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以超级稻及超高产组合两优1128、天优3301及Ⅱ优3301为材料,通过2 a试验,研究不同栽培模式对超级稻—再生稻产量形成的影响。结果表明:超级稻—再生稻在高产栽培模式下比在常规栽培模式下增产,产量最高为天优3301,在2012年及2013年分别为10.16和10.84 t/hm2;高产栽培模式增产的主要原因是超级稻—再生稻提高了有效穗数、千粒重、干物质累积量和叶面积指数;从3个组合的产量、主要农艺性状来分析,天优3301表现最好,其次是两优1128,最后为Ⅱ优3301。
The super rice and super high yielding combinations, Liangyou 1128, Tianyou 3301 and Ⅱyou 3301, were used as materials to investigate the effects of different cultivation modes on the yield formation of super rice-ratoon rice by 2-year experiment. The results showed that the super rice-ratoon rice increased yield under the high-yielding cultivation mode and the highest yield was Tianyou 3301, which was 10.16 and 10.84 t / hm2 respectively in 2012 and 2013. The main reason for high-yielding cultivation mode yield increase Super rice-ratoon rice increased the effective panicle number, 1000-grain weight, dry matter accumulation and leaf area index. According to the yield and agronomic traits of the three combinations, Tianyou 3301 performed the best, followed by Liangyou 1128, and finally Ⅱ You 3301.