Prevention and treatment of the plum treeworm
2021-09-23 11:26:38
1, the base of the trunk soil. Before the overwintering adult emerges (early and mid-May), a 10-cm thick mound is cultivated in the tree tray, and it is compacted so that the adult eclosion cannot be excavated. 2, the ground application. Before adult emergence of overwintering (after flowering), spray 75% phoxim EC 0.5 kg/mu or 40% Dimethoate 500 times in the tree tray, spray it and mix it with wolfberry so as to mix the medicine and soil. Insecticide effect. Before physiological plum fruit drop, the ground can be controlled by spraying 1000-1500 times of 50% phoxim EC on the soil under the canopy. 3. At the end of flowering stage, when the small fruit has the size of wheat grain, the first time the medicine is sprayed, the enemy is killed with dichlorvos, the enemy is killed, the fast extinguishes the killing, and the blessing is available. The spray is performed once every 7-10 days. well. 4, can be used for biological control under the canopy soil treatment, such as Beauveria bassiana, or put chickens in the orchard for pest control. 5, often maintain the health of the park, will sweep the net, so as to reduce the purpose of the year of insects. In addition, the fruit growers in one area are best to unite in prevention and control, which is an important factor in determining the effectiveness of prevention and control.
Fish Series,Frozen Fish Series,Frozen Mahi Mahi Fillets,Frozen Yellow Croaker Fish
Zhejiang Zhoushan Jiaze Aquatic Co., Ltd. , https://www.tianjia-aquatics.com