我们在1981～1983年从各地征集了国内外春小麦品种,在太原市北郊海拔1,000米的丘陵旱地进行夏播引种试验,初步筛选出一些适于夏播的小麦品种。 一、选生育期较长的品种 太原地区,一般6月下旬至7月初进入雨季,10月上中旬出现早霜,夏播小麦的最长生长日期不超过100天。从筛选的结果看,高产品种为生育期较长(90天左右)的 We collected spring wheat varieties from all over the country from 1981 to 1983, conducted summer sowing trials in the hilly drylands of 1,000 m above sea level in the northern suburb of Taiyuan City, and screened out some of the wheat varieties suitable for summer sowing. First, the selection of a longer period of cultivars Taiyuan area, generally late June to early July into the rainy season, early October early morning frost, summer sowing the longest growth date of not more than 100 days. From the screening results, high-yielding varieties for the longer growing period (90 days)