甬优籼粳杂交稻栽后地上部干物质积累动态与特征分析

韦还和, 张徐彬, 葛佳琳, 孟天瑶, 陆钰, 李心月, 陶源, 丁恩浩, 陈英龙, 戴其根

Dynamics in above-ground biomass accumulation after transplanting and its characteristic analysis in Yongyou japonica/indica hybrids

WEI Huan-He, ZHANG Xu-Bin, GE Jia-Lin, MENG Tian-Yao, LU Yu, LI Xin-Yue, TAO Yuan, DING En-Hao, CHEN Ying-Long, DAI Qi-Gen

表2 各品种日产量、干物重与收获指数

Table 2 Grain yield per day, total biomass weight, and harvest index of tested varieties

年份 Year 品种类型 Variety type 品种 Variety 日产量 Grain yield per day (kg hm-2 d-1) 成熟期干物重 Total biomass weight at maturity (t hm-2) 收获指数 Harvest index 2015 籼粳杂交稻 JIH 甬优1540 Yongyou 1540 72.9 22.1 0.484 甬优4540 Yongyou 4540 72.5 22.2 0.481 平均值 Mean 72.7 a 22.2 a 0.483 b 常规粳稻 JC 镇稻13号 Zhendao 13 71.9 20.1 0.493 武运粳30 Wuyunjing 30 71.3 19.7 0.497 平均值 Mean 71.6 a 19.9 b 0.495 ab 杂交籼稻 IH 两优培九 Liangyoupeijiu 72.1 17.3 0.502 扬两优6号 Yangliangyou 6 71.6 17.0 0.505 平均值 Mean 71.9 a 17.2 c 0.504 a 2016 籼粳杂交稻 JIH 甬优1540 Yongyou 1540 74.0 22.3 0.482 甬优4540 Yongyou 4540 72.4 21.7 0.487 平均值 Mean 73.2 a 22.0 a 0.485 b 常规粳稻 JC 镇稻13号 Zhendao 13 73.0 20.2 0.495 武运粳30 Wuyunjing 30 71.7 20.0 0.491 平均值 Mean 72.3 a 20.1 b 0.493 ab 杂交籼稻 IH 两优培九 Liangyoupeijiu 71.6 17.2 0.504 扬两优6号 Yangliangyou 6 70.9 17.2 0.501 平均值 Mean 71.3 a 17.2 c 0.503 a