以种子大小对“冬壮冬发”和产量形成的影响进行试验观察,品种为宁麦3号和苏麦1号,按种子大小分为4个等级,观察结果得出:对“冬壮冬发”的影响:大粒种能促进叶片的出生和叶片的增大,播后10、15、20天测定:叶片的大小和出叶速度均随种子重量而增加.1-3叶初期,单株根数、总根长和根干重均随种子的增大而增多.胚乳 The effects of seed size on the winter and winter winter hair yield and the yield formation were observed and observed. The varieties were Ningmai 3 and Sumai 1, which were divided into 4 grades according to the seed size. The results showed: Dongzong winter hair "effect: large grain species can promote the birth of leaves and leaves increased, sowing 10,15,20 days after sowing determination: leaf size and leaf speed are increased with the seed weight .1-3 leaves In the early stage, the number of roots per plant, total root length and root dry weight increased with the increase of seeds