How to use copper element fungicide?

How to use copper element fungicide? Please introduce the role of copper fungicides copper fungicides can not only prevent and cure fungal diseases, but also prevent bacterial diseases; have protective and preventive effects, but also have the functions of treatment and eradication; they can heal wounds, sterilize and eliminate inflammation, and can also treat some skin diseases; at the same time, they can also be used for preservation and antisepsis of some fruits during storage. The bactericidal principle of copper fungicides Copper fungicides mainly rely on the release of copper ions and the interaction of-SH,-NH3,-COOH,-OH and other groups in the proteins of fungi to kill bacteria. The characteristics of copper element fungicide copper element fungicide has strong adhesion, rapid formation of drug film, resistance to Rain Water erosion, long duration, can prevent the invasion of bacteria for a long time, so the control effect is better. At the same time, it is not easy to produce drug resistance in long-term use. Copper fungicide has the characteristics of low toxicity, no pollution and environmental protection, so it has become the first choice for the production of green food and organic fruits. At present, the market is still mainly inorganic copper preparations, the common preparations are: cuprous oxide (copper master), copper sulfate, basic copper sulfate, copper oxychloride (king copper) and copper hydroxide (can be killed). The common preparations of organic copper are: copper acetate, copper quinoline, copper oleic acid, copper thiobacillus, copper azellae, copper succinate, copper humate, copper chelate, copper amino acid and so on. The characteristics of inorganic copper fungicides combined with the performance characteristics and germicidal origin of inorganic copper fungicides, the following points should be paid attention to when using inorganic copper fungicides for disease control: 1, the solution is alkaline, generally can not be mixed with acidic pesticides; 2, it is easy to cause drug damage when used in sensitive periods such as flowering and young fruit stages of crops; 3. The germicidal spectrum is narrow and is easy to be allergic to individual varieties of crops. 4. Some crops are easy to induce or stimulate the occurrence of mites and scale insects. The main reason for the occurrence of mites is that inorganic copper mainly destroys the protease of pathogenic bacteria, but does not destroy the tissue structure of plant cells, so it is safe to crops, but does not have any killing effect on mites, although it has no killing effect on mite pests, but it has killing effect on its natural enemies, so that the proliferation of mites is out of control, resulting in rampant, causing serious damage. In addition, the use of copper fungicides can not only supplement the trace elements needed by some crops, but also promote crop growth, stimulate fruit color and improve quality. At the same time, it can induce mites to inhabit, feed and reproduce, and stimulate mites to lay eggs in large quantities. According to the action mode and germicidal origin of organic copper, organic copper fungicides are mainly manifested in the following aspects: 1. Neutral, mixed broad spectrum, can be mixed with most fungicides, pesticides and plant growth regulators. (2) it is not easy to cause and stimulate the occurrence of mites (rust tick lice) and shell insects; (3) it has a wide germicidal spectrum, is relatively safe and reliable, and is not easy to produce drug damage; (4) it does not contain CU2+, and does not harm flowers and fruits, and can be used in all periods; (5) low content of CU, low residue and low pollution, which is beneficial to environmental protection; (6) double sterilization of CU ions and compounds, efficient and thorough. 7. Promote the absorption of elements such as Fe ion and Al ion, and play a role in strengthening seedlings. Problems needing attention in the use of copper fungicides because organic copper and inorganic copper of copper fungicides have different characteristics and sterilization methods, crop safety should be considered while ensuring the eradication of diseases. Therefore, attention should be paid to the following aspects when using copper fungicides: 1. Cross-use as many times as possible in mite-prone areas or dry seasons. 2, when used on cotton, it is easy to cause mites to occur early and frequently, causing cotton leaves to "collapse"; 3, legumes, peppers, tomatoes, eggplant and other vegetables are easy to cause a large number of mites to lay eggs, increase in value, and easily lead to dry and shedding; 4. Use with caution during the period of high temperature and humidity. Click to get more fungicide use technology click to get more pesticide use technology