Spring is the season of sowing, but it is also the season when pests are flooding. As the temperature rises, the appearance of various pests gradually emerges. At this time, some vegetables are in a period of vigorous growth. At this time, pest management must be done. So how do you do it? Let's take a look at it.
1, eggplant red spider
Mainly eggs or fertilized female cockroaches are hidden in the cracks of the branches of the plants, deciduous and the soil around the roots of the winter, and the temperature rises in the spring of the next year, when the plants sprout, the wintering females become active.
Control method:
In the occurrence period of Chengyu and Ruoji, 30-40 ml of 10% bifenthrin EC per acre, evenly sprayed with 50 kg of water, can effectively control the damage within 10 days.
2, whitefly
It is a pest with serious damage to greenhouse crops. It has great harm to melon, kidney bean, eggplant, tomato, beans, lettuce and cabbage in vegetables.
Control method:
At the beginning of the whitefly, the density of the insect population was not high (about 2 heads/strain), which was the best period for the application of pesticides. Greenhouse cucumber, tomato, 20% bifenthrin EC 20-25 ml, evenly sprayed with 50 kg of water; open field vegetables can be sprayed with 10% bifenthrin EC 25-40 ml, 50 kg water spray, within 15 days Effectively control its hazards.
3, dishes
Preferable cabbage and mustard-type rapeseed. It mainly damages young shoots and leaves, causing the internodes to become shorter and curved, and the young leaves are deformed downwards, making the plants short, affecting the heart or the ball, causing a reduction in production, and also transmitting viral diseases.
Control method:
In the occurrence period, spray with 10% bifenthrin EC 3000~4000 times dilution, the hazard can be controlled, and the residual effect period is about 15 days. This dose can also control a variety of leaf-feeding pests, such as Pieris rapae, Plutella xylostella, and the like.
The above is the introduction of the control agent for spring vegetable pests. In order to ensure the quality and yield of vegetables, pests cannot be ignored, and must be completely eliminated.
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