Installation, Daily Maintenance, and Precautions for Insecticidal Lamps
Release Date:
2023-09-16
Nowadays, many growers are moving away from fumigation and chemical insecticide applications in favor of using insecticidal lamps. Most growers have installed such lamps, which are primarily used to control pest populations and reduce the need for chemical pesticides. These lamps can effectively attract and kill nearly 20 species of vegetable pests, including those belonging to the Lepidoptera, Coleoptera, Orthoptera, and Hemiptera orders, and are characterized by strong attraction and killing efficacy, minimal impact on beneficial insects, and ease of operation. So how should insecticidal lamps be installed, and what are the key maintenance tips and precautions?
Nowadays, many growers are moving away from fumigation and chemical insecticide applications in favor of using insecticidal lamps. Most farmers have installed such lamps, which are primarily used to control pest populations and reduce the need for chemical pesticides. These lamps can effectively attract and kill nearly 20 species of vegetable pests, including those belonging to the Lepidoptera, Coleoptera, Orthoptera, and Homoptera orders, and are characterized by strong attraction and killing efficacy, minimal impact on beneficial insects, and ease of operation. So, how should insecticidal lamps be installed, and what are the key maintenance tips and precautions?
I. Installation of Insecticidal Lamps
1. Lamp density: Under conditions of ample light, a single insecticidal lamp can control pests over an area of 15–25 square meters; in areas with relatively limited light, the effective coverage per lamp is approximately 30–40 square meters.
2. Lamp-hanging height: For different vegetable crops, the lamp-hanging height directly affects the efficacy of the insecticidal lamp in attracting and killing pests; therefore, special attention should be paid to this parameter.
For low-growing, ground-hugging crops grown in open fields—such as cruciferous vegetables like bok choy, Chinese cabbage, and cabbage, as well as alliums like scallions and garlic—the typical lamp height is 80–100 centimeters.
For greenhouse-cultivated vining crops such as tomatoes, cucumbers, and adzuki beans, the typical height for hanging grow lights is 100–120 centimeters.
3. Lighting schedule and switch-on/switch-off times
Insecticidal lamps exhibit a strong seasonal pattern in attracting and killing pests: generally, the highest numbers are recorded from May to October. However, in some vegetable-growing areas, the optimal period is from April to November each year. Insecticidal lamps should be installed by the end of April and collected by November.
The lights are typically switched on each day from 7:00 p.m. to 5:00 a.m. the following morning. Given that the period from dusk until 10:00 p.m. is the optimal time for insecticidal lamps to attract and kill pests, the lamps are operated during the peak emergence period of adult pests, from 7:00 p.m. to midnight.
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