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Myzus persicae (Sulzer), also known as haze, vegetable worm, belongs to the order Homoptera. It spreads all over the country, and is a food-loving pest that harms cruciferous vegetables such as peaches, apricots, plums, etc., and cruciferous vegetables such as radish, as well as more than 100 kinds of cash crops and weeds such as tobacco, hemp, and cotton. There are 4 types of products can be choosed-Fine, Derm, Derm Deep,Ultra Deep.These 4 products make it possible to quickly and effectively meet the vast majority of patient's needs for correction and augmentation of wrinkle and folds. TOP-Q Hyaluronic Acid Dermal filler Qufu Hi-Tech Trading Co., Ltd. , https://www.chinahyaluronic-acid.com
Harmful formation, nymphs cluster buds, leaves, shoots sucking sap on young shoots, damaged leaves to the back of the irregular curl shrinkage, excretion of honeydew induce mold or transmission of virus Bo?
Morphological characteristics: Adults: The females with wings have a body length of 1.6-2.1 mm. The cephalothorax, abdomen and tail piece are all black, and the abdomen is light green, yellow-green, and reddish-brown to brown.
Eggs: oblong, 0.7 mm long, turn black after the beginning of light green.
Nymphs: like a wingless viviparous female aphid, pale pink, only a small body; winged nymphs barrel-chested, winged bud.
Life history and habits: In the North, there are 20 to 30 generations, and the type of life cycle is housewarming. North to egg next to host plant buds peach, plum, apricot, cracks, small twigs, etc. winter, the eggs begin to hatch dry mother, cluster bud damage, migrate to the dorsal damage young shoots and leaves after the show, breeding , one after another to produce winged viviparous female aphid onto the apples, pears, and other cruciferous weeds and host migration diffused; early May breeding the fastest, damage height and produces winged aphids to tobacco, cotton, cruciferous Plants and other summer hosts are responsible for breeding, and they produce sexual warts and they lay their eggs for winter.
Control methods
1. Strengthen the management of orchards: Combine spring pruning, cut off the victim's shoots, and burn them centrally.
2, a reasonable allocation of tree species: In the peach trees or near the orchard, it is not appropriate to grow tobacco, cabbage and other crops, in order to reduce the locust summer breeding sites.
3, protection of natural enemies: ladybugs, flies, grasshoppers, parasitoids, etc., have a strong inhibitory effect on aphids, spraying as little as possible of broad-spectrum pesticides.
4, trunk injection: in the trunk with iron cone from top to bottom, piercing the hole, deep to the xylem, with a No. 8 syringe into dichlorvos.
5. Spraying pesticides: After the eggs hatch in spring, the peaches shall be sprayed in time before flowering and rolling, and reference may be made to the peach meal.