Cucumber is a common vegetable in our daily life. It is delicious, delicious and nutritious, and is very popular among people. In the process of cucumber planting, the emergence of aphids has caused severe reduction of cucumber production, so how to control cucumber aphids? This article will introduce the method of controlling cucumber aphids.
1, dusting method
It is suitable for flood control in the protected area. In the evening, the shed is sealed. For every 667 square meters, 1 kg of cockroach dusting agent is used, and the powder sprayer is sprayed by hand. In the greenhouse, the applicator stands at one end of the middle aisle and retreats; in the greenhouse, the applicator stands near the back wall, facing south, and spraying powder on the side. Rotate the handle of the duster 30 times per minute, align the powder spray pipe over the vegetable crop, swing the powder at the right and left speeds, do not align with the vegetable spray, and do not need to enter the line spray. When the person exits the door, the medicine should be sprayed. If there is any remaining, the nozzle can be inserted into the shed and sprayed with the remaining powder in different positions outside the shed.
2, yellow board lure
The winged scorpion has a strong tendency to yellow and orange, and this feature can be used to trap aphids. The method is to take a rectangular cardboard or fiberboard. The size of the board is generally 30 cm × 50 cm. First, apply a layer of yellow advertising color. After drying, apply a layer of sticky oil or No. 10 motor oil. You can also buy yellow directly. Blow the paper, cut it into a suitable size, and then apply the oil. Insert this plate into the field, or hang it between vegetables, about 0.5 meters above the vegetable, use the oil to kill the mites, and always check and apply the oil.
3, spray method
This method is most commonly used. If necessary, spray 50% of sputum emulsifiable concentrate 2500 times solution, or 20% chlorpyrifos (killing pyrethroid) emulsifiable concentrate 2000 times solution, or 2.5% deltamethrin emulsifiable concentrate 2000-3000 times solution. Or 2.5% kungfu emulsifiable concentrate (pyrethyl ester) 3000-4000 times liquid, or 50% anti-Pu Wei (Beibu, Bigapu, dextromethorphan, Rapiol) WP 2000-3000 times solution, or 20% butyl sulphur Carbene 1000 times liquid, or 40% chrysanthemum emulsifiable concentrate 2000-3000 times liquid, or 40% chrysanthemum emulsifiable concentrate 4000 times liquid, or 毙螨 1500-2000 times liquid, or 2.4% power special micro emulsion 1500-2000 Double solution, or 21% sputum emulsifiable concentrate 6000 times solution, or 5% cypermethrin (fast killing enemy, high-efficiency Anlubao, Pepsi, high-cypermethrin, alpha-cypermethrin, yin-ning) 1500 times solution Or 10% å¯ wettable powder 4000-5000 times solution, or 15% 哒螨 ä¹³ EC 2500-3500 times solution.
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