Chin J Plant Ecol ›› 2007, Vol. 31 ›› Issue (2): 300-304.DOI: 10.17521/cjpe.2007.0034
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WANG Zhen-Yu1,2, LÁ Jin-Yin1, LI Feng-Min1,2,*(), XU Bing-Cheng1,2
Received:
2005-08-15
Accepted:
2006-03-28
Online:
2007-08-15
Published:
2007-03-30
Contact:
LI Feng-Min
WANG Zhen-Yu, LÁ Jin-Yin, LI Feng-Min, XU Bing-Cheng. EFFECT OF ROOT EXCISION ON COMPETITIVE ABILITY AND YIELD OF WINTER WHEAT[J]. Chin J Plant Ecol, 2007, 31(2): 300-304.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2007.0034
处理 Treatment | 籽粒产量 Yield (g·m-2) | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
W | D | |||||||||||||||||
A | 464.5±4.6b | 421.9±5.7a | ||||||||||||||||
B | 575.0±7.6a | 390.7±10.1b | ||||||||||||||||
Hc | 223.5±4.6d | 203.9±5.8d | ||||||||||||||||
Hn | 284.4±7.5c | 307.0±2.4c |
Table 1 Grain yield in monoculture and mixture of two root treatment
处理 Treatment | 籽粒产量 Yield (g·m-2) | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
W | D | |||||||||||||||||
A | 464.5±4.6b | 421.9±5.7a | ||||||||||||||||
B | 575.0±7.6a | 390.7±10.1b | ||||||||||||||||
Hc | 223.5±4.6d | 203.9±5.8d | ||||||||||||||||
Hn | 284.4±7.5c | 307.0±2.4c |
W | D | RYT | |||
---|---|---|---|---|---|
A | B | A | B | A | B |
0.96d | 0.99c | 0.96d | 1.58a | 0.98c | 1.26b |
Table 2 Relative yield of root excision (A) and non-excision (B) in mixture
W | D | RYT | |||
---|---|---|---|---|---|
A | B | A | B | A | B |
0.96d | 0.99c | 0.96d | 1.58a | 0.98c | 1.26b |
处理 Treatment | 株高 Height (cm) | 穗重 Spike weight (g·m-2) | 地上部生物量 Aerial biomass (g·m-2) | 根重 Root weight (g·m-2) | 根冠比 Root/shoot ratio (%) | |
---|---|---|---|---|---|---|
W | A | 79.1b | 634.9c | 1 223.0d | 156.1e | 12d |
B | 83.2a | 798.6a | 1 535.4b | 227.1c | 14c | |
D | A | 73.6cd | 606.4d | 1 107.6f | 181.1d | 17b |
B | 74.4c | 556.9e | 1 165.0e | 244.7b | 21a | |
W | Hc | 78.3b | 569.8e | 1 184.6e | 280.3a | 20a |
Hn | 78.7b | 787.0a | 1 434.4c | |||
D | Hc | 71.2e | 552.4e | 1 098.8f | 221.6c | 18b |
Hn | 72.0e | 750.2b | 1 570.4a |
Table 3 Height, spike weight, aerial biomass, root weight and root/shoot ratio
处理 Treatment | 株高 Height (cm) | 穗重 Spike weight (g·m-2) | 地上部生物量 Aerial biomass (g·m-2) | 根重 Root weight (g·m-2) | 根冠比 Root/shoot ratio (%) | |
---|---|---|---|---|---|---|
W | A | 79.1b | 634.9c | 1 223.0d | 156.1e | 12d |
B | 83.2a | 798.6a | 1 535.4b | 227.1c | 14c | |
D | A | 73.6cd | 606.4d | 1 107.6f | 181.1d | 17b |
B | 74.4c | 556.9e | 1 165.0e | 244.7b | 21a | |
W | Hc | 78.3b | 569.8e | 1 184.6e | 280.3a | 20a |
Hn | 78.7b | 787.0a | 1 434.4c | |||
D | Hc | 71.2e | 552.4e | 1 098.8f | 221.6c | 18b |
Hn | 72.0e | 750.2b | 1 570.4a |
处理 Treatment | 穗数 Spike number (m-2) | 穗粒数 Kernels per spike (m-2) | 千粒重 1 000 kernel weight (g) | 穗粒重 Kernel weight per spike (g) | |||||
---|---|---|---|---|---|---|---|---|---|
A | B | A | B | A | B | A | B | ||
W | 单播 Monocultures | 40.4b | 54.2b | 38.2a | 38.7b | 36.8b | 39.0a | 1.031a | 0.801d |
混播 Mixture | 44.9b | 60.2a | 37.1b | 38.2c | 36.4b | 38.7a | 0.976b | 0.943c | |
D | 单播 Monocultures | 37.5c | 43.0c | 35.7c | 39.6a | 41.0a | 37.6b | 1.033a | 1.002b |
混播 Mixture | 35.6c | 45.5c | 36.4c | 37.8c | 38.7b | 36.2b | 1.041a | 1.123a |
Table 4 Yield characteristics in monoculture and mixture of two root treatment
处理 Treatment | 穗数 Spike number (m-2) | 穗粒数 Kernels per spike (m-2) | 千粒重 1 000 kernel weight (g) | 穗粒重 Kernel weight per spike (g) | |||||
---|---|---|---|---|---|---|---|---|---|
A | B | A | B | A | B | A | B | ||
W | 单播 Monocultures | 40.4b | 54.2b | 38.2a | 38.7b | 36.8b | 39.0a | 1.031a | 0.801d |
混播 Mixture | 44.9b | 60.2a | 37.1b | 38.2c | 36.4b | 38.7a | 0.976b | 0.943c | |
D | 单播 Monocultures | 37.5c | 43.0c | 35.7c | 39.6a | 41.0a | 37.6b | 1.033a | 1.002b |
混播 Mixture | 35.6c | 45.5c | 36.4c | 37.8c | 38.7b | 36.2b | 1.041a | 1.123a |
处理 Treatment | 分蘖数 Tiller number | 收获指数 Harvesting index | |||
---|---|---|---|---|---|
A | B | A | B | ||
W | 单播 Monocultures | 2.58a | 2.71b | 0.41a | 0.37b |
混播 Mixture | 2.16b | 3.11a | 0.38b | 0.40a | |
D | 单播 Monocultures | 2.10b | 2.32c | 0.38b | 0.33c |
混播 Mixture | 1.97c | 2.74b | 0.37b | 0.39a |
Table 5 Average tiller in monoculture and mixture of two root treatment
处理 Treatment | 分蘖数 Tiller number | 收获指数 Harvesting index | |||
---|---|---|---|---|---|
A | B | A | B | ||
W | 单播 Monocultures | 2.58a | 2.71b | 0.41a | 0.37b |
混播 Mixture | 2.16b | 3.11a | 0.38b | 0.40a | |
D | 单播 Monocultures | 2.10b | 2.32c | 0.38b | 0.33c |
混播 Mixture | 1.97c | 2.74b | 0.37b | 0.39a |
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