Acta Prataculturae Sinica ›› 2021, Vol. 30 ›› Issue (1): 181-188.DOI: 10.11686/cyxb2020066
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Lin YANG(), Mo CHEN, Hai-yan LI(), Yun-fei YANG()
Received:
2020-02-21
Revised:
2020-04-29
Online:
2021-01-20
Published:
2021-01-08
Contact:
Hai-yan LI,Yun-fei YANG
Lin YANG, Mo CHEN, Hai-yan LI, Yun-fei YANG. Effect of simulated changes in rainfall patterns on characteristics of ramets and roots of Chloris virgata[J]. Acta Prataculturae Sinica, 2021, 30(1): 181-188.
降水量Rainfall amount (mL) | 降雨间隔Rainfall interval (d) | |||
---|---|---|---|---|
W- | W | W+ | T | T+ |
24.5 | 35.1 | 45.6 | 1 | 2 |
72.7 | 103.8 | 135.0 | 1 | 2 |
Table 1 Simulated rainfall amount and rainfall interval treatment
降水量Rainfall amount (mL) | 降雨间隔Rainfall interval (d) | |||
---|---|---|---|---|
W- | W | W+ | T | T+ |
24.5 | 35.1 | 45.6 | 1 | 2 |
72.7 | 103.8 | 135.0 | 1 | 2 |
因子Factor | 分蘖数TN | 株高PH | 穗长SL | 生殖生长比率RRA | 总根长TRL | 根总表面积TRSA | 根直径RD | 根总体积TRV |
---|---|---|---|---|---|---|---|---|
T | 0.432 | 10.647** | 0.887 | 1.935 | 4.276* | 4.771* | 4.322* | 5.050* |
W | 1.924 | 4.118* | 1.967 | 4.145* | 2.172 | 2.259 | 0.529 | 2.275 |
T×W | 0.219 | 0.494 | 0.253 | 1.034 | 0.016 | 0.027 | 0.105 | 0.039 |
Table 2 Two-way ANOVA analysis of the effects of rainfall pattern changes on ramet and the root morphological characteristics of C. virgata
因子Factor | 分蘖数TN | 株高PH | 穗长SL | 生殖生长比率RRA | 总根长TRL | 根总表面积TRSA | 根直径RD | 根总体积TRV |
---|---|---|---|---|---|---|---|---|
T | 0.432 | 10.647** | 0.887 | 1.935 | 4.276* | 4.771* | 4.322* | 5.050* |
W | 1.924 | 4.118* | 1.967 | 4.145* | 2.172 | 2.259 | 0.529 | 2.275 |
T×W | 0.219 | 0.494 | 0.253 | 1.034 | 0.016 | 0.027 | 0.105 | 0.039 |
因子 Factor | 根生物量 Root biomass | 茎生物量 Stem biomass | 叶生物量 Leaf biomass | 花序生物量 Inflorescence biomass | 总生物量 Total biomass |
---|---|---|---|---|---|
T | 6.621* | 2.838 | 1.923 | 1.084 | 2.993 |
W | 2.531 | 4.000* | 2.882 | 0.112 | 3.472* |
T×W | 0.315 | 0.024 | 0.088 | 0.050 | 0.012 |
Table 3 Two-way ANOVA analysis of the effects of rainfall pattern changes on biomass of C. virgata
因子 Factor | 根生物量 Root biomass | 茎生物量 Stem biomass | 叶生物量 Leaf biomass | 花序生物量 Inflorescence biomass | 总生物量 Total biomass |
---|---|---|---|---|---|
T | 6.621* | 2.838 | 1.923 | 1.084 | 2.993 |
W | 2.531 | 4.000* | 2.882 | 0.112 | 3.472* |
T×W | 0.315 | 0.024 | 0.088 | 0.050 | 0.012 |
降雨间隔 Rainfall interval | 降水量 Rainfall amount | 根生物量 Root biomass | 茎生物量 Stem biomass | 叶生物量 Leaf biomass | 花序生物量 Inflorescence biomass | 总生物量 Total biomass |
---|---|---|---|---|---|---|
T | W- | 0.143 | 0.635 | 0.517 | 0.070 | 1.365 |
W | 0.182 | 0.882 | 0.674 | 0.071 | 1.810 | |
W+ | 0.236 | 1.091 | 0.813 | 0.073 | 2.213 | |
T+ | W- | 0.096 | 0.452 | 0.358 | 0.050 | 0.956 |
W | 0.122 | 0.626 | 0.593 | 0.060 | 1.402 | |
W+ | 0.143 | 0.877 | 0.648 | 0.062 | 1.731 |
Table 4 Multiple comparisons of effect of rainfall pattern changes on the biomass of C. virgata (g·plant-1)
降雨间隔 Rainfall interval | 降水量 Rainfall amount | 根生物量 Root biomass | 茎生物量 Stem biomass | 叶生物量 Leaf biomass | 花序生物量 Inflorescence biomass | 总生物量 Total biomass |
---|---|---|---|---|---|---|
T | W- | 0.143 | 0.635 | 0.517 | 0.070 | 1.365 |
W | 0.182 | 0.882 | 0.674 | 0.071 | 1.810 | |
W+ | 0.236 | 1.091 | 0.813 | 0.073 | 2.213 | |
T+ | W- | 0.096 | 0.452 | 0.358 | 0.050 | 0.956 |
W | 0.122 | 0.626 | 0.593 | 0.060 | 1.402 | |
W+ | 0.143 | 0.877 | 0.648 | 0.062 | 1.731 |
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