What is the difference between seed dressing and seed coating?
As the weather warmed and the spring ploughing season came, many farmers began to plant seeds, and peanuts, corn, and rice all entered the busy season.
Before planting, many farmers choose to plant seeds first and then plant them. A new high-efficiency seed coating agent based on imidacloprid, thiamethoxam, and flavonoids can effectively prevent soil-borne diseases throughout the growing season and the hazards of aphids, thrips, and locusts. When it comes to labor saving, it is favored by the majority of farmers and agricultural resources dealers.
However, farmers may be a bit difficult when choosing pesticides . Some of the products on the market are called seed coating agents, and some are called seed dressings.
Is the seed dressing and seed coating the same product? Why is the name different? Is the seed dressing good or the seed coating good? Many farmers do not understand.
First of all, from the relevant pesticide registration information, the use of seed dressings and seed coatings is different. The seed dressing method is used for seed dressing. For example, Hebei Weiyuan PD20120383 has a 70% content of imidacloprid, and the dosage form is a seed treated wettable powder.
The seed coating agent is used for seed coating. For example, Henan Mengzhou Huafeng Biochemical Pesticide Co., Ltd. produces PD20141110 with a content of 600 G/L of imidacloprid, and the dosage form is a suspension seed coating agent.
Common dosage forms of seed dressing agents are wettable powders, dry seasonings, etc., and the method of use is seed dressing. The seed coating dosage form is mostly a suspension seed coating agent, and the microcapsule suspension seed coating agent is used as a seed coating method.
In addition, there are differences in composition.
1. Composition of seed coating agent: active ingredient + film forming agent + slow release agent + plant growth regulator + drought resistance agent + antifreeze agent + preservative + surfactant + auxiliary material (pigment, etc.)
2, the composition of seed dressing: active ingredients + accessories (dye, etc.)
It can be seen that the biggest difference in the composition of the seed coating and the seed dressing agent is that the seed coating agent must contain a film former, and the seed dressing agent does not contain a film former.
Nowadays, the demand for seed coating and seed dressing by farmers and distributors is to prevent pests and diseases throughout the growing season through seed treatment.
This requires that the active ingredient of the drug must be relatively long-lasting, and the content is high while ensuring the safety of sprouting. This requires that the film-forming agent is stable, uniform film formation, firm and transparent.
In summary, when you choose pesticides for seed treatment, you should choose more products such as suspension seed coating.
More pesticide knowledge , please pay attention to China Pesticide Network
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