The principle of the insecticidal lamp is to use light, wave, color, smell and high voltage power grid to achieve the purpose of trapping and killing insects. The insecticidal lamp traps many kinds and large numbers of insects, reduces the egg production of insects, and reduces the base and density of insect mouths, and protects natural enemies while reducing the use of chemical pesticides to delay the emergence of insecticide resistance; it is harmless to humans and animals, and environmental pollution Small, conducive to the protection of the ecological balance of the planting site, is an effective comprehensive prevention and control means for preventing the occurrence of insect pests and reducing the frequent use of drugs by vegetables and fruit trees.

The insecticidal lamp has a significant effect on the control of pests in vegetables and fruit trees. The main pests are soybean leaf moth, pod borer, melon silk borer, big beetle beetle, cabbage spodoptera, small ground tiger, Spodoptera litura, beet armyworm, mole cricket, tobacco There are more than 20 species of worms, corn borers, cabbage borers, bean field borers, diamondback moth, etc.

The technical points of using insecticidal lamps are as follows:

Grasp the hanging lamp height. The hanging lamp height is related to the amount of insect catching. It has been proved by experiments that the height of the hanging lamp should be 120 cm, generally not less than 100 cm; under open cultivation conditions, the main plant is leafy vegetables The class is generally 70 cm, and the eggplants are 80-100 cm.

Note that there is a big difference in the amount of insects flickering at different time periods during the hanging lamp period. The hanging lamp trapping and killing insects has a significant effect at 19-23.

Pay attention to the period of hanging lights according to the characteristics of the occurrence time of pests, and grasp the period of insecticides. The initial period of insecticidal lamps is from late April to early May. It is mainly used to capture small ground tigers, diamondback moths, beetles, etc.

The nets and the bags were tested with the same hanging lamp height and the same interval to clean the nets and the nets without insects. When the nets were brushed once every 3 days, the amount of insects was reduced by 16%. Is appropriate.

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