Acta Prataculturae Sinica ›› 2022, Vol. 31 ›› Issue (10): 145-153.DOI: 10.11686/cyxb2022128
Tao ZHOU(), Le MU, Kai-qi SU, Jun-yu ZHANG, Hui-min YANG()
Received:
2022-03-25
Revised:
2022-05-05
Online:
2022-10-20
Published:
2022-09-14
Contact:
Hui-min YANG
Tao ZHOU, Le MU, Kai-qi SU, Jun-yu ZHANG, Hui-min YANG. Effects of intercropping ratio and regulated deficit irrigation on flag leaf traits of spring wheat at the grain filling stage in spring wheat-alfalfa intercropping[J]. Acta Prataculturae Sinica, 2022, 31(10): 145-153.
因素 Factor | 叶面积 Leaf area | 叶长宽比 Leaf length/ width | 比叶重 Specific leaf weight | 叶干物质含量 Leaf dry matter content | 叶氮浓度 Leaf nitrogen concentration | 叶绿素含量 Chlorophyll content |
---|---|---|---|---|---|---|
间作比例Intercropping ratio (Ir) | 50.482*** | 13.737*** | 11.200*** | 5.727** | 21.381*** | 16.923*** |
灌溉量Irrigation amount (Ia) | 19.013*** | 26.920*** | 33.260*** | 5.090** | 17.091*** | 67.745*** |
间作比例×灌溉量Ir×Ia | 8.851*** | 12.628*** | 1.708 | 5.539* | 6.457*** | 6.979*** |
Table 1 Analysis on effects of intercropping ratio and irrigation amount on flag leaf traits of spring wheat at the grain filling stage
因素 Factor | 叶面积 Leaf area | 叶长宽比 Leaf length/ width | 比叶重 Specific leaf weight | 叶干物质含量 Leaf dry matter content | 叶氮浓度 Leaf nitrogen concentration | 叶绿素含量 Chlorophyll content |
---|---|---|---|---|---|---|
间作比例Intercropping ratio (Ir) | 50.482*** | 13.737*** | 11.200*** | 5.727** | 21.381*** | 16.923*** |
灌溉量Irrigation amount (Ia) | 19.013*** | 26.920*** | 33.260*** | 5.090** | 17.091*** | 67.745*** |
间作比例×灌溉量Ir×Ia | 8.851*** | 12.628*** | 1.708 | 5.539* | 6.457*** | 6.979*** |
指标 Index | 灌溉量 Irrigation amount | 间作比例Intercropping ratio | ||
---|---|---|---|---|
SW | 12W4A | 8W4A | ||
叶面积 Leaf area (cm2) | I450 | 12.12±0.95Ab | 7.32±0.18Bab | 7.89±0.12Bb |
I360 | 15.64±2.29Aa | 8.71±0.83Ba | 9.51±1.14Ba | |
I270 | 9.46±0.21Ac | 8.39±1.42Aa | 9.20±0.85Aab | |
I180 | 8.84±0.70Ac | 5.86±0.06Bb | 8.93±0.26Aab | |
叶长宽比 Leaf length/width (mm·mm-1) | I450 | 7.40±0.28Bb | 11.80±0.43Aa | 11.94±0.16Aa |
I360 | 11.97±1.69Aa | 11.26±0.54Aa | 10.85±0.18Aa | |
I270 | 11.25±0.29Aa | 8.87±0.54Bb | 11.21±1.66Aa | |
I180 | 6.84±0.84Bb | 5.37±1.36Bc | 10.44±1.33Aa |
Table 2 Flag leaf area and leaf length/width under different intercropping ratios and irrigation amounts
指标 Index | 灌溉量 Irrigation amount | 间作比例Intercropping ratio | ||
---|---|---|---|---|
SW | 12W4A | 8W4A | ||
叶面积 Leaf area (cm2) | I450 | 12.12±0.95Ab | 7.32±0.18Bab | 7.89±0.12Bb |
I360 | 15.64±2.29Aa | 8.71±0.83Ba | 9.51±1.14Ba | |
I270 | 9.46±0.21Ac | 8.39±1.42Aa | 9.20±0.85Aab | |
I180 | 8.84±0.70Ac | 5.86±0.06Bb | 8.93±0.26Aab | |
叶长宽比 Leaf length/width (mm·mm-1) | I450 | 7.40±0.28Bb | 11.80±0.43Aa | 11.94±0.16Aa |
I360 | 11.97±1.69Aa | 11.26±0.54Aa | 10.85±0.18Aa | |
I270 | 11.25±0.29Aa | 8.87±0.54Bb | 11.21±1.66Aa | |
I180 | 6.84±0.84Bb | 5.37±1.36Bc | 10.44±1.33Aa |
指标 Index | 灌溉量 Irrigation amount | 间作比例 Intercropping ratio | ||
---|---|---|---|---|
SW | 12W4A | 8W4A | ||
叶氮浓度 Leaf nitrogen concentration (mg·g-1) | I450 | 17.7±1.99Ab | 17.9±1.54Ab | 15.9±0.25Ab |
I360 | 19.6±2.50Ab | 18.7±2.84Ab | 13.1±1.33Bc | |
I270 | 19.6±0.48Ab | 17.2±1.34Bb | 19.7±0.95Aa | |
I180 | 25.4±0.95Aa | 22.5±1.45Ba | 17.2±0.81Cb | |
叶绿素含量 Chlorophyll content (mg·g-1) | I450 | 32.4±1.80Ab | 29.2±2.98Ab | 28.7±0.20Ac |
I360 | 35.2±0.62Ab | 37.9±3.41Aa | 25.3±1.04Bd | |
I270 | 44.4±0.19Aa | 39.0±3.78Ba | 42.7±1.46ABa | |
I180 | 44.8±2.30Aa | 44.0±3.76ABa | 38.6±1.66Bb |
Table 3 Flag leaf nitrogen concentration and chlorophyll content under different intercropping ratios and irrigation amounts
指标 Index | 灌溉量 Irrigation amount | 间作比例 Intercropping ratio | ||
---|---|---|---|---|
SW | 12W4A | 8W4A | ||
叶氮浓度 Leaf nitrogen concentration (mg·g-1) | I450 | 17.7±1.99Ab | 17.9±1.54Ab | 15.9±0.25Ab |
I360 | 19.6±2.50Ab | 18.7±2.84Ab | 13.1±1.33Bc | |
I270 | 19.6±0.48Ab | 17.2±1.34Bb | 19.7±0.95Aa | |
I180 | 25.4±0.95Aa | 22.5±1.45Ba | 17.2±0.81Cb | |
叶绿素含量 Chlorophyll content (mg·g-1) | I450 | 32.4±1.80Ab | 29.2±2.98Ab | 28.7±0.20Ac |
I360 | 35.2±0.62Ab | 37.9±3.41Aa | 25.3±1.04Bd | |
I270 | 44.4±0.19Aa | 39.0±3.78Ba | 42.7±1.46ABa | |
I180 | 44.8±2.30Aa | 44.0±3.76ABa | 38.6±1.66Bb |
指标Index | L/W | LA | LMA | LDMC | LNC |
---|---|---|---|---|---|
LA | 0.205 | ||||
LMA | -0.471** | -0.482** | |||
LDMC | 0.172 | 0.534** | -0.187 | ||
LNC | -0.498** | -0.061 | 0.436** | 0.121 | |
Chl | -0.367* | -0.130 | 0.741** | 0.068 | 0.722** |
Table 4 Correlations among flag leaf traits of spring wheat under intercropping and regulated deficit irrigation
指标Index | L/W | LA | LMA | LDMC | LNC |
---|---|---|---|---|---|
LA | 0.205 | ||||
LMA | -0.471** | -0.482** | |||
LDMC | 0.172 | 0.534** | -0.187 | ||
LNC | -0.498** | -0.061 | 0.436** | 0.121 | |
Chl | -0.367* | -0.130 | 0.741** | 0.068 | 0.722** |
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