Perfusion method for preventing diseases and insect pests in tree
A technology for diseases and insect pests and trees, which is applied in the field of perfusion for preventing and controlling diseases and insect pests, can solve the problems affecting the continuity and utilization rate of the medicinal solution, damage to the cambium of trees, callus, etc. The effect of high drug utilization
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Embodiment 1
[0031] Pharmaceutical formula: 1500 parts by weight of water, 3 parts by weight of 5% esfenvalerate EC, 3 parts by weight of 40% dimethoate EC, 1 part by weight of Resinase A, and 1 part by weight of trisiloxane polyoxyethylene ether. Mix the above ingredients evenly and set aside.
[0032] The tree diameter at breast height is 4cm, and a perfusion hole is drilled at an angle of 40° obliquely downward on the trunk above 3m from the ground, with a diameter of 6mm and a depth of 4cm. Late April was selected as the application period, 3ml was applied to each well, once every 15 days, and applied 3 times in a row. After spraying each time, use plastic film to temporarily seal the tree hole, and after the last spraying, use yellow mud to completely seal the tree hole.
Embodiment 2
[0034] Pharmaceutical formula: 2000 parts by weight of water, 4 parts by weight of 15% cypermethrin emulsifiable concentrate, 4 parts by weight of 45% dichlorvos emulsifiable concentrate, 2 parts by weight of Resinase A, and 2 parts by weight of trisiloxane polyoxyethylene ether. Mix the above ingredients evenly and set aside.
[0035] The diameter at breast height of the tree is 15cm, and 3 perfusion holes are drilled obliquely downward at a 45° angle on the trunk above 3m from the ground, with a diameter of 7mm and a depth of 5cm. The interval is 15cm. Choose late June as the application period, apply 4ml per well, apply once every 18 days, and apply 4 times in a row. After spraying each time, use plastic film to temporarily seal the tree hole, and after the last spraying, use yellow mud to completely seal the tree hole.
Embodiment 3
[0037] Pharmaceutical formula: 1800 parts by weight of water, 5 parts by weight of 20% fenpropathrin emulsifiable concentrate, 5 parts by weight of 50% omethoate emulsifiable concentrate, 3 parts by weight of Resinase A, and 3 parts by weight of trisiloxane polyoxyethylene ether. Mix the above ingredients evenly and set aside.
[0038] The diameter at breast height of the tree is 25cm, and 5 perfusion holes are drilled obliquely downward at an angle of 50° on the trunk above 3m from the ground, with a diameter of 8mm and a depth of 5cm. The interval is 20cm. The last ten-day of August was selected as the application period, and 6ml of drug was applied to each hole, once every 15 days, and applied continuously for 5 times. After spraying each time, use plastic film to temporarily seal the tree hole, and after the last spraying, use yellow mud to completely seal the tree hole.
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