Use salt sauce to prevent and treat 2.5% of salt, 2% of soy sauce, 1% of binder (flour can be used), add 50 kg of water, stir well, boil for 10-15 minutes, and store it in the bucket for use (if one time Use the remaining salt sauce to keep it sealed. After removing the affected area, apply evenly with a brush, apply it once every 5 days, and apply it 2-3 times.
Use vinegar to prevent the sickle from being scratched with a knife, then brush it with vinegar and apply it on the new bowl. Brush once every 7 days, and brush it 3-4 times to cure it. If you vinegar in advance, the control effect will be better.
Use alkaline water to prevent alkali from 1 part and add 4 parts of water. After stirring well, use a brush to brush directly on the trunk. After the brush, the sickness is obviously exposed. First cut the sickle with a knife into a box of 1 cm in length and depth, cut the trace deep into the xylem, and then brush with alkali water. If you scrape the disease and then brush alkaline water better. Specific practice: In the disease period, brush once every 10 days, so that alkaline water penetration of the disease; in the recurrence of the disease, brush every 7 days 1, while regular inspections, timely detection of diseased trees found.
The above methods can be carried out throughout the year and are cost-effective.
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