What medicine is the most effective for apple tree rot?

In fact, there are many drugs to deal with apple tree rot, such as bacterial toxin, octylamine acetate, 843 rehabilitation agent, putuo, Zhiputing, Guatujing and so on. As long as these chemicals are used according to their standard concentration, the effect is very good. It is suggested that the subjects choose and use according to the actual situation of apple tree rot. The following is a detailed introduction of several products:

Scrape clean

Its effective component is a compound preparation of 12% copper sulfate and benzalkonium bromide. When in use, it only needs to be used according to the standard concentration of the product (that is, 30-50 times of water).

The second is the anti-corruption spirit.

Its effective component is a compound preparation of 3.3% copper humate and copper sulfate. When in use, it can be coated with 12~20g preparation per square meter of scraping area. The concentration of the preparation is about 150~200 times when converted into diluent.

However, there are products with this formula in the agricultural market, and their active ingredients are the same as those of Zhifuling, except for the compound preparation of copper humate and copper sulfate with the active ingredient content of 2. 12%. Its trade name is 843 rehabilitation agent, and the scraping area per square meter is about 200g (equivalent to about 20g of preparation), and the effect is also very good.

The third is bacterial toxin water solution.

Also known as bactericidal spirit and sick enemy. The chemical name is dioctyl aminoethyl glycinate. It is a very good low-toxicity bactericide. Its mechanism of action is to inhibit the germination of hyphal spores, denature the enzyme, and achieve the purpose of control.

When used for apple tree rot, 5% bacterial toxin aqueous solution can be diluted by 50~ 100 times, and then applied according to the amount of scar. Wear gloves when applying. Some people are allergic to this medicine. If you are not careful, your skin will turn red.

The fourth is octylamine acetate

This medicine has a good eradication effect on latent bacteria invading bark. Its mechanism of action is to achieve antibacterial and therapeutic effects by destroying the cell membrane of pathogenic bacteria, agglomerating protein, and inhibiting respiratory system and biological enzyme activity. Originally, it was best to use it in combination with propamocarb hydrochloride, moroxydine hydrochloride and zhongshengmycin. Mainly used for rot, dry rot, gummosis, canker and root nodule of fruit trees (including apple trees).

When used, according to the different product contents, there are: 1.8% octyl acetate solution 15~20 times solution, 3% octyl acetate wettable powder 30~40 times solution and 5% octyl acetate solution 200~250 times solution.