For the scientific understanding and use of seed coating agents, companies have the responsibility to educate and guide farmers to ensure that crops increase production.
First, the effect of seed coating
The efficacy of the seed coating should be evaluated during the life of the drug. The general seed coating can last for 15 to 25 days.
For example, the insecticide carbofuran has only a evasive effect on nematodes, so the effective period is 15 to 20 days, and the organic phosphorus is only about 10 days.
The fungicide is effective for seed-bearing bacteria, such as Fumeishuang, carbendazim, and Shile, etc. It has a better therapeutic effect on soybean root rot; mipropamide has better therapeutic effect on rice blast disease; difenoconazole on barley streak disease The therapeutic effect is better; tebuconazole has a better therapeutic effect on corn smut. For soil-borne diseases, a process is needed, that is, infestation, latent process, and the drug is controlled during the effective period, but it will continue to infect after the expiration date, especially in the spring with heavy rain and low temperature. According to the investigation, the efficacy after application is 3 times. The last two are invalid investigations.
Second, the seed coating agent physiology problem
Due to the complicated field conditions, I believe that there is almost no absolutely safe seed coating agent. When selling seed coating agents, companies should remember to exaggerate the efficacy of the drug for sales, and should pay attention to the safety of the drug to the crop. In addition, we also found that the process of registration and sales of seed coating agents is lack of science and practice, such as we need to know the scientific sowing period (the temperature is stable at 13 degrees for the appropriate sowing date).
The author suggests that you should not be overly superstitious and rely on seed coating agents. In the future, bio-aerobic fermentation of organic fertilizers will not only change the ecological environment, but also improve the efficacy and safety. It is imperative to mix seed coatings with functional plant nutrients.
Third, the seed coating agent has an effect of increasing production
Seed coating agents can play a role in delaying disease infestation and reducing harm. In general, seed dressing is better than no seed dressing. In terms of yield, it can generally increase production by 10% to 15%.
Fourth, enterprises should continuously improve their social responsibilities and be responsible to farmers. Therefore, for the scientific understanding and use of seed coating agents, enterprises have the responsibility to educate and guide farmers, so as to ensure that crops increase production.
More pesticide knowledge , please pay attention to China Pesticide Network
(Source: Pesticide Market Information)
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