为了保证种子质量，防止假冒伪劣种子，确保良种增产增收，现简介选购种子五忌如下： 　　一、忌用未经审定品种未经审定的品种，性状尚不稳定，选用这类种子种植后风险大，不一定增产增效益。 　　二、忌用不符合质量标准的种子使用不符合质量标准的种子，很难达到全苗、壮苗 In order to ensure the quality of seeds, to prevent counterfeit and shoddy seeds, to ensure that the yield increase varieties, are introduced to buy seeds five bogey as follows: First, harassment Uncensored varieties Uncertified varieties, traits instability, the choice of such seeds Post planting risk Large, not necessarily increase production efficiency. Second, avoid using the seeds do not meet the quality standards Does not meet the quality standards of the seeds, it is difficult to achieve full seedlings, strong seedlings