Silane Coupling Agent Co., Ltd. , http://www.nsgeosynthetics.com
2. Chronic phytotoxicity. The symptoms are not obvious and it is not easy to judge in a short time. Generally manifested as dysplasia, leaves lose luster, flowering is delayed, flowers are small and small, flowers become light, flowers and fruits are easy to fall, and it is very similar to the symptoms of lack of nutrition.
Second, the prevention of flower and plant phytotoxicity 1, according to the instructions for medication. Strictly follow the requirements of the drug instructions, and do not use pesticides that are not known for the loss of the label. Do not arbitrarily increase the concentration and dosage of the drug. If the standard dose and concentration are not used to achieve the desired control effect, the pesticide variety should be replaced.
2. Do not mix pesticides at will, so as not to cause phytotoxicity.
Third, the first aid measures for flower and plant phytotoxicity Water spray method. If the wrong medicine is sprayed, the plant should be sprayed with a large amount of water immediately; if the wrong soil treatment agent is used, the method of irrigation and drainage can be used to rescue, and the quick-acting fertilizer is applied after the medicine is washed to promote the recovery of the damaged plant.
2. Neutralization and mitigation. If the medicine is wrong, it is found to be more timely. Under the guidance of the scientific and technical personnel, it can be neutralized with water and then neutralized with the opposite sex pesticide. That is, the phytotoxicity of the acidic pesticide can be neutralized and neutralized by the alkaline pesticide. For example, after using the succulent emulsion to cause phytotoxicity, it can be neutralized with an alkaline pesticide such as sulphur sulphur or methomyl to decompose the dimethoate or spray 1-2 times with 200 times of borax solution to relieve To restore the plant to normal.
3. Spray remedy. After the broad-leaved flower plant is misused with the dimethyltetrachloro herbicide, the leaf is whitened, and 50% humic acid granules can be used, first dissolved in a small amount of water, and then 500 times in water, dripping on a plant-by-plant basis, 3- After 5 days, the leaves gradually recovered their function.
4. Melt and detoxification. If the spraying of copper sulfate occurs, it can be sprayed with a concentration of 5% - 1% of lime to hydrolyze. It can be replanted for the lack of seedlings and strengthen management.
Li Pengxiang Propaganda Station of Anhui Forestry Department Zip code: 230001
Prevention and rescue of flower plant phytotoxicity
First, the symptoms of flower and plant phytotoxicity Acute phytotoxicity. The phytotoxicity occurs quickly and the symptoms are obvious. Generally, the spots appear on the leaves, the focus or the withering; the spots appear on the leaves, the deformed, the fruits become smaller, the fruit falls; the petals are scorched, fallen, and buds; the plants grow slowly, and even the whole plant dies.
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