acetate
19, streptomycin for agriculture
20, copper oxychloride: also known as Wang copper, basic copper chloride
21, nitro humic acid copper: also known as "bacteria will be grams."
22. Oxytetracycline hydrochloride: also known as hydrathomycin, neomycin
23. Thousand Copper: The product name “Dongfeng Xiajian†is exclusively produced by Zhejiang Dongfeng Chemical.
24, thiazole zinc: Zhejiang Xinnong Chemical Co., Ltd. production.
25. Thiabendazole: The trade name “Qingshuling†is produced exclusively by Wenzhou Lucheng Zhibao Chemical Company.
26, amber acid copper: Alias ​​dibasic copper, DT, copper succinate.
27. Bacillus polymyxa: The product name “Contiyet†is produced exclusively by Shanghai Zeyuan Marine Biotechnology Co., Ltd.
28, gold nuclear medicine.
29, grams of bacteria.
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