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种子纯度是最重要的种子质量指标之一,是种子分级的主要依据,而在纯度鉴定传统的方法中大家一致公认的、最具权威性的当属种植鉴定,因此种植鉴定结果的准确性无疑为广大种子检验人员所关注。我国现行农作物种子检验规程规定种植鉴定方法是“把需鉴定的品种分别播于小区,每区不少于200株,并设标准品种小区作对照。田间小区要设重复,并有正常的栽培管理措施,不能除杂,在花期、成熟期按小区进行品种纯度检验。”规程虽未对播种方式做明确规定,但在具体执行中几乎是无例外地采取单粒点播、不间苗、不
Seed purity is one of the most important indicators of seed quality, which is the main basis for seed classification. However, in the traditional methods of purity identification, which is universally accepted and most authoritative, it is undoubtedly the accuracy of planting identification results. For the majority of seed inspectors concerned. China’s current crop seed testing regulations stipulate planting appraisal method is “to be identified in the variety of sowing in the district, each area of not less than 200, and standard varieties plot as a control field plots should be set to repeat, and the normal cultivation and management Measures, can not be impurity, in the flowering, maturity by the species purity test. ”Although the rules do not make a clear sowing rules, but in the specific implementation of almost without exception, to take a single on-demand, no seedlings, not