Journal of Agricultural Science and Technology ›› 2025, Vol. 27 ›› Issue (1): 61-71.DOI: 10.13304/j.nykjdb.2023.0185
• BIOTECHNOLOGY & LIFE SCIENCE • Previous Articles Next Articles
Songjiang DUAN1(), Haoran HU1, Chengjie ZHANG1, Wei SUN1, Yifan WU1, Rensong GUO2, Jusong ZHANG1(
)
Received:
2023-03-13
Accepted:
2023-05-29
Online:
2025-01-15
Published:
2025-01-21
Contact:
Jusong ZHANG
段松江1(), 胡浩然1, 张承洁1, 孙伟1, 吴一帆1, 郭仁松2, 张巨松1(
)
通讯作者:
张巨松
作者简介:
段松江 E-mail:1578442341@qq.com;
基金资助:
CLC Number:
Songjiang DUAN, Haoran HU, Chengjie ZHANG, Wei SUN, Yifan WU, Rensong GUO, Jusong ZHANG. Differences in Nitrogen Efficiency of Different Genotypes of Island Cotton and Their Effects on Photosynthetic Characteristics and Yield[J]. Journal of Agricultural Science and Technology, 2025, 27(1): 61-71.
段松江, 胡浩然, 张承洁, 孙伟, 吴一帆, 郭仁松, 张巨松. 不同基因型海岛棉的氮效率差异及其对光合特性和产量的影响[J]. 中国农业科技导报, 2025, 27(1): 61-71.
土层 Soil layer/cm | 全氮 Total nitrogen/ (g·kg-1) | 有机质 Organic matter/ (g·kg-1) | 碱解氮 Alkaline hydrolyzable nitrogen/(mg·kg-1) | 速效磷 Available phosphorus/(mg·kg-1) | 速效钾 Available potassium/(mg·kg-1) | pH |
---|---|---|---|---|---|---|
0—10 | 0.3 | 4.6 | 13.8 | 9.1 | 53.9 | 8.6 |
10—20 | 0.6 | 9.8 | 25.3 | 25.4 | 97.7 | 8.8 |
20—30 | 0.7 | 11.2 | 47.6 | 40.2 | 130.8 | 8.4 |
30—40 | 0.5 | 8.3 | 30.2 | 13.1 | 91.9 | 8.5 |
40—50 | 0.4 | 8.6 | 23.7 | 10.2 | 106.1 | 8.6 |
50—60 | 0.7 | 9.5 | 35.7 | 30.2 | 116.7 | 8.7 |
60—70 | 0.7 | 8.9 | 26.8 | 17.0 | 110.6 | 8.9 |
70—80 | 0.3 | 6.3 | 10.9 | 13.0 | 101.5 | 8.5 |
Table 1 Soil base fertility
土层 Soil layer/cm | 全氮 Total nitrogen/ (g·kg-1) | 有机质 Organic matter/ (g·kg-1) | 碱解氮 Alkaline hydrolyzable nitrogen/(mg·kg-1) | 速效磷 Available phosphorus/(mg·kg-1) | 速效钾 Available potassium/(mg·kg-1) | pH |
---|---|---|---|---|---|---|
0—10 | 0.3 | 4.6 | 13.8 | 9.1 | 53.9 | 8.6 |
10—20 | 0.6 | 9.8 | 25.3 | 25.4 | 97.7 | 8.8 |
20—30 | 0.7 | 11.2 | 47.6 | 40.2 | 130.8 | 8.4 |
30—40 | 0.5 | 8.3 | 30.2 | 13.1 | 91.9 | 8.5 |
40—50 | 0.4 | 8.6 | 23.7 | 10.2 | 106.1 | 8.6 |
50—60 | 0.7 | 9.5 | 35.7 | 30.2 | 116.7 | 8.7 |
60—70 | 0.7 | 8.9 | 26.8 | 17.0 | 110.6 | 8.9 |
70—80 | 0.3 | 6.3 | 10.9 | 13.0 | 101.5 | 8.5 |
Fig. 2 Leaf area per plant of island cottons with different genotypesNote:Different lowercase letters indicate significant differences at P<0.05 level.
Fig. 5 Genotypic differences in Wk values of island cottons with different genotypesNote: * and ** indicate significant differences at the P<0.05 and P<0.01 levels, respectively; ns indicates no significant.
品种Variety | 处理Treatment | VJ | Mo | φPo | ψo | φEo |
---|---|---|---|---|---|---|
XH14 | N0 | 0.50±0.04 bc | 0.76±0.1 ab | 0.75±0.01 abc | 0.50±0.04 ab | 0.38±0.04 abc |
N1 | 0.38±0.03 c | 0.54±0.07 b | 0.79±0.04 ab | 0.62±0.03 a | 0.49±0.04 ab | |
N2 | 0.65±0.11 a | 1.04±0.32 a | 0.68±0.08 c | 0.35±0.11 c | 0.24±0.11 c | |
MC10 | N0 | 0.53±0.06 ab | 0.79±0.11 ab | 0.75±0.03 abc | 0.47±0.06 bc | 0.35±0.06 bc |
N1 | 0.37±0.05 c | 0.52±0.05 b | 0.80±0.01 a | 0.63±0.05 a | 0.51±0.04 a | |
N2 | 0.66±0.09 a | 1.05±0.17 a | 0.71±0.03 bc | 0.34±0.09 c | 0.24±0.08 c | |
品种Variety | ns | ns | ns | ns | ns | |
氮肥Nitrogen fertilizer | ** | ** | ** | ** | ** | |
品种×氮肥Variety×nitrogen fertilizer | ns | ns | ns | ns | ns |
Table 2 Receptor-side changes in photosynthetic system of leaves of island cottons with different genotypes at the cotton boll period
品种Variety | 处理Treatment | VJ | Mo | φPo | ψo | φEo |
---|---|---|---|---|---|---|
XH14 | N0 | 0.50±0.04 bc | 0.76±0.1 ab | 0.75±0.01 abc | 0.50±0.04 ab | 0.38±0.04 abc |
N1 | 0.38±0.03 c | 0.54±0.07 b | 0.79±0.04 ab | 0.62±0.03 a | 0.49±0.04 ab | |
N2 | 0.65±0.11 a | 1.04±0.32 a | 0.68±0.08 c | 0.35±0.11 c | 0.24±0.11 c | |
MC10 | N0 | 0.53±0.06 ab | 0.79±0.11 ab | 0.75±0.03 abc | 0.47±0.06 bc | 0.35±0.06 bc |
N1 | 0.37±0.05 c | 0.52±0.05 b | 0.80±0.01 a | 0.63±0.05 a | 0.51±0.04 a | |
N2 | 0.66±0.09 a | 1.05±0.17 a | 0.71±0.03 bc | 0.34±0.09 c | 0.24±0.08 c | |
品种Variety | ns | ns | ns | ns | ns | |
氮肥Nitrogen fertilizer | ** | ** | ** | ** | ** | |
品种×氮肥Variety×nitrogen fertilizer | ns | ns | ns | ns | ns |
Fig. 6 Leaf fluorescence parameters and photochemical performance indexes of island cottons with different genotypes at boll stageNote: Different lowercase letters indicate significant differences between different treatments of same variety at P<0.05 level.
品种 Variety | 处理 Treatment | 株数/(×104 株·hm-2) Number of plants (×104 plant·hm-2) | 单株结铃数Boll number per plant | 单铃重 Boll weight/g | 衣分 Lint percentage/% | 籽棉产量 Seed cotton yield/ (kg·hm-2) |
---|---|---|---|---|---|---|
XH14 | N0 | 21.3±1.0 a | 7.1±0.04 bc | 2.6±0.15 c | 33.7±0.005 a | 3 983.4±95.2 d |
N1 | 21.3±0.8 a | 7.4±0.24 c | 3.0±0.14 ab | 31.7±0.003 a | 4 896.9±141.4 c | |
N2 | 21.0±0.5 a | 9.0±1.16 ab | 3.1±0.05 ab | 32.7±0.010 a | 4 735.4±783.7 c | |
MC10 | N0 | 21.2±0.5 a | 7.7 ±0.77 bc | 3.0±0.22 ab | 32.0±0.001 a | 4 883.2±74.7 c |
N1 | 21.0±0.8 a | 8.4±0.25 bc | 2.8±0.08 bc | 33.3±0.031 a | 5 847.7±345.3 b | |
N2 | 21.1±0.4 a | 9.9±0.25 a | 3.2±0.07 a | 31.7±0.005 a | 6 711.9±183.2 a | |
品种Variety | ns | ** | * | ns | ** | |
氮肥Nitrogen fertilizer | ns | ns | ** | ns | ** | |
品种×氮肥Variety×nitrogen fertilizer | ns | ns | ns | ns | ** |
Table 3 Yield and yield components of island cottons with different genotypes
品种 Variety | 处理 Treatment | 株数/(×104 株·hm-2) Number of plants (×104 plant·hm-2) | 单株结铃数Boll number per plant | 单铃重 Boll weight/g | 衣分 Lint percentage/% | 籽棉产量 Seed cotton yield/ (kg·hm-2) |
---|---|---|---|---|---|---|
XH14 | N0 | 21.3±1.0 a | 7.1±0.04 bc | 2.6±0.15 c | 33.7±0.005 a | 3 983.4±95.2 d |
N1 | 21.3±0.8 a | 7.4±0.24 c | 3.0±0.14 ab | 31.7±0.003 a | 4 896.9±141.4 c | |
N2 | 21.0±0.5 a | 9.0±1.16 ab | 3.1±0.05 ab | 32.7±0.010 a | 4 735.4±783.7 c | |
MC10 | N0 | 21.2±0.5 a | 7.7 ±0.77 bc | 3.0±0.22 ab | 32.0±0.001 a | 4 883.2±74.7 c |
N1 | 21.0±0.8 a | 8.4±0.25 bc | 2.8±0.08 bc | 33.3±0.031 a | 5 847.7±345.3 b | |
N2 | 21.1±0.4 a | 9.9±0.25 a | 3.2±0.07 a | 31.7±0.005 a | 6 711.9±183.2 a | |
品种Variety | ns | ** | * | ns | ** | |
氮肥Nitrogen fertilizer | ns | ns | ** | ns | ** | |
品种×氮肥Variety×nitrogen fertilizer | ns | ns | ns | ns | ** |
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