Journal of Agricultural Science and Technology ›› 2023, Vol. 25 ›› Issue (4): 32-44.DOI: 10.13304/j.nykjdb.2023.0235
• BIOTECHNOLOGY & LIFE SCIENCE • Previous Articles Next Articles
Pan LIU1(), Shan GAO1, Haoyu LI2, Yi WANG2, Baozhong YIN2, Jinkao GUO3, Wenchao ZHEN1,4,5(
)
Received:
2023-03-28
Accepted:
2023-04-12
Online:
2023-04-01
Published:
2023-06-26
Contact:
Wenchao ZHEN
刘盼1(), 高珊1, 李浩宇2, 王翼2, 尹宝重2, 郭进考3, 甄文超1,4,5(
)
通讯作者:
甄文超
作者简介:
刘盼 E-mail:liupan198612@163.com;
基金资助:
CLC Number:
Pan LIU, Shan GAO, Haoyu LI, Yi WANG, Baozhong YIN, Jinkao GUO, Wenchao ZHEN. Effects of Row Space Reduction and Plant Space Expansion on Tillers Number in Wheat and Its Physiological Mechanism[J]. Journal of Agricultural Science and Technology, 2023, 25(4): 32-44.
刘盼, 高珊, 李浩宇, 王翼, 尹宝重, 郭进考, 甄文超. 缩行匀株对小麦分蘖的影响及其生理机制[J]. 中国农业科技导报, 2023, 25(4): 32-44.
处理Treatment | 2019—2020 | 2020—2021 | ||||
---|---|---|---|---|---|---|
播前 Before sowing | 拔节期 Jointing stage | 播前 Before sowing | 拔节期 Jointing stage | 开花期 Anthei stage | ||
15.0RS | SD1 | 538.5 | 873.0 | 384.0 | 631.5 | 826.5 |
SD2 | 552.0 | 852.0 | 412.5 | 606.0 | 831.0 | |
SD3 | 580.5 | 798.0 | 423.0 | 568.5 | 790.5 | |
7.5RS | SD1 | 568.5 | 822.0 | 336.0 | 591.0 | 756.0 |
SD2 | 594.0 | 766.5 | 388.5 | 564.0 | 733.5 | |
SD3 | 550.5 | 723.0 | 393.0 | 525.0 | 678.0 |
Table 1 Irrigation amount of wheat fields under different treatments in different periods
处理Treatment | 2019—2020 | 2020—2021 | ||||
---|---|---|---|---|---|---|
播前 Before sowing | 拔节期 Jointing stage | 播前 Before sowing | 拔节期 Jointing stage | 开花期 Anthei stage | ||
15.0RS | SD1 | 538.5 | 873.0 | 384.0 | 631.5 | 826.5 |
SD2 | 552.0 | 852.0 | 412.5 | 606.0 | 831.0 | |
SD3 | 580.5 | 798.0 | 423.0 | 568.5 | 790.5 | |
7.5RS | SD1 | 568.5 | 822.0 | 336.0 | 591.0 | 756.0 |
SD2 | 594.0 | 766.5 | 388.5 | 564.0 | 733.5 | |
SD3 | 550.5 | 723.0 | 393.0 | 525.0 | 678.0 |
年份 Year | 处理 Treatment | 苗数 Seedling number/(104·hm-2) | 分蘖数Tillers number | 生物量Biomass | |||||
---|---|---|---|---|---|---|---|---|---|
单株 Per plant | ≥3叶 ≥3 leaf | ≥3叶占比 ≥3 leaf ratio/% | 单株 Per plant/g | 分蘖 Tiller/g | 分蘖占比 Ratio of tiller/% | ||||
2019 | SD1 | 15.0RS | 342.0 | 2.7 b | 1.9 b | 70.6 a | 0.39 b | 0.19 b | 48.8 b |
7.5RS | 327.0 | 3.5 a | 2.4 a | 67.9 a | 0.48 a | 0.26 a | 53.9 a | ||
SD2 | 15.0RS | 370.5 | 2.1 b | 1.5 b | 71.9 b | 0.33 b | 0.14 b | 40.5 b | |
7.5RS | 361.5 | 2.8 a | 2.3 a | 81.9 a | 0.40 a | 0.19 a | 48.9 a | ||
SD3 | 15.0RS | 409.5 | 1.5 b | 0.9 b | 61.7 b | 0.22 b | 0.07 b | 31.6 b | |
7.5RS | 423.0 | 1.8 a | 1.4 a | 75.8 a | 0.26 a | 0.11 a | 42.6 a | ||
2020 | SD1 | 15.0RS | 328.5 | 2.9 b | 2.1 b | 71.3 a | 0.43 b | 0.21 b | 49.1 b |
7.5RS | 339.0 | 3.6 a | 2.6 a | 71.8 a | 0.49 a | 0.27 a | 55.9 a | ||
SD2 | 15.0RS | 369.0 | 2.3 b | 1.8 b | 78.2 b | 0.36 b | 0.16 b | 43.4 b | |
7.5RS | 366.0 | 2.9 a | 2.4 a | 84.0 a | 0.43 a | 0.22 a | 49.5 a | ||
SD3 | 15.0RS | 403.5 | 1.2 b | 0.8 b | 64.2 b | 0.23 b | 0.08 b | 33.5 b | |
7.5RS | 409.5 | 1.7 a | 1.3 a | 75.0 a | 0.28 a | 0.11 a | 39.5 a | ||
年份 Y | ns | ns | ns | ns | ** | ** | ns | ||
播期 SD | ** | ** | ** | ns | ** | ** | ** | ||
行距 RS | ns | ** | ** | ** | ** | ** | ** | ||
年份×播期Y×SD | ns | ** | ns | ns | ns | ns | ns | ||
年份×行距Y×RS | ns | ns | ns | ** | ns | ns | ns | ||
播期×行距SD×RS | ns | ns | ns | ns | ns | ns | ns | ||
年份×播期×行距Y×SD×RS | ns | ns | ns | ns | ns | ns | ns |
Table 2 Tillers number and biomass under different treatments
年份 Year | 处理 Treatment | 苗数 Seedling number/(104·hm-2) | 分蘖数Tillers number | 生物量Biomass | |||||
---|---|---|---|---|---|---|---|---|---|
单株 Per plant | ≥3叶 ≥3 leaf | ≥3叶占比 ≥3 leaf ratio/% | 单株 Per plant/g | 分蘖 Tiller/g | 分蘖占比 Ratio of tiller/% | ||||
2019 | SD1 | 15.0RS | 342.0 | 2.7 b | 1.9 b | 70.6 a | 0.39 b | 0.19 b | 48.8 b |
7.5RS | 327.0 | 3.5 a | 2.4 a | 67.9 a | 0.48 a | 0.26 a | 53.9 a | ||
SD2 | 15.0RS | 370.5 | 2.1 b | 1.5 b | 71.9 b | 0.33 b | 0.14 b | 40.5 b | |
7.5RS | 361.5 | 2.8 a | 2.3 a | 81.9 a | 0.40 a | 0.19 a | 48.9 a | ||
SD3 | 15.0RS | 409.5 | 1.5 b | 0.9 b | 61.7 b | 0.22 b | 0.07 b | 31.6 b | |
7.5RS | 423.0 | 1.8 a | 1.4 a | 75.8 a | 0.26 a | 0.11 a | 42.6 a | ||
2020 | SD1 | 15.0RS | 328.5 | 2.9 b | 2.1 b | 71.3 a | 0.43 b | 0.21 b | 49.1 b |
7.5RS | 339.0 | 3.6 a | 2.6 a | 71.8 a | 0.49 a | 0.27 a | 55.9 a | ||
SD2 | 15.0RS | 369.0 | 2.3 b | 1.8 b | 78.2 b | 0.36 b | 0.16 b | 43.4 b | |
7.5RS | 366.0 | 2.9 a | 2.4 a | 84.0 a | 0.43 a | 0.22 a | 49.5 a | ||
SD3 | 15.0RS | 403.5 | 1.2 b | 0.8 b | 64.2 b | 0.23 b | 0.08 b | 33.5 b | |
7.5RS | 409.5 | 1.7 a | 1.3 a | 75.0 a | 0.28 a | 0.11 a | 39.5 a | ||
年份 Y | ns | ns | ns | ns | ** | ** | ns | ||
播期 SD | ** | ** | ** | ns | ** | ** | ** | ||
行距 RS | ns | ** | ** | ** | ** | ** | ** | ||
年份×播期Y×SD | ns | ** | ns | ns | ns | ns | ns | ||
年份×行距Y×RS | ns | ns | ns | ** | ns | ns | ns | ||
播期×行距SD×RS | ns | ns | ns | ns | ns | ns | ns | ||
年份×播期×行距Y×SD×RS | ns | ns | ns | ns | ns | ns | ns |
Fig. 1 Contents of IAA and ZR in wheat tiller nodes under different treatmentsNote:* and ** indicate significant differences between 7.5RS and 15.0RS treatments at P<0.05 and P<0.01 levels, respectively; 7.5RS-15.0RS represents difference value between 7.5RS and 15.0RS treatments; different color lines in the figure indicate the distribution of content.
Fig. 2 Contents of SLs and GA in wheat tillers node under different treatmentsNote:* and ** indicate significant differences between 7.5RS and 15.0RS treatments at P<0.05 and P<0.01 levels, respectively; 7.5RS-15.0RS represents difference value between 7.5RS and 15.0RS treatments; different color lines in the figure indicate the distribution of content.
Fig. 3 Contents of BR and CTK in wheat tillers node under different treatmentsNote:* and ** indicate significant differences between 7.5RS and 15.0RS treatments at P<0.05 and P<0.01 levels, respectively; 7.5RS-15.0RS represents difference value between 7.5RS and 15.0RS treatments; different color lines in the figure indicate the distribution of content.
Fig. 4 IAA/ZR and SLs/GA of wheat tillers node different treatmentsNote:* and ** indicate significant differences between 7.5RS and 15.0RS treatments at P<0.05 and P<0.01 levels, respectively; 7.5RS-15.0RS represents difference value between 7.5RS and 15.0RS treatments; different color lines in the figure indicate the distribution of ratio.
Fig. 5 BR/SLs and BR/CTK of wheat tillers node under different treatmentsNote:* and ** indicate significant differences between 7.5RS and 15.0RS treatments at P<0.05 and P<0.01 levels, respectively; 7.5RS-15.0RS represents difference value between 7.5RS and 15.0RS treatments; different color lines in the figure indicate the distribution of ratio.
Fig. 6 Content of SA in wheat tillers node under different treatmentsNote:* and ** indicate significant differences between 7.5RS and 15.0RS treatments at P<0.05 and P<0.01 levels, respectively; 7.5RS-15.0RS represents difference value between 7.5RS and 15.0RS treatments; different color lines in the figure indicate the distribution of content.
Fig. 7 Correlation between tillers number and phytohormone, SA content of wheat tillers node under RRPE treatmentNote:* indicates significant correlation at P<0.05 level.
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