前面已经讲过,评价种子质量的指标有发芽率、净度、纯度、水分,其中纯度在种子质量的各个指标中显的尤为重要,其对农业生产的影响最大。如何控制假劣种子的流通和使用呢?种子纯度快速、准确的测定是一个有效的措施。种子纯度的测定分为室内测定和田间测定两部分,这一讲主要介绍种子纯度室内测定的方法。 As already mentioned before, the indicators for evaluating seed quality are germination rate, clarity, purity and water content, of which purity is particularly important in all indicators of seed quality and has the greatest impact on agricultural production. How to control the circulation and use of counterfeit seeds? Seed purity fast, accurate determination is an effective measure. The determination of seed purity is divided into two parts of indoor determination and field determination, this talk mainly describes the method of indoor purity determination of seeds.