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以“协优9308”为对照,对2个弱感光杂交籼稻品种“昌优70”和“赣亚1号”在杭州的适宜播种期进行了试验。结果显示:不同播种期处理间产量、千粒重、株高、穗长4个性状差异达极显著水平(P<0.01);“昌优70”于4月20日播种和“赣亚1号”5月20日播种的产量最高,分别达8730.0 /hm2和8382.5 /hm2。
Using “Xieyou 9308” as a control, two indica hybrid rice varieties “Changyou 70” and “Ganya 1” were tested for their suitable sowing date in Hangzhou. The results showed that there were significant differences in yield, grain weight per plant, plant height and spike length between the four treatments at different sowing dates (P <0.01); “Changyou 70” sown on April 20 and “Ganya 1 No. ”May 20 sowing the highest yield, respectively, 8730.0 / hm2 and 8382.5 / hm2.