不同熟期油菜品种适宜播种期研究

摘要

In order to determine the suitable sowing date of rapeseed varieties with different mature period,an interval sowing experiment was conducted with early-maturing variety "1358",medium-maturing variety "Zhongshuang No.11"and late-maturing variety "Zheshuang No.8" as materials in Changsha region.The results showed that the early-maturing variety "1358" had good resistance to late sowing,and its suitable sowing date was middle and late October.The highest yield of medium-and late-maturing varieties was gained in 30th September and 15th October,so their suitable sowing date was from late September to early and middle October.%为确定不同熟期油菜品种的适宜播期,以早熟品种“1358”、中熟品种“中双11号”和晚熟品种“浙双8号”为材料,在长沙地区进行分期播种试验.结果表明:早熟油菜品种“1358”具有很好的耐迟播性,适宜的播期为10月中下旬；中晚熟品种在4个播期内均以9月30日和10月15日播种的产量最高,适播期为9月下旬到10月上中旬.