在内蒙古地区,选育小麦早熟品种,对于增加复种,提高后作长白菜的产量,以及防止自然灾害,实现小麦稳产、高产,都有很大的现实意义。特别是西部一带,春小麦抽穗扬花至灌浆成熟时期,经常发生干热风,影响受精结实,出现催熟青枯现象,造成不同程度的减 In Inner Mongolia, breeding of precocious wheat varieties is of great practical significance for increasing the number of double cropping, increasing the yield of cabbage and preventing natural disasters, and achieving stable yield and high yield of wheat. Especially in the western region, spring wheat heading and flowering to filling mature period, often dry hot wind, affecting fertilization and fruiting, ripening withered phenomenon, resulting in varying degrees of reduction