In order to improve the yield of potatoes, underground pest control can not be ignored, such as the old care, cockroaches, golden worms and cockroaches, etc., in addition, for the control of locusts and 28-star ladybugs is also very critical, followed by Xiaobian Let's get to know it.
Underground pest control
1. Use 50% phoxim emulsion 400 to 500 grams per acre, 1.5 to 2 kilograms of 3% phoxim particles, mix in 50 kilograms of fine soil or sand, and apply to the furrow before, during or after sowing. , hoeing or sowing the soil, can effectively prevent the occurrence of underground pests.
2. In the period of adult growth, the crops or trees where the pests are concentrated. Spray 50% octyl sulphur emulsion 100 times solution, or 90% crystal trichlorfon 1000 times solution, or 2.5% deltamethrin (enemy kill) emulsifiable concentrate 300 times solution, or 20% cypermethrin emulsifiable concentrate 3000 times solution Prevention and treatment.
Aboveground pest control
1. Control aphids: control with 40% omethoate 800 times solution + new high fat film 800 times solution.
2, prevention and control of 28-star ladybug: 80% trichlorfon 500 times liquid + new high-fat film 800 times liquid spray control, found that adults began to control.
Today, the prevention and control of potato underground pests is introduced here. To get more knowledge about pesticides , please pay attention to China Pesticide Net.
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