Pest control measures. Set up a small peach attractant for measurement. According to the degree of damage of red spider, aphid and leaf curler, it is decided whether to prevent or not. Control Red Star Spider Spray 15% 哒螨 乳 EC 2000 times, or 1.8% avermectin WP 4000 times. To control lepidopteran pests such as P. sinensis, spray 25% chlorpyrifos No. 3 suspension 1500 times solution, or 20% diflubenzuron suspension agent 4000 times solution.

Check the incidence of apple rot and remove dead branches of rot. Spray 1:2:200 times Bordeaux mixture, then spray once every 20 days. If it rains in the middle, focus on spraying the fruit once after the rain. After the rain, the tree tray medicine treatment was carried out to prevent the emergence of the peach small heartworm, and the medicament was 200 times solution of phoxim microcapsules.

Management measures under the tree. When the soil climate is over drought, timely irrigation and cultivating weeds.

Tree management measures. Summer trimming, controlling erect branches, competing branches, and solving lighting problems. The Marshal variety continues to be the main ring.

Mid-term

Pest control measures. Control fruit and leaf diseases, spray 50% carbendazim wettable powder 1500 times solution, or 80% carbendazim WP 1500~2000 times solution, or 1.5% multi-antimycin WP 400 times solution. Continue to control lepidopteran pests such as P. sinensis, spray 25% chlorpyrifos No. 3 suspension 1500 times solution, or 20% diflubenzuron suspension agent 4000 times solution. Spray 300 times of calcium nitrate or 500 times of quick-acting calcium to prevent calcium deficiency. Spraying 0.3% ferrous sulfate to prevent yellow leaf disease.

Management under the tree. After buying and selling, the wheat straw is crushed and added with a proper amount of manure and manure. After 15 days, the tree straw is covered with stacked wheat straw, and the thickness is more than 10 cm. Watering in time, cultivating weeds.

Tree management measures. Check the stripping and peeling. If it is not healed and wrap it with plastic cloth, remove the plastic sheet immediately after the wound is flat. After irrigation, the stripped tree was stripped for the second time in late May.

Late

Pest control measures. According to the prediction of sexual attractants, Trichogramma is placed in time to control the damage of leaf roller moths. When the peach small attractant induces the wintering male moth, the soil is treated with the phoxim microcapsule 200 times solution; when the number of male moths is increased, the chlorfenapyr or Bt emulsion can be used for the prevention and treatment of the tree. The use of pear small, peach small, apple leaf roller moth sex attractant, funky trap. Using the chemotaxis of pests, use apple cider vinegar or sweet and sour liquid to trap. Spray 1:2:200 times Bordeaux mixture. When the red spider reaches the control index of the two leaves, spray 15% of the emulsified concentrate 2000 times, or 1.8% of the avermectin wettable powder 4000 times.

This article URL: Apple's common pest management measures

YT-T15

YT-T15

YT-T15

Shenzhen Sunshine Technology Co.,Ltd , https://www.yatwin.com