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种子播前应用化学药刺处理可以杀死附着在种子表面或潜伏在种子内部的病原菌、减轻苗期病害,有些药剂还可促进种子发芽,影响幼苗或植株的新陈代谢作用,达到早熟、增产增收的目的。化学药剂种子消毒常用方法是药粉拌种和药水浸种。 1.药粉拌种药粉拌种比较安全,简便,效果好,药粉用量常为种子用量的0.1％—0.5％。拌种时一定要注意使药粉和种子充分拌匀,使种子表面都
Application of chemical stab before sowing seed can kill pathogens attached to the seed surface or lurking in the seed to reduce the disease at seedling stage, and some agents can also promote seed germination, affecting seedling or plant metabolism, to achieve premature, increase yield purpose. Chemical seed disinfection commonly used methods are powder dressing and syrup soaking. 1. Powder powder seed dressing is safer, simple, effective, powder dosage is often 0.1% -0.5% of the amount of seeds. Seed dressing must pay attention to make the powder and seed mix well, so that the surface of the seeds