一、问题的提出黑龙江省高粱育种,从六十年代初,以杂交优势利用研究为主要育种途径以来,首先由省农业科学院育成了黑龙号雄性不育系,为全国春播早熟区,特别是对推动我省高粱杂种优势利用研究工作,做出了较为突出的贡献。随之全省各高梁育种单位,都先后育成一批雄性不育系,并推广了一批高粱 First, the problem raised Heilongjiang Province sorghum breeding, from the early 1960s, the use of hybrid heterosis research as the main breeding methods, the first by the Provincial Academy of Agricultural Sciences bred black dragon number male sterile lines for the national spring sown area, especially for Promote the utilization of sorghum heterosis in our province, made a more prominent contribution. Followed by the province’s sorghum breeding units, have bred a number of male sterile lines, and to promote a number of sorghum