Crop pest hunting method

Light trapping and killing of most of the pest's optic nerves are particularly sensitive to ultraviolet rays with a wavelength of 330 to 400 nanometers, and have a strong phototaxis, which has a good trapping effect and can be used to trap and kill a variety of pests. Blacklight trapping time is generally from May to September. During the occurrence period of pests, a black light is set for each mu, lights are turned on at 9:00 each night, and turned off the next morning. In the windless, hot nights, the amount of insects is the most.

For sex traps, use a round cage 10 cm long and 3 cm in diameter. Place two unmatched female moths in each cage. You can also use finished product attractants to hang the cages on the basin. The basins contain water and add a little Kerosene, put in the field after dusk, can kill hundreds of thousands of male moths in a single night.

The sweet and sour liquid was used to kill 6 sugars, 1 part of wine, 2 to 3 parts of vinegar, 10 parts of water, and appropriate amount of trichlorfon. It can be used to kill tigers, Spodoptera litura, armyworms, pear borerworms, etc. With a good lure placed in a pot, keep 3 to 5 cm deep, put a pot per acre, the pot to 30 cm higher than the crop for 15 days.

Poison bait trapping (1) The wheat bran, cottonseed, bean cake crushed into bait fry, every 5 kilograms of bait added 90% crystal trichlorfon 30 times 0.15 kg, and add appropriate amount of water and mix well. It can trap and kill underground pests such as earthworms and ground tigers. Apply 1.5 to 2.5 kg per mu. (2) Using 40 pieces of banana skin or pineapple peel, 90% of trichlorfon crystals are adjusted to a paste by adding water, 20 points per acre, 25 grams per point, which can be used to kill fruit fly and other pests. (3) In the period of occurrence of the larvae of the ground tiger, fresh and tender grasses were collected, and 50 g of 90% crystal trichlorfon was dissolved in 1 kg of warm water, and then evenly sprayed on the young grass. In the evening, it was placed next to the infected plants and spread on the crop line. Between the time, carry out bait trapping.

Poplar will seduce and kill about 60 centimeters long, about 1 centimeter in diameter and about half of withered poplar twigs and twigs bundled into bundles for every 10 sticks. One end of the base is tied with a wooden stick, 5 to 10 sticks per mu, and 90% of the enemy Insects of 300 times can be used to kill tobacco budworms, cotton bollworms, armyworm, Spodoptera litura, silver-winged moth, and so on.

Grassgrass prefers to induce egg-laying armyworms to lay eggs on yellow withered grasses. This habit is used to induce insects to spawn eggs and concentrate on burning eggs. Insert 10 per mu.

Yellow board trapped cardboard or fiber board cut 1 cm long, 0.2 cm wide strips, painted with a yellow paint, and then coated with a layer of sticky oil (available on the 10th motor oil plus a little butter and mix thoroughly), set 20-30 per acre , placed in the field with the same plant height, can effectively trap whitefly, aphids, leaf miners and other flies. When the insects stick to the board surface, timely re-stick sticky oil, usually 7 to 10 days repainting.

Plant decoction and utilization of pests have particular craving habits for certain plants, and artificial planting of such plants induces pest killing. If the species is castored around the corn, it can be sedated and killed. Cotton planted in cotton fields can entice cotton bollworms.

Before the silver ash film is sown or planted, laying silver-grey strips in the vegetable field can effectively prevent the winged owl from moving into the vegetable field.

Paulownia leaf trapping with fresh paulownia leaves or lettuce leaves, put 60 to 80 tablets per acre, put in the afternoon, the next morning capture, continuous 3 to 5 days, can be a large number of larvae to kill tigers.

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