Responses of Branch Number and Yield Component of Soybean Cultivars Tested in Different Planting Densities
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Site
2.2. Experimental Design
2.3. Plant Sampling and Analysis
2.4. Statistical Analysis
3. Results
3.1. Response of Yield and Yield Components to Planting Density
3.2. Response of Branching to Planting Density
3.3. Relationship between the Number of Seeds and Pods, and Branches
3.4. Branch Yield Contribution Rate
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Growing Month | Air Temperature (°C) | Rainfall (mm) | ||
---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | |
June | 22.6 | 29.1 | 75.4 | 59.9 |
July | 27.8 | 29.7 | 78.5 | 30.8 |
August | 29.5 | 27.1 | 72.7 | 114.6 |
September | 29.0 | 23.0 | 35.3 | 73.5 |
October | 16.3 | 16.4 | 0.2 | 64.5 |
Factor | Seed No. | Pod No. | Hundred-Seed | Yield | |||
---|---|---|---|---|---|---|---|
Plant−1 | Area (m−2) | Plant−1 | Area (m−2) | Weight (g) | (kg ha−1) | ||
Year | 2018 | 120.4 b | 2759.2 b | 53.2 a | 1215.2 a | 19.6 b | 4052 a |
2019 | 123.6 a | 2912.3 a | 51.6 b | 1190.8 b | 21.6 a | 3924 a | |
Cultivar | ZZXA12938 | 146.7 a | 3397.2 a | 60.4 a | 1364.8 a | 16.8 b | 4389 a |
ZH13 | 97.3 b | 2274.2 b | 44.4 b | 1041.2 b | 24.5 a | 3587 b | |
Density | 13.5 | 164.0 a | 2214.3 e | 67.6 a | 902.5 d | 19.8 d | 3053 e |
(104 × plant ha−1) | 18.0 | 144.6 b | 2602.1 d | 59.6 b | 1075.2 c | 20.2 c | 3546 d |
22.5 | 137.9 c | 3102.4 ab | 57.4 c | 1294.0 b | 20.4 c | 4012 c | |
27.0 | 111.8 d | 3135.0 a | 50.1 d | 1329.6 a | 20.9 b | 4315 b | |
31.5 | 95.2 e | 3036.2 b | 42.6 e | 1317.2 ab | 21.1 ab | 4477 a | |
36.0 | 78.7 f | 2924.4 c | 37.1 f | 1299.5 ab | 21.4 a | 4524 a | |
Cultivar (C) | *** | *** | *** | *** | *** | *** | |
Density (D) | *** | *** | *** | *** | *** | *** | |
C × D | *** | *** | *** | *** | *** | *** |
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Xu, C.; Li, R.; Song, W.; Wu, T.; Sun, S.; Hu, S.; Han, T.; Wu, C. Responses of Branch Number and Yield Component of Soybean Cultivars Tested in Different Planting Densities. Agriculture 2021, 11, 69. https://doi.org/10.3390/agriculture11010069
Xu C, Li R, Song W, Wu T, Sun S, Hu S, Han T, Wu C. Responses of Branch Number and Yield Component of Soybean Cultivars Tested in Different Planting Densities. Agriculture. 2021; 11(1):69. https://doi.org/10.3390/agriculture11010069
Chicago/Turabian StyleXu, Cailong, Ruidong Li, Wenwen Song, Tingting Wu, Shi Sun, Shuixiu Hu, Tianfu Han, and Cunxiang Wu. 2021. "Responses of Branch Number and Yield Component of Soybean Cultivars Tested in Different Planting Densities" Agriculture 11, no. 1: 69. https://doi.org/10.3390/agriculture11010069