一、前言随着农业生产水平的提高,改变了“七不补,八不栽”的陈旧观念,要求做到一次播种,保全苗;农业生产现代化中的精量、半精量播种大大减少了单位面积上的用种量;这就要求种子具有更高的播种品质,并需要更精确地预测种子母间出苗率。因此,种子活力 I. INTRODUCTION With the improvement of agricultural production level, the old concept of “seven no supplements, eight no planted” has been changed and a sowing and preservation of seedlings have been required. The precision and semi-precision sowing of agricultural production modernization has been greatly reduced The use of seeds per unit area; this requires higher seeding quality seeds, and the need to more accurately predict seedling emergence rate. Therefore, the seed vitality