播期对水稻浙优18生长和产量的影响

Effects of Sowing Date on Growth and Yield of Rice Zheyou 18

[目的]为浙优18适时播种提供理论依据。[方法]以水稻浙优18为材料,研究不同播期对其生长、产量和产量构成因子的影响。[结果]浙优18在浙江衢州地区,4月10日至6月24日播种均可正常抽穗结实,以5月10日播种产量最高,达12.35 t/hm2。[结论]浙优18在浙江衢州地区的最佳播期为5月10日—5月25日。

The aim was to provide a theoretical basis for timely sowing of rice Zheyou 18. [Method] A experiment was conducted to study the effects of sowing date on growth and yield of Zheyou 18. [Result] The results showed that Zheyou18 could normal heading and filling between April 10th and June 24th in Qujiang area, which had the highest yield of 12.35 t/hm2 when sowing seeds on May 17th. [Conclusion] The best sowing date of rice Zheyou 18 in Quzhou area were between May 10th and May 25th.