Symptoms and Countermeasures of Vegetable Pesticide
2025-05-27 22:58:04
1, the symptoms of the disease
In summer, when the vegetable seedlings are planted, the growth of the stems and leaves of the seedlings tends to be slow, the growth points of the seedlings are atrophied, and the growth is stagnant; the leaves begin to whiten and dry out from the edges, the whole plants gradually wilted, and finally the whole plant died. This is mainly due to improper selection of pesticides or uneven concentration of preparation, resulting in excessive concentration and excessive spraying; some also have poor mastery of spraying time, often at high temperature and strong light at noon.
2, prevention and control measures
(1) According to different pests and diseases
(2) Stir well during preparation, the concentration should be appropriate
(3) Spray mist droplets are required to be fine and uniform, generally in the form of leaves with water droplets
(4) It is forbidden to use highly toxic and highly toxic pesticides during the nursery process.
(5) Spray water after spraying pesticides to relieve phytotoxicity
In summer, when the vegetable seedlings are planted, the growth of the stems and leaves of the seedlings tends to be slow, the growth points of the seedlings are atrophied, and the growth is stagnant; the leaves begin to whiten and dry out from the edges, the whole plants gradually wilted, and finally the whole plant died. This is mainly due to improper selection of pesticides or uneven concentration of preparation, resulting in excessive concentration and excessive spraying; some also have poor mastery of spraying time, often at high temperature and strong light at noon.
2, prevention and control measures
(1) According to different pests and diseases
(2) Stir well during preparation, the concentration should be appropriate
(3) Spray mist droplets are required to be fine and uniform, generally in the form of leaves with water droplets
(4) It is forbidden to use highly toxic and highly toxic pesticides during the nursery process.
(5) Spray water after spraying pesticides to relieve phytotoxicity
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