What pests and diseases are encountered in mulberry cultivation?
What pests and diseases affect mulberry cultivation? How can they be controlled well? Experienced readers are also asked to help explain. The common mulberry pests include mulberry looper, mulberry tussock moth, and mulberry weevil; mulberry diseases include mulberry plaster disease and scale insects. Zhongdiwang has compiled the control methods for the above pests and diseases, listed below for readers' reference....
What pests and diseases affect mulberry cultivation? How can they be controlled well? Experienced readers are also asked to help explainThe common mulberry pests include mulberry looper, mulberry tussock moth, and mulberry weevil; mulberry diseases include mulberry plaster disease and scale insects. Zhongdiwang has compiled the control methods for the above pests and diseases, listed below for readers' reference.
Mulberry pest and disease management and control methods:
1. Before mulberry pests emerge from dormancy, saw off dead stubs and dead knots, prune weak twigs, carry them out of the mulberry orchard and burn them.
2. Spring plowing and weeding, and remove unreasonable intercropped crops in the orchard.
3. For fields that have not been fertilized, apply additional quick-acting nitrogen fertilizer before mid-April.
4. Repair the ditch system to ensure irrigation and drainage capacity.
5. For mulberry trees affected by plaster disease and scale insects, first wipe out the adult scale insects, scrape off the protective layer of plaster disease, then spray with washing powder solution (mixing ratio: 1 kg washing powder added to 5 kg water).
Chemical control methods for mulberry pests and diseases:
1. Before April 20, spray all mulberry orchards with 90% methomyl wettable powder at 3500 times dilution; the pre-harvest interval is 12 days.
2. Choose pesticide varieties of reliable quality. The Yu 71-1 mulberry variety must not use organophosphorus pesticides, to prevent inducing broken-stalk bacterial blight. Spraying must be thorough, ensuring that the upper and lower parts of the branches, especially the mulberry knots, are all sprayed wet and penetrated.
3. For fields with a high incidence of mulberry thrips, 40% dimethoate emulsifiable concentrate can be added to the spray solution.
4. For mulberry trees affected by mulberry bacterial blight, promptly prune off diseased branches and diseased leaves, burn them in a centralized manner, and use a mulberry blight inhibitor for control, once a week, for 2 to 3 consecutive applications.
4. If mulberry longhorn beetle damage to mulberry trees is found, inject 80% dichlorvos emulsifiable concentrate at 50 times dilution into the bore holes to kill the mulberry longhorn beetle larvae by chemical means. Other pesticides must not be used at will for injection into bore holes, to prevent pesticide residues from affecting the safety of silkworm rearing.
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