With the development of modern agriculture, the scale of production of agriculture is increasing, and the number and types of diseases and insect pests are also increasing. How to do a good job of pest hunting is the top priority for agricultural workers. The emergence of the trap lamp has solved this problem perfectly. The trap lamp is a kind of insect killing instrument, which is developed by utilizing the phototaxis of pests and diseases. Insect traps can emit characteristic light to attract pests and diseases, and then use high-voltage power grids to kill pests and diseases to achieve safe agricultural production.

After trials in Cangbei County Plant Protection Station of Henan Province, from September to November, each lamp can seduce about 2000 pests per day. According to statistics from the Chengdu Plant Protection Station, in September, there were 1300-2,430 insects per day per day, 950-1850 insects per day in October, and 35-1050 animals per day in November. This lamp has trapping effects on lepidopteran, coleopteran, homoptera, dipteran and other pests, but it has the best effect in trapping and killing lepidopteran and coleopteran pests.

1, control effect shows

1 The main insect pests on Solanaceae vegetables, such as borers, Helicoverpa armigera, grass bridge insects, eggplant whitefly, aunts, ground tigers, aphids, and other pests, can control the insect population density to 1.3% -2.8 %. In the field of peppers in Laiyang City, Shandong Province, insect traps were used to control the bollworm, and pest control rates were 78% to 1hm2 higher than control plots. Shanghai's farmers and vegetable traders have adopted a trap lamp in the tomato field, and the population density of American fly can be controlled within the range of 1.5% to 5%.

2 The trapping effect of the main pests on cucurbit vegetables, such as cucumis, silver-wing moth, diamondback moth, whitefly, and aphid, is obvious, especially the density of larvae of thrips can be controlled to 0.08% to 0.5%. Effectively prevent the growth point of melon seedlings being bitten by insects and affect the growth of melon seedlings.

3 The main pests on leafy vegetables, such as Brassica juncea, Cabbage moth, Spodoptera litura, Scarab, S. littoralis, and Spodoptera exigua on the cabbages and cabbages, can be controlled in the range of 0.06%-0.09%. Inside; leafhoppers on cabbage, red headed fly on cabbage, leaf roller moth, leaf miner's mouth density can be controlled to 1% to 3% o4 amaranth with leek seed fly, from September to November after the rain or watering After that, the fly will drill into the rhizomes of the leeks to lay eggs, and the worms will produce quail roots, causing the leeks to lose seedlings. The use of phoxim, trichlorfon and other traditional pest control methods, high cost, there are residual drugs, in some places the farmers lost ten helpless, had to spray the field highly toxic pesticides such as 3911,1605, causing soil and leeks Serious pollution. In the autumn, one trapping lamp is installed for every 4hm2 vegetable field, and the leek seed fly can be eliminated before spawning to fundamentally solve the problem of leek pests in the following year.

2. Use cost

According to statistics from the Hebei Province Clearance Vegetable Station, it is generally necessary to spray insecticidal pesticides 10 times a year on vegetable plots, with 1 hm2 of pesticides costing 22507-use of soil costs 15007, totaling 37,507. After installing the trap lamp, only need to use drugs twice, 1hm2 pesticide cost is about 450, soil 300, annual expenditure 750; each trap insect lamp price 3807, wiring 150m - need 100, 3 years depreciation, daily morning and evening automatically Turn on the lights, every 30W lamp is on 11h and 12h every night, the power consumption is about 0.5kW, calculated every year for 100 days, and the land and electricity costs are 330. Each lamp is equivalent to 490 lamps per year and the effective control area is 4hm2. 1hm2 vegetable land only invests 122.57 each year, which can reduce the expenditure of 2877.57 and the vegetable product has no pollution.

The insect trap lamp has good insecticidal effect and the electricity consumption is only about 10% of the ten high-pressure mercury lamps. It can be said to be economical, practical, safe, effective, quick and simple, and it has broad application prospects in the production of pollution-free vegetables.

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