田间小区种植鉴定是目前鉴定品种真实性和品种纯度最可靠、准确的检测方法。在实际操作中,同一样品的两个重复间的鉴定结果可能差距很大,这就给鉴定工作带来很大麻烦。为了减少鉴定重复间的鉴定误差,需要从以下几方面入手。1小区的选择要求地势平坦、土壤均匀、肥力一致、排灌方便的地块作为小区种植鉴定的用地。这样能保证种子出苗、长势的一致,为鉴定打下良好的基础 Identification of field plot cultivation is the most reliable and accurate detection method for the authenticity and purity of varieties. In practice, the identification results of two replicates of the same sample may be greatly different, which brings great inconvenience to the identification work. In order to reduce the identification error between identification repeat, need to start from the following aspects. 1 The selection of plots requires flat terrain, uniform soil, consistent fertility and convenient irrigation and drainage plots as land appraisal sites for community planting. This will ensure seed emergence, the same growth, lay a good foundation for the identification