A: Mix 500 g of copper sulfate, 1500 g of lime, 5 kg of water, and 250 g of edible oil (peanut oil, lard, etc.). Apply the convection glue (note: do not artificially scrape glue when applying it, otherwise it will aggravate it. Disease condition), 3 to 5 days smear 1 time, continuous smear 2 to 3 times can be. This method is effective for large cherries, apricot trees, and peach trees. The diseased area is scraped and the loess is mixed with a 500-fold dilution of seaweed extract until it is weighed. Streptomycetin was used to wipe out the diseased part and then smeared with yellow mud to seal it. Finally, a plastic film was glued and it was tied with a rope to prevent it from falling off. After 20 days, the plastic film was removed.
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