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作物品种通过品种区域试验后,能否推广及其推广范围,还须经品种审定组织审定。实行品种审定制度,可以加强农作物品种的管理,加速育种新成果的利用,做到有计划、因地制宜的推广、避免盲目引种和不良播种材料的扩散。审定体制和程序,各个国家有所不同。美国和加拿大是由州种子生产者协会执行品种审定任务,审定通过的品种或材料,通过一定的刊物将品种名称、登记号、简单说明公布。种子生产部门或公司可以根据需要,选择繁殖生产品种。有些材料不一定能作为品种推广,但有若干特点,可以允许其作为种质资源登记。德国规定,新品种必须由育种者
After the varieties of cultivars have passed the test of regional varieties, they can be popularized and popularized, and they must also be examined and approved by the variety examination and approval organizations. The implementation of variety approval system can enhance the management of crop varieties and accelerate the utilization of new breeding achievements so that they can be planned and popularized according to local conditions to avoid the blind introduction and the spread of poor sowing materials. Validation system and procedures, each country is different. The United States and Canada are varieties or materials approved by the State Seeds Producers Association for the approval of varieties. The names, registration numbers and brief descriptions of varieties are published through certain publications. The seed production department or company can choose to breed the production variety as needed. Some materials may not necessarily be promoted as breeds, but there are several features that may allow them to be registered as germplasm resources. Germany stipulates that the new breed must be breeder