Control of kiwi pests small salaried nails

First, the body characteristics and development rules of the small salary beetle: the small salary beetle belongs to a kind of chewing pest in the elytra subject, the body image of the needle tip size of the black brown or brown red small beetle, like group activities. Two generations occur each year in kiwi-producing areas, with the first generation appearing in mid-May and the peak period of harm to kiwi fruit from June to July. The second generation appeared in August, and the small salary armor had a certain degree of difficulty in harming the basic aging fruit. In October, it overwinters in the crevices of soil, stone crevices and the skin crevices of fruit tree branches at the roots of weeds.

Second, the harm of small salary nails to kiwifruit: because the small salary beetle is small, strong concealment, not easy to be found, fast reproduction speed, like clustering, generally not harmful to single fruit, only in the adjacent gap between the two fruits, the fruit surface is harmed, the victim surface appears needle-sized pore spots, the surface cells of the fruit form wood peg convex scabs, the pulp under the epidermis is hard and tasteless, forming secondary fruit, losing the commodity value.

Third, the prevention and control method of small salary nail: small salary nail is generally around May 20 after flowering, appearing on kiwi fruit, just starting at the top of the young shoots of the tree and the back of the leaf, in late May the small salary nail gradually transferred from the back of the leaf to the fruit, and the cracks of the fruit were formed in mid-June, at this time, the mouth of the first generation of adult insects soared, and then sneaked into the fruit gap and clustered together, entering the peak of harm in mid-July. The best control periods are 20 May, 30 May and 10 June.

Fifth, the prevention and control requirements of small salaried nails: in the best prevention and control period, spraying must be uniform and comprehensive, May-June is the peak period of growth, leaving no dead corners, no gaps, in order to achieve the expected purpose.

China Kiwifruit Industry Network (www.51qiyiguo.com/ WeChat public account: wgmhtcyd) adopts the "Internet + industry" method, with wugong kiwifruit as the center, radiates the upstream and downstream enterprises of kiwifruit nationwide, integrates industry resources, and forms a national single product industry upstream and downstream focus center. Provide kiwifruit planting, processing, sales of industrial ecological supply chain information services, driving the industry online upgrading.