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为把好苗木关,辽宁省林业厅森防检疫站始终坚持苗木产地检疫的“四检两证”制度(即:苗木出圃前,育苗单位自检、县区普检、市级互检、省级抽检;“苗木质量合格证”、“苗木检疫证”),并开展了争创“检疫信得过苗圃”活动.尽管如此,仍然有一些检疫性病虫的疫苗,通过各种不正当的渠道,被用于造林.为了保证优质壮苗,提高造林“两率”,他们从1991年开始实行苗木产地检疫的“跟踪检疫”制度.
In order to improve seedling clearance, Forest Inspection and Quarantine Station of Liaoning Provincial Forestry Department always upholds the “Four Inspection and Two Certificates” system of quarantine of origin of nursery stock (ie: before nursery stock nursery, nursery unit self-inspection, county general inspection, municipal inspection, provincial Grade sampling, “seedling quality certificate”, “seedling quarantine certificate”), and carried out to create “quarantine trust nursery” activities.However, there are still some quarantine pests vaccine, through various improper channels, Was used for afforestation.In order to ensure high quality and strong seedlings, improve afforestation “double rate”, they started from 1991 to implement the quarantine system of seedling quarantine.