种植密度对不同株型玉米冠层光能截获和产量的影响
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柏延文,杨永红,朱亚利,李红杰,薛吉全,张仁和
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Effect of planting density on light interception within canopy and grain yield of different plant types of maize
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Yan-Wen BAI,Yong-Hong YANG,Ya-Li ZHU,Hong-Jie LI,Ji-Quan XUE,Ren-He ZHANG
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表4 不同株型玉米花后干物质积累、分配及转运
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Table 4 Accumulation and transportation of dry matter after silking of different types of maize
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年份
Year | 品种
Hybrid | 密度
Density
(×104 plant hm-2) | 吐丝期干物质
积累量DMAS
(kg hm-2) | 成熟期干物质积累量DMAM
(kg hm-2) | 花后干物质转运量TADM
(kg hm-2) | 花后干物质转运对
籽粒的贡献CGDMT
(%) | | 2016 | 陕单609 | 4.5 | 7797.5±205 d | 13689.1±894 d | 1756.8±102 d | 27.8±1.1 c | | Shaandan 609 | 6.0 | 9756.1±189 c | 15885.1±954 c | 2812.5±135 c | 29.5±1.6 b | | | 7.5 | 10088.2±697 b | 19356.0±1011 b | 3048.5±205 b | 35.0±0.5 a | | | 9.0 | 11189.6±1035 a | 20995.1±1242 a | 4105.3±152 a | 36.4±0.6 a | | 秦龙14 | 4.5 | 6791.6±305 c | 11735.0±899 d | 1665.8±88 c | 14.0±0.5 d | | Qinlong 14 | 6.0 | 7856.6±195 b | 14659.2±1168 c | 2020.2±105 b | 21.0±0.9 c | | | 7.5 | 9964.2±558 a | 16185.1±942 b | 3165.0±119 a | 33.0±0.5 a | | | 9.0 | 9285.8±386 a | 18526.1±1049 a | 2534.0±168 b | 27.0±1.1 b | | 陕单8806 | 4.5 | 7761.3±411 d | 11089.0±863 d | 1687.0±99 c | 11.9±0.1 d | | Shaandan 8806 | 6.0 | 8397.0±414 c | 13560.2±756 c | 2812.0±136 a | 22.3±0.6 a | | | 7.5 | 9654.2±765 b | 14996.1±1269 b | 2630.3±166 b | 19.2±0.4 b | | | 9.0 | 9479.3±669 a | 17200.8±1036 a | 1942.2±104 c | 16.6±0.6 c | | 2017 | 陕单609 | 4.5 | 8181.2±319 d | 13058.4±693 d | 2144.2±99 d | 26.3±1.3 c | | Shaandan 609 | 6.0 | 9547.5±406 c | 16113.1±528 c | 2765.8±188 c | 31.6±0.8 b | | | 7.5 | 9998.1±546 b | 18859.1±1466 b | 3326.4±205 b | 34.2±0.5 a | | | 9.0 | 10636.2±735 a | 21144.0±1389 a | 4023.6±86 a | 35.0±0.6 a | | 秦龙14 | 4.5 | 6103.8±365 d | 10996.2±1022 d | 1896.3±68 d | 17.6±0.4 d | | Qinlong 14 | 6.0 | 7764.6±532 c | 13986.2±689 c | 2156.9±139 c | 22.6±0.4 c | | | 7.5 | 9688.5±489 a | 16785.4±779 b | 2989.0±125 a | 30.5±1.5 a | | | 9.0 | 9105.9±759 b | 19205.3±823 a | 2675.0±165 b | 27.6±0.5 b | | 陕单8806 | 4.5 | 7722.6±532 c | 11356.8±996 d | 1612.3±131 c | 14.1±0.3 c | | Shaandan 8806 | 6.0 | 8180.3±418 b | 14259.6±668 c | 2655.2±158 a | 21.4±1.1 a | | | 7.5 | 9059.4±398 a | 15119.6±1044 b | 2388.9±201 b | 19.5±0.5 b | | | 9.0 | 9103.5±564 a | 18004.2±916 a | 2113.2±122 b | 15.8±0.4 c |
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