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由三系配制的籼型杂交水稻,具有明显的分蘖优势。综合我县多年的考查结果,其产量的85%左右是由分蘖穗提供的。因此,如何经济有效地利用分蘖穗达到高产,具有十分重要的现实意义。一、分蘖穗的利用概况汕优6号是我县当家品种,作连晚种植,移植一般在大暑前后,甚至到7月底。由于安全齐穗期必须控制在9月15日前,所以播期应在6月10日左右。不
The indica hybrid rice formulated by three lines has obvious tillering advantage. Based on years of test results in our county, about 85% of its output is provided by tiller spikes. Therefore, how to use tillering spikes to achieve high yield economically and effectively has very important practical significance. First, the utilization of tillering spike Shanyou 6 is a county-owned varieties, for even the late planting, transplants generally before and after the summer, and even by the end of July. Since the safe heading date must be controlled before September 15, the sowing date should be around June 10. Do not