What medication works well for banana fusarium wilt? Introduction to prevention and control methods

Banana fusarium wilt is a relatively serious disease of bananas, occurring mainly in Guangdong and Guangxi and other places, because the Guangdong-Guangxi region is a major banana producing area. Once the pathogen is produced, it can survive in the soil for many years, causing a great reduction in banana yield. So what medication is best for banana fusarium wilt? Here are the prevention and control methods for everyone as follows!

I. Introduction to banana fusarium wilt

1. What else is banana fusarium wilt called?

Banana fusarium wilt is also called banana yellow leaf disease or Panama disease.

2. What are the symptoms of banana fusarium wilt?

In mature banana plants, the old leaves turn yellow, accompanied by loss of green color in the vascular bundles of the outer leaf sheaths. Internal symptoms include wilting of the diseased plant and discoloration and rotting of the vascular bundles; external symptoms include a distinctive yellow color on the leaf sheaths; internal symptoms include the woody vessels of the roots turning reddish-brown.

3. What are the causes of banana fusarium wilt?

The causes of banana fusarium wilt are mainly factors such as high temperature and abundant rain, acidic soil, sandy loam soil, low fertility, heavy clay texture, poor drainage, poor permeability of the subsoil, and root injury from cultivation, all of which favor the occurrence of the disease.

4. What are the main methods of disease-resistant breeding for banana fusarium wilt?

Bud sport selection breeding, tissue culture mutant selection breeding, cross breeding, toxin screening breeding, somatic cell hybridization breeding, genetic engineering breeding.

II. What medication is best for banana fusarium wilt?

Once banana fusarium wilt occurs, it can survive in the soil for 30 years, and no pesticide can eliminate it. Although some simple crop rotation, or soil improvement, can help kill the pathogen, it is only partial, and it is still necessary to rely mainly on disease-resistant or disease-tolerant varieties.

For lightly diseased banana plants with fusarium wilt, use a broad-spectrum fungicide diluted in 30 jin of water to drench the root and stem base, applying continuously 3 times with an interval of 3-5 days, to promote root growth, strengthen the plant, and provide disease resistance. Spray 41% polyoxine·pyrimethanil 800-1000 times dilution; when spraying, try to spray the solution onto the underside of the leaves at the base. In the middle and late stages of the disease: spray 41% polyoxine·pyrimethanil 800 times dilution; apply once every 3-6 days. Or spray 38% oxadixyl-famoxadone 600 times dilution onto the underside of the leaves at the base. Using these medications can treat banana fusarium wilt, but if you want to completely eliminate it, you need to change the land for planting.

III. Introduction to prevention and control methods for banana fusarium wilt!

1. Implement the quarantine system, strictly restricting the introduction of banana seedlings and Manila hemp seedlings and the soil attached to them from diseased areas.

2. Choose disease-free seedlings. To ensure that the banana orchard is free of fusarium wilt, disease-free banana seedlings should be selected for planting; the basic method is to introduce seedlings from areas without banana fusarium wilt.

3. Choose disease-resistant varieties, using fusarium wilt-resistant varieties as much as possible.

4. Block off banana fusarium wilt areas to prevent the spread of the disease. If scattered diseased plants are found in the banana orchard, they must be immediately pulled up roots and all, and the diseased plants chopped up, put into plastic bags, lime added and the bag opening sealed, then moved out and away from the banana orchard to let them rot.

5. Treat banana fusarium wilt diseased soil promptly. In order to eliminate the source of infection and cut off opportunities for spread, diseased soil treatment is a very important measure.

6. Strengthen banana cultivation management, apply more fertilizer, dig ditches for drainage, enhance plant disease resistance; in areas with conditions and severely diseased banana orchards, flooding and resting the land for half a year or crop rotation can be carried out.

The above 6 points are the introduction to prevention and control methods for banana fusarium wilt; fruit farmers should be sure to remember them well.

Summary: The above content is an introduction about medication and prevention and control methods for banana fusarium wilt, hoping to help planter friends in need. This article is compiled from relevant professional knowledge.