Chinese Standard: GB/T 29377-2012

Code of practice for virus free seed potatoes grading and inspection

全国蔬菜标准化技术委员会(SAC/TC 467)

本标准规定了马铃薯原原种（G1）、原种（G2）、大田种薯（G3）各级别质量指标与检验技术要求。包括各级种薯质量要求、级别判定、田间检验、收获后块茎检验、发货前块茎检验、分级标签与证书等。
本标准适用于马铃薯种薯田间、收获后、发货前的级别判定与检验。

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