长江中下游地区常规中熟粳稻氮效率综合评价及高产氮高效品种筛选
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刘秋员,周磊,田晋钰,程爽,陶钰,邢志鹏,刘国栋,魏海燕,张洪程
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Comprehensive Evaluation of Nitrogen Efficiency and Screening of Varieties with High Grain Yield and High Nitrogen Efficiency of Inbred Middle-Ripe Japonica Rice in the Middle and Lower Reaches of Yangtze River
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LIU QiuYuan,ZHOU Lei,TIAN JinYu,CHENG Shuang,TAO Yu,XING ZhiPeng,LIU GuoDong,WEI HaiYan,ZHANG HongCheng
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表8 不同产量-氮效率类型的干物质和氮素积累
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Table 8 Dry matter weight and nitrogen content of different grain yield and nitrogen efficiency types
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年份
Year | 产量-氮
效率类型
GYNET | 指标
Trait | 茎干重
SDM
(t·hm-2) | 叶干重
LDM
(t·hm-2) | 穗干重
PDM
(t·hm-2) | 总干重
TDM
(t·hm-2) | 茎吸氮量
SNC
(kg·hm-2) | 叶吸氮量
LNC
(kg·hm-2) | 穗吸氮量
PNC
(kg·hm-2) | 总吸氮量
TNC
(kg·hm-2) |
|---|
| 2017 | Ⅰ | 变幅 Range | 5.63-7.44 | 2.96-4.37 | 8.68-10.99 | 18.56-21.25 | 52.45-84.95 | 43.89-67.41 | 113.42-149.51 | 227.38-270.38 | | 变异系数 CV (%) | 7.33 | 9.14 | 6.01 | 3.98 | 12.20 | 11.69 | 7.38 | 4.72 | | 平均值 Mean | 6.44a | 3.54a | 9.95a | 19.93a | 64.35a | 53.48a | 131.60a | 249.42a | | Ⅱ | 变幅 Range | 4.79-6.97 | 2.49-4.14 | 7.35-9.76 | 15.28-20.11 | 49.90-76.20 | 36.62-67.06 | 99.58-135.63 | 207.82-253.72 | | 变异系数 CV (%) | 7.41 | 10.16 | 5.54 | 4.72 | 11.22 | 12.47 | 5.97 | 4.44 | | 平均值 Mean | 6.06b | 3.32b | 8.90b | 18.27b | 63.44a | 52.04a | 120.88b | 236.37b | | Ⅲ | 变幅 Range | 4.62-6.28 | 2.24-3.89 | 6.93-9.02 | 14.56-18.31 | 43.92-66.82 | 38.06-70.98 | 89.19-129.54 | 194.77-242.98 | | 变异系数 CV (%) | 7.93 | 13.00 | 6.08 | 5.94 | 10.31 | 13.48 | 8.14 | 5.44 | | 平均值 Mean | 5.54c | 2.97c | 8.30c | 16.80c | 55.60b | 50.58a | 114.75c | 220.93c | | 2018 | Ⅰ | 变幅 Range | 5.61-7.11 | 3.02-3.83 | 9.29-11.63 | 18.63-21.23 | 46.63-68.80 | 37.03-55.14 | 108.10-144.78 | 208.18-246.13 | | 变异系数 CV (%) | 5.78 | 6.15 | 5.16 | 3.18 | 9.65 | 8.92 | 7.37 | 3.79 | | 平均值 Mean | 6.37a | 3.33a | 10.32a | 20.02a | 57.48 a | 44.64 a | 128.00 a | 230.12 a | | Ⅱ | 变幅 Range | 5.16-6.94 | 2.42-3.83 | 7.78-10.08 | 16.54-20.12 | 44.90-73.85 | 35.27-58.01 | 99.49-133.55 | 193.36-239.16 | | 变异系数 CV (%) | 7.68 | 11.09 | 5.16 | 4.49 | 11.62 | 15.57 | 7.68 | 4.93 | | 平均值 Mean | 6.03 b | 3.10 b | 9.25 b | 18.39 b | 57.20 a | 43.44 a | 117.48 b | 218.11 b | | Ⅲ | 变幅 Range | 4.78-6.64 | 2.15-3.30 | 7.20-9.73 | 14.77-18.50 | 37.95-66.34 | 25.96-49.08 | 89.37-125.45 | 175.72-220.35 | | 变异系数 CV (%) | 7.67 | 9.89 | 6.44 | 5.30 | 12.13 | 12.56 | 8.14 | 5.46 | | 平均值 Mean | 5.70 c | 2.83 c | 8.48 c | 17.01 c | 54.03 a | 39.97 b | 110.49 c | 204.50 c |
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