我们在1974年的青藏考察中发现一种半野生小麦,采集了大量的种子和标本。随后对它进行了形态学、细胞学和遗传学研究。西藏半野生小麦是青稞和小麦田间的杂草,它在成熟时小穗自然脱落,天然播种。它在昌都专区察雅县吉塘区被首先发现,然后在山南专区加查县和贡(口戈)县采集到标本,有人在隆子县和仁布县采集过它。对于半野生小麦的 We found a semi-wild wheat in the 1974 Qinghai-Tibet study and collected a large amount of seeds and specimens. It was subsequently studied morphologically, cytologically and genetically. Tibet semi-wild wheat is a weed in barley and wheat fields, and when mature, the spikelets fall off naturally and are sown naturally. It was first discovered in Jitang District of Chaya County in Qamdo Prefecture, and then collected in Gacha County and Gong (Gou) counties of Shannan Prefecture. Others collected it in Longzi County and Renbu County. For semi-wild wheat