甬优系列籼粳杂交稻产量及氮素吸收利用的差异
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周磊,刘秋员,田晋钰,朱梦华,程爽,车阳,王志杰,邢志鹏,胡雅杰,刘国栋,魏海燕,张洪程
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Differences in yield and nitrogen absorption and utilization of indica-japonica hybrid rice varieties of Yongyou series
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Lei ZHOU,Qiu-Yuan LIU,Jin-Yu TIAN,Meng-Hua ZHU,Shuang CHENG,Yang CHE,Zhi-Jie WANG,Zhi-Peng XING,Ya-Jie HU,Guo-Dong LIU,Hai-Yan WEI,Hong-Cheng ZHANG
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表4 甬优系列籼粳杂交稻各生育阶段物质积累及其比例的差异...
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Table 4 Differences in dry matter accumulation and its ratio at main growing stages of indica-japonica hybrid rice varieties of Yongyou series ...
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品种类型
Type | 品种名称
Variety | 移栽-拔节 T-J | | 拔节-抽穗 J-H | | 抽穗-成熟 H-M | 群体总
干物重
Total dry matter
accumulation
(t hm-2) | 收获指数
Harvest
index | 积累量
Accumulate
(t hm-2) | 比例
RBT
(%) | 积累量
Accumulate
(t hm-2) | 比例
RBT
(%) | 积累量
Accumulate
(t hm-2) | 比例
RBT
(%) | | 2017 | | | | | | | | | | | | | 高产氮高效 | 甬优1662 Yongyou 1662 | 4.62 | 21.82 | | 8.60 | 40.56 | | 7.97 | 37.62 | 21.19 | 0.5251 | | HH | 甬优4949 Yongyou 4949 | 4.67 | 22.11 | | 8.59 | 40.71 | | 7.85 | 37.17 | 21.11 | 0.5226 | | 高产氮中效 | 甬优2640 Yongyou 2640 | 4.73 | 22.81 | | 8.40 | 40.55 | | 7.59 | 36.64 | 20.72 | 0.5160 | | HM | 甬优4953 Yongyou 4953 | 4.70 | 22.64 | | 8.54 | 41.13 | | 7.53 | 36.23 | 20.77 | 0.5112 | | 中产氮中效 | 甬优6715 Yongyou 6715 | 5.00 | 25.42 | | 8.13 | 41.33 | | 6.54 | 33.25 | 19.67 | 0.4964 | | MM | 甬优6760 Yongyou 6760 | 4.95 | 25.28 | | 8.10 | 41.33 | | 6.54 | 33.39 | 19.59 | 0.4978 | | HH平均值 HH mean | 4.64 b | 21.97 b | | 8.60 a | 40.63 a | | 7.91 a | 37.40 a | 21.15 a | 0.5239 a | | HM平均值 HM mean | 4.72 b | 22.73 b | | 8.47 a | 40.84 a | | 7.56 b | 36.44 a | 20.75 b | 0.5136 ab | | MM平均值 MM mean | 4.97 a | 25.35 a | | 8.11 b | 41.33 a | | 6.54 c | 33.32 b | 19.63 c | 0.4971 b | | 2018 | | | | | | | | | | | | | 高产氮高效 | 甬优1662 Yongyou 1662 | 4.82 | 22.45 | | 8.64 | 40.22 | | 8.02 | 37.33 | 21.48 | 0.5218 | | HH | 甬优4949 Yongyou 4949 | 4.79 | 22.36 | | 8.68 | 40.49 | | 7.97 | 37.16 | 21.44 | 0.5213 | | 高产氮中效 | 甬优2640 Yongyou 2640 | 4.81 | 23.19 | | 8.59 | 41.42 | | 7.34 | 35.39 | 20.74 | 0.5192 | | HM | 甬优4953 Yongyou 4953 | 4.85 | 23.27 | | 8.52 | 40.91 | | 7.46 | 35.82 | 20.83 | 0.5121 | | 中产氮中效 | 甬优6715 Yongyou 6715 | 5.11 | 25.93 | | 8.19 | 41.54 | | 6.41 | 32.54 | 19.71 | 0.5018 | | MM | 甬优6760 Yongyou 6760 | 5.17 | 26.26 | | 8.07 | 40.97 | | 6.45 | 32.77 | 19.69 | 0.5002 | | HH平均值 HH mean | 4.80 b | 22.41 c | | 8.66 a | 40.35 a | | 7.99 a | 37.24 a | 21.46 a | 0.5216 a | | HM平均值 HM mean | 4.83 b | 23.23 b | | 8.56 a | 41.17 a | | 7.40 b | 35.60 b | 20.78 b | 0.5156 a | | MM平均值 MM mean | 5.14 a | 26.09 a | | 8.13 b | 41.26 a | | 6.43 c | 32.65 c | 19.70 c | 0.5010 b |
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