稻茬小麦氮高效品种产量构成和群体质量特征
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丁永刚,李福建,王亚华,汤小庆,杜同庆,朱敏,李春燕,朱新开,丁锦峰,郭文善
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Characteristics of yield components and population quality in high-nitrogen- utilization wheat cultivars
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Yong-Gang DING,Fu-Jian LI,Ya-Hua WANG,Xiao-Qing TANG,Tong-Qing DU,Min ZHU,Chun-Yan LI,Xin-Kai ZHU,Jin-Feng DING,Wen-Shan GUO
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表4 不同氮效率品种类型间主要生育时期干物质积累量的差异
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Table 4 Differences in dry matter accumulation at main stages among different NUR groups
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年度 Year | 地点 Site | 品种类型 Variety type | 干物质积累量 Dry matter accumulation (kg hm-2) | 孕穗期 Booting | 开花期 Anthesis | 成熟期 Maturity | 2016-2017 | 扬州 Yangzhou | 氮高效 NUR-H | 6253±430 a | 12728±289 a | 18664±617 a | 氮中效 NUR-M | 4741±566 b | 11041±853 b | 16121±1566 b | 氮低效 NUR-L | 4183±636 b | 9284±1028 c | 13301±1360 c | 睢宁 Suining | 氮高效 NUR-H | 8958±418 a | 13037±1015 a | 18954±1087 a | 氮中效 NUR-M | 8547±582 a | 11683±1092 a | 17505±1293 a | 氮低效 NUR-L | 7488±478 b | 10104±868 b | 14859±1201 b | 2017-2018 | 扬州 Yangzhou | 氮高效 NUR-H | 9134±328 a | 12372±664 a | 16498±790 a | 氮中效 NUR-M | 8655±278 ab | 11279±861 ab | 14981±693 b | 氮低效 NUR-L | 8099±494 b | 10335±810 b | 13794±941 b | 睢宁 Suining | 氮高效 NUR-H | 7984±526 a | 11704±604 a | 16342±332 a | 氮中效 NUR-M | 7235±752 ab | 10295±966 b | 14581±1147 b | 氮低效 NUR-L | 6625±744 b | 9195±976 b | 13260±1425 b |
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