Walnut: three ways to prevent leaf pests
Artificial control of winter and spring seasons, can be combined with fruit tree pruning and orchard management, the use of spasm, chisel, scraping and other methods to eliminate the gap between the tree bark or branches of the egg, or use the trunk white, with lime slurry or lime sulfur dry, from the ground Brush the white eggs 1.5 meters away to eliminate the eggs. Chemical prevention and control is based on the weak resistance and clustering characteristics of the 3rd instar larvae. Early in the 3rd instar larvae, serious damage to the area should be immediately taken by chemical control, with 48% chlorpyrifos EC 1000~ 1500 times, 50% phoxim 1000 times, 2.5% lambda-cyhalothrin EC 2000 to 3000 times spray or 4.5% cypermethrin EC 2000 times spray to eliminate larvae. In areas with high canopy closures, smoke can be applied. Physical control From the end of July to September, the light moth is trapped to trap newly hatched adults, and the occurrence of pests in the following year is controlled by reducing spawning. Vegetable powder is a powdered vegetable particle made from vegetable raw materials that are dried and dehydrated first, and then further crushed; or first be mashed, and then spray-dried to be uniform. Covers carrot powder, tomato powder, potato powder, pumpkin powder, red beet powder, spinach powder, celery powder, yam powder and other vegetable categories. Weaned infants and young children cannot or cannot eat vegetables due to insufficient tooth development, elderly people are inconvenient to eat vegetables due to poor teeth or loss of teeth, and some adults reduce their intake of vegetables due to work or other reasons, so vegetable powder There is a wide market in this group of people. In addition, vegetable powder is also a pure natural coloring agent (carrot powder, tomato powder, spinach powder, red beet powder, celery powder, pumpkin powder, etc.), and is an excellent raw material for processed vegetable bread, vegetable noodles, specialty foods, etc. . Vegetable Powder,Organic Vegetable Powder,Vegetable Juice Powder,Veggie Powder Amazy Organic Biotech Co.,Ltd , https://www.amazyorganic.com
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