Seed coating agents can be divided into two categories according to the composition of the medicaments contained therein: one is a single-dose type, that is, a single-acting agent, such as a disease-preventing seed coating agent, an insect-proof insecticide, and another The class is a compound dosage form, that is, an agent having two or more functions; that is, a certain proportion of pesticides and fungicides are mixed together to provide a seed coating agent for preventing disease and controlling insects and promoting crop growth. Seed coating agents are different from previous soaking and dressing agents. Seed soaking and chemical seed dressing, the agent on the surface of the seed will dissolve in the water after sowing, and the efficacy will quickly decrease or disappear soon. The seed coating agent can immediately form a solidified film on the seed. When the seed is entrapped in soil, it will swell with water and the seed coat will not be dissolved. As the seed germinates, germinates, emerges, and grows, the active ingredients on the seed coat will gradually release. , And is absorbed by the roots of the various parts of the conduction plant, extending the pot life. Seed coating notes. Seed coating agents contain highly effective and broad-spectrum insecticidal and bactericidal highly toxic pesticides. The following points should be noted when using coated corn varieties: 1. Do not soak sowing seeds. After the corn seed coating agent is dissolved in water, it not only fails, but also inhibits seed germination. 2. The conventional germination test is prohibited. The germination test procedure of corn coating seeds is complex and the technical requirements are high. If the conventional method of germination is used, it will not only produce no buds, but will also make the seeds lose their use value. 3. It is forbidden to use in low-lying and salty areas. Coated corn seedlings are prone to rancid rot in high-humidity soil conditions; in the saline-alkali soil, the seed coating agent will decompose and fail in case of alkali. Coated corn is not normally used in fields with a pH greater than 8%. 4. It is forbidden to use pockets filled with corn seed for food and feed. Containers that have been coated with corn must be cleaned before they are used. It is strictly forbidden to hold food, and if necessary, they should be burned in time. 5. It is forbidden to smoke, eat, and drink when sowing. When you sowing, wear gloves and protective clothing. Do not eat or drink water when sowing. Do not rub your eyes or face with your hands before washing to prevent poisoning.
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Corn seed coating matters needing attention
As the weather gets warmer, corn spring is about to begin. Many farmers will use coated seeds. The coated seeds are favored by more and more farmers because they have the advantages of preventing and controlling diseases and insect pests, preserving seedlings, promoting rooting and germination, increasing corn yield, saving labor and saving the province, and benefiting the environment. Below, introduce corn seed coating precautions:
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