The removal of residual fruits will remove all residues, sub-fruits, and fruit cracks, diseases, fruit and insects, and stagnant fruits that are left behind in the tree and cannot be used to save tree nutrients, and at the same time prevent its It is a natural carrier for the transmission of diseases such as pomegranate (fruit rot, dry rot, etc.) and insects (eg Myzus persicae, Pyricularia falciparum, Conradia powder, pomegranate velvet, etc.). In general, the above-mentioned diseases, insects, worms, worms, cracks, and nuts must be removed in early October and buried deep outside the orchard.
Removal of weeds, litter and weeds, litter and fruit droppings, and the breeding of pests. Weeds, litter and fruit must be removed from the garden, and weeds outside the crowns and canopies outside the crown must be removed. Branches, dry branches, delicate branches, overlapping branches, overlapping branches, damaged branches, short-falling fruiting branches, fruiting branches and leggy branches, were buried or burned outside the park.
Moderate pruning at this time of moderate pruning will not only help to restore the tree vigor, but also contribute to the accumulation of nutrients, thereby enriching flower buds and promoting the formation of flower buds, laying a good foundation for safe wintering and high yields for the following year. Pomegranate tree sprouting, branching force are strong, in the pruning method to sparse, short cut, retraction, as much as possible sparse cut; time should be mainly winter scissors, summer scissors as a Supplement, while pruning The three principles are as follows: thin and dense, thin and dense, and dense branches.
Pest control The main control targets for this period were peach aphid, peach borer, hook moth, golden caterpillar and other pests and diseases such as dry rot, fruit rot, and brown spot. The control method is to combine pruning and take the following measures.
1. Scrap old skin. In order to prevent the re-infestation of dry rot and other pathogens, after the pomegranate is harvested, the old skin is promptly scraped off, and 50% thiophanate-methyl 100% solution is also available, and 50% tetrogenic WP 100 times solution can also be applied. Scrape old tree trunks to protect the trunk and prevent disease. At the same time, the scraped old skin is burned or buried.
2. Tree spray. In the mid-October after pomegranate picking, if the control of aphid and date turtle wax and pomegranate whitefly, can use 25% imidacloprid 2000 times + 20% fenvalerate (fast killing small) 2000 times liquid mixture for prevention and treatment . If locusts, dates, wax worms, pomegranate mealworms, moths, golden caterpillars and other pests together, can be used 25% imidacloprid wettable powder, 25% diflubenzuron, 20% fenpropathrin EC and water, according to 0.4: The ratio of 0.3:0.3:2000 was used for tree body spray control.
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