不同株型冬小麦光合―灌浆协同特性及其对产量构成的影响
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李加汇, 陈如雪, 白红波, 王永华
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Photosynthesis-Grain Filling Coordination Characteristics of Winter Wheat with Different Plant Types and Their Impact on Yield Components
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Li Jiahui, Chen Ruxue, Bai Hongbo, Wang Yonghua
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表5 不同株型冬小麦品系氮素积累量及籽粒分配
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Table 5 Nitrogen accumulation and grain distribution of winter wheat lines with different plant types
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品系
Line | 开花期氮素积累量
Nitrogen
accumulation
at anthesis
(kg/hm2) | 开花期氮素转运量
Nitrogen
translocation
amount at anthesis
(kg/hm2) | 成熟期
氮素积累量
Nitrogen
accumulation at
maturity (kg/hm2) | 花前氮素对籽粒
氮素的贡献率
Contribution rate of
pre-anthesis nitrogen
to grain nitrogen (%) | 花后氮素对籽粒
氮素的贡献率
Contribution rate of
post-anthesis nitrogen
to grain nitrogen (%) | 开花期氮素转运率
Nitrogen
translocation
rate at
anthesis (%) | | YN710 | 250.70b | 199.50a | 273.70b | 89.67a | 10.33b | 79.61a | | YN711 | 218.18c | 168.93b | 263.56b | 78.82b | 21.18a | 77.52a | | YN712 | 284.65a | 208.99a | 309.74a | 89.39a | 10.61b | 73.47a |
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