Doing prevention and cure of diseases and insect pests such as orange spider mites, anthracnose and canker

As the seasons change, climatic conditions are suitable for the spread of pests and diseases. At present, there are many new shoots of citrus fruit trees, which are conducive to pest feeding and pathogen infection. According to surveys conducted by our station and townships, the total number of spider mites is 650, with a height of 2,000; 5% of the anthrax leaf disease rate is high, 2.5% of the general population; 2% of the leaf disease rate is high. 0.8%; The scale insects of the scale insects are generally 80-100 heads, and the height is 300 heads; the volume of the whitefly insects is generally 150 heads, and the height is 300 heads. If the insects are not controlled in time, the diseases and insect pests can easily develop and spread. .
Prevention opinion:
1, control of red spider: 500-800 times the gold ester, liquid spray Tsubi Lang 1500 times.
2, control ulcer disease: 20% Longke 400-500 times, Garrinong 800 times, 72% of the streptomycin 4000 times spray.
3, prevention and control of anthrax: 25% imidamide 1500-3000 times, or the world's high 1500 times or 70% thiophanate-methyl 800 ~ 1000 times, or 50% eutectic 500 ~ 600 times spray.
4, prevention and control of rust wall nibs: 20% eradication of emulsion 2000 times liquid emulsion; konjac more than 1500 to 2000 times liquid; 1.8% avermectin EC 4000 times.
5, control citrus citrus beetles: with 40% speed culling 1000 to 1500 times liquid, incubate soon or eggs hatch, spray 40% omethoate 1000 to 1500 times liquid spray.

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