黑龙江省部分水稻品种孕穗期抗冷性鉴定与筛选

摘要

By the identification on the cold resistance of some rice varieties at their booting stage in Heilongjiang province during the period of 2006 and 2009,53 first-grade and 101 second-grade materials of rice cold resistance at their booting stage were select%通过对2006~2009年黑龙江省部分水稻品种孕穗期抗冷性进行鉴定,筛选出水稻孕穗期抗冷性1级材料53份,2级材料101份,其中与丰产性结合较好的材料19份,与抗病性结合较好的材料27份,与优质性结合较好的材料6份,特种稻材料16份,审定水稻品种17个,2008~2010年累计应用面积达到129.4万hm2,为生产应用提供了科学依据,为育种者提供耐寒抗源。