Chinese Journal OF Rice Science ›› 2017, Vol. 31 ›› Issue (3): 265-277.DOI: 10.16819/j.1001-7216.2017.6091 265
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Yinghong LI, Haiyue WANG, Tengfei LÜ, Shaowen ZHANG, Mingjin JIANG, Qiaolin HE, Yongjian SUN*(), Jun MA*
Received:
2016-06-01
Revised:
2016-08-01
Online:
2017-05-10
Published:
2017-05-10
Contact:
Yongjian SUN, Jun MA
李应洪, 王海月, 吕腾飞, 张绍文, 蒋明金, 何巧林, 孙永健*(), 马均*
通讯作者:
孙永健,马均
基金资助:
CLC Number:
Yinghong LI, Haiyue WANG, Tengfei LÜ, Shaowen ZHANG, Mingjin JIANG, Qiaolin HE, Yongjian SUN, Jun MA. Effects of Mechanically-transplanted Modes and Density on Photosynthetic Production and Yield in Hybrid Rice at Different Seedling-ages[J]. Chinese Journal OF Rice Science, 2017, 31(3): 265-277.
李应洪, 王海月, 吕腾飞, 张绍文, 蒋明金, 何巧林, 孙永健, 马均. 不同秧龄下机插方式与密度对杂交稻光合生产及产量的影响[J]. 中国水稻科学, 2017, 31(3): 265-277.
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URL: http://www.ricesci.cn/EN/10.16819/j.1001-7216.2017.6091 265
秧龄 Seedling-age | 机插方式 Transplanting -method | 分蘖盛期 Tillering (Month-day) | 拔节期 Jointing (Month-day) | 抽穗期 Heading (Month-day) | 成熟期 Maturity (Month-day) | 全生育期天数 WGD/d | 移栽-拔节天数 DTJ/d | 拔节-抽穗天数 DJH/d | 抽穗-成熟天数 DHM/d |
---|---|---|---|---|---|---|---|---|---|
T1 | M1 | 05-27 | 06-13 | 07-19 | 08-29 | 149 | 47 | 36 | 41 |
M2 | 05-28 | 06-14 | 07-20 | 08-31 | 151 | 48 | 36 | 42 | |
T2 | M1 | 06-10 | 06-21 | 07-25 | 09-07 | 158 | 40 | 34 | 44 |
M2 | 06-11 | 06-23 | 07-26 | 09-09 | 160 | 42 | 33 | 45 |
Table 1 Growth stage of rice.
秧龄 Seedling-age | 机插方式 Transplanting -method | 分蘖盛期 Tillering (Month-day) | 拔节期 Jointing (Month-day) | 抽穗期 Heading (Month-day) | 成熟期 Maturity (Month-day) | 全生育期天数 WGD/d | 移栽-拔节天数 DTJ/d | 拔节-抽穗天数 DJH/d | 抽穗-成熟天数 DHM/d |
---|---|---|---|---|---|---|---|---|---|
T1 | M1 | 05-27 | 06-13 | 07-19 | 08-29 | 149 | 47 | 36 | 41 |
M2 | 05-28 | 06-14 | 07-20 | 08-31 | 151 | 48 | 36 | 42 | |
T2 | M1 | 06-10 | 06-21 | 07-25 | 09-07 | 158 | 40 | 34 | 44 |
M2 | 06-11 | 06-23 | 07-26 | 09-09 | 160 | 42 | 33 | 45 |
秧龄 Seedling age | 育秧方式 Seedling cultivation methods | 株高 Plant height /cm | 叶龄 Leaf age | 茎基宽 Stalk width /mm | 单株绿叶数 Number of green leaves per plant | 百苗干质量 Dry weight per hundred seedlings/g | 根系性状 Root Traits(≥5 mm) | 单位株高干质量 W/H /(mg·cm-1) | 整齐度 Uniformity/% | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
地上 Aboveground | 地下 Under ground | 根数 Number of roots per plant | 根长 Root length /cm | 发根力 Root vitality | |||||||||
T1 | M1 | 19.87±0.88 a | 4.25±0.12 a | 3.15±0.32 a | 3.97±0.12 a | 4.01±0.10 a | 1.90±0.20 a | 12.80±0.44 a | 7.23±0.09 b | 6.27±0.06 a | 2.02±0.07 a | 90.97±1.71 a | |
M2 | 18.86±1.16 a | 4.08±0.10 b | 2.57±0.02 b | 3.40±0.26 b | 3.28±0.12 a | 1.60±0.60 a | 10.70±0.52 b | 8.50±0.12 a | 5.47±0.50 b | 1.73±0.11 b | 88.73±2.46 a | ||
平均Average | 19.37 | 4.17 | 2.86 | 3.68 | 3.64 | 1.75 | 11.75 | 7.86 | 5.87 | 1.88 | 89.85 | ||
T2 | M1 | 32.63±1.31 a | 6.32±0.18 a | 4.72±0.12 a | 3.57±0.25 a | 14.19±0.80 a | 10.52±1.03 a | 16.85±0.66 a | 8.72±0.57 a | 8.12±0.13 a | 4.34±0.12 a | 89.90±1.97 a | |
M2 | 25.51±0.53 b | 6.03±0.12 b | 3.10±0.37 b | 2.83±0.30 b | 9.00±0.64 b | 5.33±1.13 b | 10.39±0.10 b | 9.29±0.39 a | 7.54±0.06 b | 3.52±0.18 b | 83.54±1.22 b | ||
平均Average | 29.07 | 6.18 | 3.91 | 3.19 | 11.59 | 7.92 | 13.62 | 9.01 | 7.83 | 3.94 | 86.72 | ||
变异来源 Source of variation | |||||||||||||
F值 F value | T | 231.34** | 586.90** | 62.12** | 42.81* | 328.38** | 79.73* | 67.08** | 437.70** | 258.16** | 872.00** | 45.43* | |
M | 43.56** | 101.84** | 42.54** | 18.02* | 162.63** | 97.64** | 177.48** | 10.85** | 25.82** | 75.07** | 37.16** | ||
T×M | 24.61** | 6.80 | 9.47* | 0.31 | 92.56** | 77.07** | 46.10** | 1.54 | 0.62 | 18.08* | 8.55* |
Table 2 Effects of seedling-age on seedling quality under different seedling cultivation methods.
秧龄 Seedling age | 育秧方式 Seedling cultivation methods | 株高 Plant height /cm | 叶龄 Leaf age | 茎基宽 Stalk width /mm | 单株绿叶数 Number of green leaves per plant | 百苗干质量 Dry weight per hundred seedlings/g | 根系性状 Root Traits(≥5 mm) | 单位株高干质量 W/H /(mg·cm-1) | 整齐度 Uniformity/% | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
地上 Aboveground | 地下 Under ground | 根数 Number of roots per plant | 根长 Root length /cm | 发根力 Root vitality | |||||||||
T1 | M1 | 19.87±0.88 a | 4.25±0.12 a | 3.15±0.32 a | 3.97±0.12 a | 4.01±0.10 a | 1.90±0.20 a | 12.80±0.44 a | 7.23±0.09 b | 6.27±0.06 a | 2.02±0.07 a | 90.97±1.71 a | |
M2 | 18.86±1.16 a | 4.08±0.10 b | 2.57±0.02 b | 3.40±0.26 b | 3.28±0.12 a | 1.60±0.60 a | 10.70±0.52 b | 8.50±0.12 a | 5.47±0.50 b | 1.73±0.11 b | 88.73±2.46 a | ||
平均Average | 19.37 | 4.17 | 2.86 | 3.68 | 3.64 | 1.75 | 11.75 | 7.86 | 5.87 | 1.88 | 89.85 | ||
T2 | M1 | 32.63±1.31 a | 6.32±0.18 a | 4.72±0.12 a | 3.57±0.25 a | 14.19±0.80 a | 10.52±1.03 a | 16.85±0.66 a | 8.72±0.57 a | 8.12±0.13 a | 4.34±0.12 a | 89.90±1.97 a | |
M2 | 25.51±0.53 b | 6.03±0.12 b | 3.10±0.37 b | 2.83±0.30 b | 9.00±0.64 b | 5.33±1.13 b | 10.39±0.10 b | 9.29±0.39 a | 7.54±0.06 b | 3.52±0.18 b | 83.54±1.22 b | ||
平均Average | 29.07 | 6.18 | 3.91 | 3.19 | 11.59 | 7.92 | 13.62 | 9.01 | 7.83 | 3.94 | 86.72 | ||
变异来源 Source of variation | |||||||||||||
F值 F value | T | 231.34** | 586.90** | 62.12** | 42.81* | 328.38** | 79.73* | 67.08** | 437.70** | 258.16** | 872.00** | 45.43* | |
M | 43.56** | 101.84** | 42.54** | 18.02* | 162.63** | 97.64** | 177.48** | 10.85** | 25.82** | 75.07** | 37.16** | ||
T×M | 24.61** | 6.80 | 9.47* | 0.31 | 92.56** | 77.07** | 46.10** | 1.54 | 0.62 | 18.08* | 8.55* |
Fig. 1. Effects of mechanically-transplanted modes and density on number of stems and tillers in hybrid rice at different seedling-ages. Different lowercase letters mean significant difference for a given seedling-age among various mechanically-transplanted modes and density at 0.05 level (n=3, LSD). M1D1, Bowl mechanical-transplanting and high density; M1D2, Bowl mechanical-transplanting and middle density; M1D3, Bowl mechanical-transplanting and low density; M2D4, Carpet mechanical-transplanting and high density; M2D5, Carpet mechanical-transplanting and middle density; M2D6, Carpet mechanical-transplanting and low density. The same as in tables below.
叶面积指数 Leaf area index | ||||||
---|---|---|---|---|---|---|
秧龄 Seedling-age | 处理 Treatment | 移栽期 Transplanting | 拔节期 Jointing | 抽穗期 Heading | 成熟期 Maturity | 抽穗-成熟期 叶面积衰减率 HMDRLA/(LAI·d-1) |
T1 | M1D1 | 0.0272±0.0021 c | 3.47±0.03 a | 6.84±0.04 a | 3.42±0.04 a | 0.0834±0.0020 a |
M1D2 | 0.0250±0.0004 d | 3.33±0.04 b | 6.80±0.05 a | 3.40±0.05 a | 0.0830±0.0020 a | |
M1D3 | 0.0239±0.0013 d | 3.25±0.02 bc | 6.77±0.07 a | 3.38±0.03 a | 0.0827±0.0024 a | |
M2D4 | 0.0366±0.0008 a | 3.26±0.09 bc | 6.67±0.02 b | 3.31±0.02 b | 0.0798±0.0009 b | |
M2D5 | 0.0313±0.0012 b | 3.20±0.02 cd | 6.21±0.06 c | 3.09±0.03 c | 0.0743±0.0016 c | |
M2D6 | 0.0244±0.0020 d | 3.15±0.04 d | 5.85±0.14 d | 3.06±0.06 c | 0.0665±0.0022 d | |
平均Average | 0.0281 | 3.28 | 6.52 | 3.28 | 0.0783 | |
T2 | M1D1 | 0.0436±0.0013 c | 3.21±0.14 a | 6.65±0.07 a | 3.30±0.03 a | 0.0761±0.0021 a |
M1D2 | 0.0408±0.0029 d | 3.18±0.16 a | 6.21±0.08 b | 3.26±0.02 ab | 0.0672±0.0021 b | |
M1D3 | 0.0383±0.0027 e | 3.15±0.15 a | 6.02±0.02 c | 3.25±0.03 ab | 0.0630±0.0003 c | |
M2D4 | 0.0585±0.0007 a | 2.97±0.07 b | 5.99±0.05 c | 3.23±0.05 b | 0.0613±0.0006 c | |
M2D5 | 0.0501±0.0006 b | 2.94±0.04 b | 5.70±0.02 d | 3.05±0.03 c | 0.0589±0.0008 d | |
M2D6 | 0.0390±0.0017 de | 2.90±0.04 b | 5.36±0.02 e | 2.84±0.05 d | 0.0560±0.0012 e | |
平均Average | 0.0451 | 3.06 | 5.99 | 3.15 | 0.0637 | |
变异来源 Source of variation | ||||||
F值 F value | T | 322.62** | 34.12* | 598.74** | 61.29* | 472.78** |
MD | 100.20** | 15.36** | 242.71** | 116.11** | 98.43** | |
T×MD | 5.10** | 1.59 | 13.51** | 3.85* | 13.50** |
Table 3 Effects of mechanically-transplanted modes and density on leaf area index and decay rate in hybrid rice at different seedling-ages.
叶面积指数 Leaf area index | ||||||
---|---|---|---|---|---|---|
秧龄 Seedling-age | 处理 Treatment | 移栽期 Transplanting | 拔节期 Jointing | 抽穗期 Heading | 成熟期 Maturity | 抽穗-成熟期 叶面积衰减率 HMDRLA/(LAI·d-1) |
T1 | M1D1 | 0.0272±0.0021 c | 3.47±0.03 a | 6.84±0.04 a | 3.42±0.04 a | 0.0834±0.0020 a |
M1D2 | 0.0250±0.0004 d | 3.33±0.04 b | 6.80±0.05 a | 3.40±0.05 a | 0.0830±0.0020 a | |
M1D3 | 0.0239±0.0013 d | 3.25±0.02 bc | 6.77±0.07 a | 3.38±0.03 a | 0.0827±0.0024 a | |
M2D4 | 0.0366±0.0008 a | 3.26±0.09 bc | 6.67±0.02 b | 3.31±0.02 b | 0.0798±0.0009 b | |
M2D5 | 0.0313±0.0012 b | 3.20±0.02 cd | 6.21±0.06 c | 3.09±0.03 c | 0.0743±0.0016 c | |
M2D6 | 0.0244±0.0020 d | 3.15±0.04 d | 5.85±0.14 d | 3.06±0.06 c | 0.0665±0.0022 d | |
平均Average | 0.0281 | 3.28 | 6.52 | 3.28 | 0.0783 | |
T2 | M1D1 | 0.0436±0.0013 c | 3.21±0.14 a | 6.65±0.07 a | 3.30±0.03 a | 0.0761±0.0021 a |
M1D2 | 0.0408±0.0029 d | 3.18±0.16 a | 6.21±0.08 b | 3.26±0.02 ab | 0.0672±0.0021 b | |
M1D3 | 0.0383±0.0027 e | 3.15±0.15 a | 6.02±0.02 c | 3.25±0.03 ab | 0.0630±0.0003 c | |
M2D4 | 0.0585±0.0007 a | 2.97±0.07 b | 5.99±0.05 c | 3.23±0.05 b | 0.0613±0.0006 c | |
M2D5 | 0.0501±0.0006 b | 2.94±0.04 b | 5.70±0.02 d | 3.05±0.03 c | 0.0589±0.0008 d | |
M2D6 | 0.0390±0.0017 de | 2.90±0.04 b | 5.36±0.02 e | 2.84±0.05 d | 0.0560±0.0012 e | |
平均Average | 0.0451 | 3.06 | 5.99 | 3.15 | 0.0637 | |
变异来源 Source of variation | ||||||
F值 F value | T | 322.62** | 34.12* | 598.74** | 61.29* | 472.78** |
MD | 100.20** | 15.36** | 242.71** | 116.11** | 98.43** | |
T×MD | 5.10** | 1.59 | 13.51** | 3.85* | 13.50** |
秧龄 Seedling-age | 处理 Treatment | 单茎叶片 Leaves per shoot | 单茎茎鞘 Culm and sheath per stem | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
抽穗期 Heading/g | 成熟期 Maturity/g | 表观转运量Exportation/g | 表观转运率 Export rate/% | 抽穗期 Heading/g | 成熟期 Maturity/g | 表观转运量Exportation/g | 表观转运率 Export rate/% | |||||||||
T1 | M1D1 | 1.36±0.01 b | 1.14±0.01 b | 0.225±0.011 ab | 16.53±0.71 c | 3.03±0.07 b | 2.65±0.05 b | 0.387±0.025 b | 12.74±0.56 b | |||||||
M1D2 | 1.40±0.01 a | 1.16±0.01 a | 0.236±0.015 ab | 16.90±0.89 bc | 3.11±0.01 a | 2.68±0.02 a | 0.430±0.010 a | 13.84±0.35 a | ||||||||
M1D3 | 1.42±0.02 a | 1.18±0.01 a | 0.240±0.019 a | 17.00±1.21 bc | 3.13±0.01 a | 2.69±0.03 a | 0.437±0.035 a | 13.96±1.08 a | ||||||||
M2D4 | 1.18±0.02 e | 0.96±0.05 e | 0.217±0.026 b | 18.43±2.48 ab | 2.46±0.04 e | 2.17±0.04 e | 0.293±0.006 d | 11.91±0.30 c | ||||||||
M2D5 | 1.22±0.02 d | 0.99±0.01 d | 0.231±0.006 ab | 18.93±0.25 a | 2.74±0.04 d | 2.38±0.05 d | 0.357±0.012 c | 13.04±0.58 ab | ||||||||
M2D6 | 1.29±0.01 c | 1.04±0.01 c | 0.251±0.011 a | 19.37±0.75 a | 2.91±0.01 c | 2.52±0.02 c | 0.390±0.017 b | 13.42±0.62 ab | ||||||||
平均Average | 1.31 | 1.08 | 0.233 | 17.86 | 2.90 | 2.51 | 0.382 | 13.16 | ||||||||
T2 | M1D1 | 1.29±0.02 c | 1.09±0.03 c | 0.205±0.007 ab | 15.90±0.80 c | 2.75±0.02 cd | 2.40±0.03 bc | 0.343±0.012 b | 12.5±0.47 b | |||||||
M1D2 | 1.35±0.03 b | 1.13±0.01 b | 0.216±0.027 ab | 16.03±1.65 c | 2.78±0.02 bc | 2.42±0.02 b | 0.363±0.015 b | 13.07±0.53 ab | ||||||||
M1D3 | 1.39±0.01 a | 1.16±0.01 a | 0.226±0.010 a | 16.27±0.59 bc | 2.87±0.04 a | 2.48±0.02 a | 0.393±0.029 a | 13.69±0.88 a | ||||||||
M2D4 | 1.13±0.04 f | 0.93±0.01 e | 0.198±0.048 b | 17.40±3.58 abc | 2.43±0.03 e | 2.15±0.03 d | 0.283±0.006 c | 11.65±0.16 c | ||||||||
M2D5 | 1.16±0.01 e | 0.95±0.01 e | 0.212±0.006 ab | 18.27±0.35 ab | 2.72±0.01 d | 2.37±0.03 c | 0.350±0.020 b | 12.87±0.76 b | ||||||||
M2D6 | 1.24±0.02 d | 1.01±0.01 d | 0.230±0.004 a | 18.57±0.06 a | 2.80±0.04 b | 2.44±0.03 ab | 0.363±0.015 ab | 12.97±0.36 ab | ||||||||
平均Average | 1.26 | 1.05 | 0.215 | 17.07 | 2.73 | 2.38 | 0.349 | 12.79 | ||||||||
变异来源 Source of variation | ||||||||||||||||
F值 F value | T | 34.31* | 26.99* | 59.29* | 96.58* | 208.19** | 272.54** | 69.19* | 15.67* | |||||||
MD | 166.14** | 214.00** | 2.45 | 4.28** | 276.17** | 194.97** | 30.53** | 8.05** | ||||||||
T×MD | 1.00 | 1.06 | 0.02 | 0.02 | 31.37** | 26.05** | 1.75* | 0.14 |
Table 4 Effects of mechanically-transplanted modes and density on leaves, culm and sheath per stem in hybrid rice at different seedling-ages.
秧龄 Seedling-age | 处理 Treatment | 单茎叶片 Leaves per shoot | 单茎茎鞘 Culm and sheath per stem | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
抽穗期 Heading/g | 成熟期 Maturity/g | 表观转运量Exportation/g | 表观转运率 Export rate/% | 抽穗期 Heading/g | 成熟期 Maturity/g | 表观转运量Exportation/g | 表观转运率 Export rate/% | |||||||||
T1 | M1D1 | 1.36±0.01 b | 1.14±0.01 b | 0.225±0.011 ab | 16.53±0.71 c | 3.03±0.07 b | 2.65±0.05 b | 0.387±0.025 b | 12.74±0.56 b | |||||||
M1D2 | 1.40±0.01 a | 1.16±0.01 a | 0.236±0.015 ab | 16.90±0.89 bc | 3.11±0.01 a | 2.68±0.02 a | 0.430±0.010 a | 13.84±0.35 a | ||||||||
M1D3 | 1.42±0.02 a | 1.18±0.01 a | 0.240±0.019 a | 17.00±1.21 bc | 3.13±0.01 a | 2.69±0.03 a | 0.437±0.035 a | 13.96±1.08 a | ||||||||
M2D4 | 1.18±0.02 e | 0.96±0.05 e | 0.217±0.026 b | 18.43±2.48 ab | 2.46±0.04 e | 2.17±0.04 e | 0.293±0.006 d | 11.91±0.30 c | ||||||||
M2D5 | 1.22±0.02 d | 0.99±0.01 d | 0.231±0.006 ab | 18.93±0.25 a | 2.74±0.04 d | 2.38±0.05 d | 0.357±0.012 c | 13.04±0.58 ab | ||||||||
M2D6 | 1.29±0.01 c | 1.04±0.01 c | 0.251±0.011 a | 19.37±0.75 a | 2.91±0.01 c | 2.52±0.02 c | 0.390±0.017 b | 13.42±0.62 ab | ||||||||
平均Average | 1.31 | 1.08 | 0.233 | 17.86 | 2.90 | 2.51 | 0.382 | 13.16 | ||||||||
T2 | M1D1 | 1.29±0.02 c | 1.09±0.03 c | 0.205±0.007 ab | 15.90±0.80 c | 2.75±0.02 cd | 2.40±0.03 bc | 0.343±0.012 b | 12.5±0.47 b | |||||||
M1D2 | 1.35±0.03 b | 1.13±0.01 b | 0.216±0.027 ab | 16.03±1.65 c | 2.78±0.02 bc | 2.42±0.02 b | 0.363±0.015 b | 13.07±0.53 ab | ||||||||
M1D3 | 1.39±0.01 a | 1.16±0.01 a | 0.226±0.010 a | 16.27±0.59 bc | 2.87±0.04 a | 2.48±0.02 a | 0.393±0.029 a | 13.69±0.88 a | ||||||||
M2D4 | 1.13±0.04 f | 0.93±0.01 e | 0.198±0.048 b | 17.40±3.58 abc | 2.43±0.03 e | 2.15±0.03 d | 0.283±0.006 c | 11.65±0.16 c | ||||||||
M2D5 | 1.16±0.01 e | 0.95±0.01 e | 0.212±0.006 ab | 18.27±0.35 ab | 2.72±0.01 d | 2.37±0.03 c | 0.350±0.020 b | 12.87±0.76 b | ||||||||
M2D6 | 1.24±0.02 d | 1.01±0.01 d | 0.230±0.004 a | 18.57±0.06 a | 2.80±0.04 b | 2.44±0.03 ab | 0.363±0.015 ab | 12.97±0.36 ab | ||||||||
平均Average | 1.26 | 1.05 | 0.215 | 17.07 | 2.73 | 2.38 | 0.349 | 12.79 | ||||||||
变异来源 Source of variation | ||||||||||||||||
F值 F value | T | 34.31* | 26.99* | 59.29* | 96.58* | 208.19** | 272.54** | 69.19* | 15.67* | |||||||
MD | 166.14** | 214.00** | 2.45 | 4.28** | 276.17** | 194.97** | 30.53** | 8.05** | ||||||||
T×MD | 1.00 | 1.06 | 0.02 | 0.02 | 31.37** | 26.05** | 1.75* | 0.14 |
秧龄 Seedling -age | 处理 Treatment | 移栽Transplanting | 拔节Jointing | 抽穗Heading | 成熟Maturity | 收获指数 Harvest index | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
单茎 DMWPS /g | 群体 DMWP /(t·hm-2) | 单茎 DMWPS /g | 群体 DMWP /(t·hm-2) | 单茎DMWPS /g | 群体 DMWP /(t·hm-2) | 单茎 DMWPS /g | 群体 DMWP /(t·hm-2) | |||||||
T1 | M1D1 | 0.040±0.005 a | 0.028±0.003 bc | 1.13±0.07 a | 3.94±0.24 a | 5.42±0.05 b | 12.89±0.12 a | 9.88±0.07 b | 21.33±0.39 a | 0.575±0.009 b | ||||
M1D2 | 0.040±0.005 a | 0.026±0.003 bcd | 1.15±0.09 a | 3.81±0.34 ab | 5.65±0.05 a | 12.78±0.11 a | 10.26±0.19 a | 21.40±0.52 a | 0.596±0.013 a | |||||
M1D3 | 0.040±0.005 a | 0.025±0.003 cd | 1.19±0.09 a | 3.76±0.31 ab | 5.67±0.05 a | 12.23±0.10 b | 10.29±0.09 a | 20.52±0.17 b | 0.566±0.007 b | |||||
M2D4 | 0.033±0.004 b | 0.035±0.001 a | 0.97±0.06 b | 3.70±0.17 ab | 4.29±0.03 e | 11.39±0.09 c | 8.13±0.14 e | 19.48±0.10 c | 0.569±0.023 b | |||||
M2D5 | 0.033±0.004 b | 0.029±0.004 b | 1.01±0.08 b | 3.58±0.12 bc | 4.76±0.02 d | 11.21±0.05 d | 8.70±0.34 d | 18.76±0.23 d | 0.538±0.017 c | |||||
M2D6 | 0.033±0.004 b | 0.023±0.003 d | 1.13±0.08 a | 3.44±0.08 c | 5.22±0.05 c | 11.13±0.11 d | 9.59±0.04 c | 18.73±0.11 d | 0.531±0.012 c | |||||
平均Average | 0.116 | 0.082 | 1.10 | 3.71 | 5.17 | 11.94 | 9.47 | 20.04 | 0.563 | |||||
T2 | M1D1 | 0.142±0.008 a | 0.101±0.008 a | 1.02±0.12 ab | 3.33±0.08 a | 5.13±0.02 c | 11.52±0.04 a | 9.21±0.27 b | 19.57±0.33 a | 0.576±0.002 a | ||||
M1D2 | 0.142±0.008 a | 0.088±0.005 b | 1.03±0.06 ab | 3.25±0.05 a | 5.22±0.07 b | 11.28±0.16 b | 9.47±0.16 b | 19.11±0.78 ab | 0.569±0.014 a | |||||
M1D3 | 0.142±0.008 a | 0.073±0.008 d | 1.07±0.09 a | 3.20±0.11 a | 5.40±0.03 a | 11.17±0.07 b | 9.90±0.26 a | 18.81±0.06 b | 0.549±0.012 bc | |||||
M2D4 | 0.090±0.006 b | 0.090±0.006 b | 0.85±0.06 d | 2.91±0.15 b | 4.31±0.04 e | 10.85±0.11 c | 8.12±0.06 d | 18.72±0.06 b | 0.557±0.007 ab | |||||
M2D5 | 0.090±0.006 b | 0.077±0.005 c | 0.91±0.10 cd | 2.88±0.30 b | 4.73±0.05 d | 10.63±0.11 d | 8.53±0.23 c | 18.01±0.17 c | 0.533±0.012 c | |||||
M2D6 | 0.090±0.006 b | 0.060±0.004 e | 0.96±0.04 bc | 2.70±0.06 b | 5.19±0.04 b | 10.21±0.08 e | 9.46±0.27 b | 17.17±0.10 d | 0.499±0.014 d | |||||
平均Average | 0.036 | 0.028 | 0.90 | 3.05 | 5.00 | 10.94 | 9.11 | 18.57 | 0.547 | |||||
变异来源 Source of variation | ||||||||||||||
F值 F value | T | 229.34** | 220.18** | 12.45 | 70.40* | 43.22* | 269.52** | 27.89* | 240.97** | 11.07 | ||||
MD | 119.18** | 50.55** | 8.13** | 6.67** | 935.73** | 338.45** | 80.87** | 58.46** | 21.92** | |||||
T×MD | 67.83** | 26.41** | 0.22 | 0.36 | 35.08** | 34.50** | 3.40* | 5.22** | 1.38 |
Table 5 Effects of mechanically-transplanted modes and density on dry matter weight per stem and population in hybrid rice at different seedling-ages.
秧龄 Seedling -age | 处理 Treatment | 移栽Transplanting | 拔节Jointing | 抽穗Heading | 成熟Maturity | 收获指数 Harvest index | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
单茎 DMWPS /g | 群体 DMWP /(t·hm-2) | 单茎 DMWPS /g | 群体 DMWP /(t·hm-2) | 单茎DMWPS /g | 群体 DMWP /(t·hm-2) | 单茎 DMWPS /g | 群体 DMWP /(t·hm-2) | |||||||
T1 | M1D1 | 0.040±0.005 a | 0.028±0.003 bc | 1.13±0.07 a | 3.94±0.24 a | 5.42±0.05 b | 12.89±0.12 a | 9.88±0.07 b | 21.33±0.39 a | 0.575±0.009 b | ||||
M1D2 | 0.040±0.005 a | 0.026±0.003 bcd | 1.15±0.09 a | 3.81±0.34 ab | 5.65±0.05 a | 12.78±0.11 a | 10.26±0.19 a | 21.40±0.52 a | 0.596±0.013 a | |||||
M1D3 | 0.040±0.005 a | 0.025±0.003 cd | 1.19±0.09 a | 3.76±0.31 ab | 5.67±0.05 a | 12.23±0.10 b | 10.29±0.09 a | 20.52±0.17 b | 0.566±0.007 b | |||||
M2D4 | 0.033±0.004 b | 0.035±0.001 a | 0.97±0.06 b | 3.70±0.17 ab | 4.29±0.03 e | 11.39±0.09 c | 8.13±0.14 e | 19.48±0.10 c | 0.569±0.023 b | |||||
M2D5 | 0.033±0.004 b | 0.029±0.004 b | 1.01±0.08 b | 3.58±0.12 bc | 4.76±0.02 d | 11.21±0.05 d | 8.70±0.34 d | 18.76±0.23 d | 0.538±0.017 c | |||||
M2D6 | 0.033±0.004 b | 0.023±0.003 d | 1.13±0.08 a | 3.44±0.08 c | 5.22±0.05 c | 11.13±0.11 d | 9.59±0.04 c | 18.73±0.11 d | 0.531±0.012 c | |||||
平均Average | 0.116 | 0.082 | 1.10 | 3.71 | 5.17 | 11.94 | 9.47 | 20.04 | 0.563 | |||||
T2 | M1D1 | 0.142±0.008 a | 0.101±0.008 a | 1.02±0.12 ab | 3.33±0.08 a | 5.13±0.02 c | 11.52±0.04 a | 9.21±0.27 b | 19.57±0.33 a | 0.576±0.002 a | ||||
M1D2 | 0.142±0.008 a | 0.088±0.005 b | 1.03±0.06 ab | 3.25±0.05 a | 5.22±0.07 b | 11.28±0.16 b | 9.47±0.16 b | 19.11±0.78 ab | 0.569±0.014 a | |||||
M1D3 | 0.142±0.008 a | 0.073±0.008 d | 1.07±0.09 a | 3.20±0.11 a | 5.40±0.03 a | 11.17±0.07 b | 9.90±0.26 a | 18.81±0.06 b | 0.549±0.012 bc | |||||
M2D4 | 0.090±0.006 b | 0.090±0.006 b | 0.85±0.06 d | 2.91±0.15 b | 4.31±0.04 e | 10.85±0.11 c | 8.12±0.06 d | 18.72±0.06 b | 0.557±0.007 ab | |||||
M2D5 | 0.090±0.006 b | 0.077±0.005 c | 0.91±0.10 cd | 2.88±0.30 b | 4.73±0.05 d | 10.63±0.11 d | 8.53±0.23 c | 18.01±0.17 c | 0.533±0.012 c | |||||
M2D6 | 0.090±0.006 b | 0.060±0.004 e | 0.96±0.04 bc | 2.70±0.06 b | 5.19±0.04 b | 10.21±0.08 e | 9.46±0.27 b | 17.17±0.10 d | 0.499±0.014 d | |||||
平均Average | 0.036 | 0.028 | 0.90 | 3.05 | 5.00 | 10.94 | 9.11 | 18.57 | 0.547 | |||||
变异来源 Source of variation | ||||||||||||||
F值 F value | T | 229.34** | 220.18** | 12.45 | 70.40* | 43.22* | 269.52** | 27.89* | 240.97** | 11.07 | ||||
MD | 119.18** | 50.55** | 8.13** | 6.67** | 935.73** | 338.45** | 80.87** | 58.46** | 21.92** | |||||
T×MD | 67.83** | 26.41** | 0.22 | 0.36 | 35.08** | 34.50** | 3.40* | 5.22** | 1.38 |
秧龄 Seedling-age | 处理 Treatment | 物质积累量 Dry accumulation /(t·hm-2) | 群体生长率 Population growth rate /(g·m-2 d-1) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
移栽-拔节 Transplanting-jointing | 拔节-抽穗 Jointing-heading | 抽穗-成熟 Heading-maturity | 移栽-拔节 Transplanting-jointing | 拔节-抽穗 Jointing-heading | 抽穗-成熟 Heading-maturiy | |||||||
T1 | M1D1 | 3.92±0.66 a | 8.98±0.58 a | 8.40±0.29 a | 8.33±1.40 a | 24.95±1.63 a | 19.10±0.67 a | |||||
M1D2 | 3.79±0.34 ab | 8.86±0.24 a | 8.62±0.41 a | 8.06±0.71 a | 24.62±0.68 a | 19.60±0.94 a | ||||||
M1D3 | 3.73±0.32 ab | 8.79±0.06 a | 8.34±0.29 a | 7.94±0.67 ab | 24.41±0.16 a | 18.96±0.65 ab | ||||||
M2D4 | 3.59±0.18 abc | 7.82±0.22 b | 7.87±0.12 b | 7.47±0.37 abc | 21.71±0.63 b | 18.30±0.27 b | ||||||
M2D5 | 3.46±0.28 bc | 7.73±0.19 b | 7.45±0.16 c | 7.22±0.58 bc | 21.46±0.54 b | 17.34±0.38 c | ||||||
M2D6 | 3.27±0.30 c | 7.69±0.08 b | 7.35±0.23 c | 6.81±0.63 c | 21.35±0.21 b | 17.08±0.53 c | ||||||
平均Average | 3.63 | 8.31 | 8.01 | 7.64 | 23.09 | 18.39 | ||||||
T2 | M1D1 | 3.23±0.08 a | 8.04±0.31 a | 8.14±0.25 a | 8.06±0.20 a | 23.66±0.91 a | 18.08±0.56 a | |||||
M1D2 | 3.16±0.06 a | 8.03±0.17 a | 7.84±0.63 ab | 7.91±0.14 a | 23.61±0.49 a | 17.41±1.39 ab | ||||||
M1D3 | 3.13±0.12 a | 7.97±0.05 a | 7.71±0.05 b | 7.82±0.30 a | 23.44±0.13 a | 17.13±0.11 b | ||||||
M2D4 | 2.82±0.15 ab | 7.75±0.17 ab | 7.71±0.19 b | 6.72±0.36 b | 23.50±0.53 a | 17.53±0.42 ab | ||||||
M2D5 | 2.80±0.31 ab | 7.69±0.09 ab | 7.37±0.13 c | 6.67±0.73 b | 23.29±0.26 a | 16.75±0.28 bc | ||||||
M2D6 | 2.64±0.06 b | 7.47±0.11 b | 7.18±0.25 c | 6.30±0.16 b | 22.65±0.34 a | 16.32±0.57 c | ||||||
平均Average | 2.96 | 7.83 | 7.66 | 7.25 | 23.36 | 17.20 | ||||||
变异来源 Source of variation | ||||||||||||
F值 F value | T | 654.69** | 57.82* | 8.31 | 46.87* | 44.83* | 19.12* | |||||
MD | 3.78* | 17.27** | 13.87** | 6.60** | 11.44** | 9.10** | ||||||
T×MD | 0.06 | 4.35** | 1.65 | 0.23 | 6.46** | 1.65 |
Table 6 Effects of mechanically-transplanted modes and density on dry accumulation and crop growth rate in hybrid rice at different seedling-ages.
秧龄 Seedling-age | 处理 Treatment | 物质积累量 Dry accumulation /(t·hm-2) | 群体生长率 Population growth rate /(g·m-2 d-1) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
移栽-拔节 Transplanting-jointing | 拔节-抽穗 Jointing-heading | 抽穗-成熟 Heading-maturity | 移栽-拔节 Transplanting-jointing | 拔节-抽穗 Jointing-heading | 抽穗-成熟 Heading-maturiy | |||||||
T1 | M1D1 | 3.92±0.66 a | 8.98±0.58 a | 8.40±0.29 a | 8.33±1.40 a | 24.95±1.63 a | 19.10±0.67 a | |||||
M1D2 | 3.79±0.34 ab | 8.86±0.24 a | 8.62±0.41 a | 8.06±0.71 a | 24.62±0.68 a | 19.60±0.94 a | ||||||
M1D3 | 3.73±0.32 ab | 8.79±0.06 a | 8.34±0.29 a | 7.94±0.67 ab | 24.41±0.16 a | 18.96±0.65 ab | ||||||
M2D4 | 3.59±0.18 abc | 7.82±0.22 b | 7.87±0.12 b | 7.47±0.37 abc | 21.71±0.63 b | 18.30±0.27 b | ||||||
M2D5 | 3.46±0.28 bc | 7.73±0.19 b | 7.45±0.16 c | 7.22±0.58 bc | 21.46±0.54 b | 17.34±0.38 c | ||||||
M2D6 | 3.27±0.30 c | 7.69±0.08 b | 7.35±0.23 c | 6.81±0.63 c | 21.35±0.21 b | 17.08±0.53 c | ||||||
平均Average | 3.63 | 8.31 | 8.01 | 7.64 | 23.09 | 18.39 | ||||||
T2 | M1D1 | 3.23±0.08 a | 8.04±0.31 a | 8.14±0.25 a | 8.06±0.20 a | 23.66±0.91 a | 18.08±0.56 a | |||||
M1D2 | 3.16±0.06 a | 8.03±0.17 a | 7.84±0.63 ab | 7.91±0.14 a | 23.61±0.49 a | 17.41±1.39 ab | ||||||
M1D3 | 3.13±0.12 a | 7.97±0.05 a | 7.71±0.05 b | 7.82±0.30 a | 23.44±0.13 a | 17.13±0.11 b | ||||||
M2D4 | 2.82±0.15 ab | 7.75±0.17 ab | 7.71±0.19 b | 6.72±0.36 b | 23.50±0.53 a | 17.53±0.42 ab | ||||||
M2D5 | 2.80±0.31 ab | 7.69±0.09 ab | 7.37±0.13 c | 6.67±0.73 b | 23.29±0.26 a | 16.75±0.28 bc | ||||||
M2D6 | 2.64±0.06 b | 7.47±0.11 b | 7.18±0.25 c | 6.30±0.16 b | 22.65±0.34 a | 16.32±0.57 c | ||||||
平均Average | 2.96 | 7.83 | 7.66 | 7.25 | 23.36 | 17.20 | ||||||
变异来源 Source of variation | ||||||||||||
F值 F value | T | 654.69** | 57.82* | 8.31 | 46.87* | 44.83* | 19.12* | |||||
MD | 3.78* | 17.27** | 13.87** | 6.60** | 11.44** | 9.10** | ||||||
T×MD | 0.06 | 4.35** | 1.65 | 0.23 | 6.46** | 1.65 |
秧龄 Seedling-age | 处理 Treatment | 光合势 Photosynthetic potential / (×104 m2 d·hm-2) | 净同化率 Net assimilation / (g·m-2 d-1) | |||||
---|---|---|---|---|---|---|---|---|
移栽-拔节 Transplanting- jointing | 拔节-抽穗 Jointing- heading | 抽穗-成熟 Heading- maturity | 移栽-拔节 Transplanting- jointing | 拔节-抽穗 Jointing- heading | 抽穗-成熟 Heading- maturity | |||
T1 | M1D1 | 82.14±0.64 a | 185.50±1.12 a | 225.68±0.58 a | 11.71±1.72 ab | 5.03±0.36 a | 3.87±0.15 a | |
M1D2 | 78.77±0.83 bc | 182.36±0.29 b | 224.46±1.06 ab | 11.93±0.95 a | 5.07±0.14 a | 3.99±0.17 a | ||
M1D3 | 77.02±0.57 cd | 180.33±1.41 c | 223.12±0.80 b | 12.07±1.76 a | 5.09±0.03 a | 3.89±0.14 a | ||
M2D4 | 79.12±2.27 b | 178.65±1.91 c | 209.56±0.22 c | 10.41±1.11 c | 4.56±0.16 c | 3.82±0.06 a | ||
M2D5 | 77.50±0.54 bcd | 169.30±0.91 d | 195.21±1.57 d | 10.54±0.82 c | 4.73±0.13 bc | 3.88±0.10 a | ||
M2D6 | 76.29±0.86 d | 162.16±2.97 e | 187.21±4.10 e | 10.58±0.92 bc | 4.89±0.11 ab | 3.97±0.20 a | ||
平均Average | 78.47 | 176.38 | 210.87 | 11.21 | 4.89 | 3.90 | ||
T2 | M1D1 | 65.02±2.74 a | 167.45±3.45 a | 223.60±0.94 a | 10.97±0.58 a | 5.01±0.10 c | 3.79±0.12 b | |
M1D2 | 64.44±3.31 a | 159.71±1.99 b | 213.11±1.63 b | 10.99±0.57 a | 5.22±0.20 b | 3.80±0.30 b | ||
M1D3 | 63.84±3.07 a | 155.95±2.21 c | 208.50±1.26 c | 11.11±1.00 a | 5.29±0.13 b | 3.81±0.05 b | ||
M2D4 | 63.60±1.50 a | 147.77±1.30 d | 198.18±1.89 d | 9.07±0.48 b | 5.54±0.07 a | 3.93±0.14 ab | ||
M2D5 | 62.86±0.93 ab | 142.55±0.96 e | 188.01±0.75 e | 9.39±1.03 b | 5.61±0.05 a | 3.96±0.09 ab | ||
M2D6 | 61.68±0.84 b | 136.23±0.54 f | 176.26±1.29 f | 9.49±0.28 b | 5.75±0.11 a | 4.11±0.16 a | ||
平均Average | 63.57 | 151.61 | 201.28 | 10.17 | 5.40 | 3.89 | ||
变异来源 Source of variation | ||||||||
F值 F value | T | 402.17** | 608.66** | 255.41** | 6.88 | 270.86** | 0.01 | |
MD | 6.01** | 228.16** | 582.31** | 4.81** | 2.60 | 1.58 | ||
T×MD | 1.08 | 10.40** | 9.88** | 0.07 | 10.92** | 1.20 |
Table 7 Effects of mechanically-transplanted modes and density on photosynthetic potential and net assimilation in hybrid rice at different seedling-ages.
秧龄 Seedling-age | 处理 Treatment | 光合势 Photosynthetic potential / (×104 m2 d·hm-2) | 净同化率 Net assimilation / (g·m-2 d-1) | |||||
---|---|---|---|---|---|---|---|---|
移栽-拔节 Transplanting- jointing | 拔节-抽穗 Jointing- heading | 抽穗-成熟 Heading- maturity | 移栽-拔节 Transplanting- jointing | 拔节-抽穗 Jointing- heading | 抽穗-成熟 Heading- maturity | |||
T1 | M1D1 | 82.14±0.64 a | 185.50±1.12 a | 225.68±0.58 a | 11.71±1.72 ab | 5.03±0.36 a | 3.87±0.15 a | |
M1D2 | 78.77±0.83 bc | 182.36±0.29 b | 224.46±1.06 ab | 11.93±0.95 a | 5.07±0.14 a | 3.99±0.17 a | ||
M1D3 | 77.02±0.57 cd | 180.33±1.41 c | 223.12±0.80 b | 12.07±1.76 a | 5.09±0.03 a | 3.89±0.14 a | ||
M2D4 | 79.12±2.27 b | 178.65±1.91 c | 209.56±0.22 c | 10.41±1.11 c | 4.56±0.16 c | 3.82±0.06 a | ||
M2D5 | 77.50±0.54 bcd | 169.30±0.91 d | 195.21±1.57 d | 10.54±0.82 c | 4.73±0.13 bc | 3.88±0.10 a | ||
M2D6 | 76.29±0.86 d | 162.16±2.97 e | 187.21±4.10 e | 10.58±0.92 bc | 4.89±0.11 ab | 3.97±0.20 a | ||
平均Average | 78.47 | 176.38 | 210.87 | 11.21 | 4.89 | 3.90 | ||
T2 | M1D1 | 65.02±2.74 a | 167.45±3.45 a | 223.60±0.94 a | 10.97±0.58 a | 5.01±0.10 c | 3.79±0.12 b | |
M1D2 | 64.44±3.31 a | 159.71±1.99 b | 213.11±1.63 b | 10.99±0.57 a | 5.22±0.20 b | 3.80±0.30 b | ||
M1D3 | 63.84±3.07 a | 155.95±2.21 c | 208.50±1.26 c | 11.11±1.00 a | 5.29±0.13 b | 3.81±0.05 b | ||
M2D4 | 63.60±1.50 a | 147.77±1.30 d | 198.18±1.89 d | 9.07±0.48 b | 5.54±0.07 a | 3.93±0.14 ab | ||
M2D5 | 62.86±0.93 ab | 142.55±0.96 e | 188.01±0.75 e | 9.39±1.03 b | 5.61±0.05 a | 3.96±0.09 ab | ||
M2D6 | 61.68±0.84 b | 136.23±0.54 f | 176.26±1.29 f | 9.49±0.28 b | 5.75±0.11 a | 4.11±0.16 a | ||
平均Average | 63.57 | 151.61 | 201.28 | 10.17 | 5.40 | 3.89 | ||
变异来源 Source of variation | ||||||||
F值 F value | T | 402.17** | 608.66** | 255.41** | 6.88 | 270.86** | 0.01 | |
MD | 6.01** | 228.16** | 582.31** | 4.81** | 2.60 | 1.58 | ||
T×MD | 1.08 | 10.40** | 9.88** | 0.07 | 10.92** | 1.20 |
秧龄 Seedling-age | 处理 Treatment | 有效穗数 Effective panicle number /(×104·hm-2) | 每穗粒数 Spikelet number per panicle | 总颖花数 Total spikelet number /(×107·hm-2) | 结实率 Seed-setting rate /% | 千粒重 1000-grain weight /g | 稻谷产量 Grain yield /(t·hm-2) |
---|---|---|---|---|---|---|---|
T1 | M1D1 | 215.84±2.79 b | 234.93±9.07 a | 50.69±1.37 a | 80.49±1.46 b | 30.79±0.33 a | 12.26±0.32 b |
M1D2 | 208.64±1.28 b | 239.18±1.64 a | 49.56±0.37 a | 84.23±0.92 a | 30.57±0.31 a | 12.74±0.11 a | |
M1D3 | 199.43±2.93 c | 235.18±5.85 a | 46.58±0.42 b | 83.42±0.60 a | 30.31±0.69 a | 11.61±0.22 c | |
M2D4 | 239.80±3.26 a | 198.24±4.45 d | 48.67±2.30 a | 77.90±0.70 c | 30.71±0.21 a | 11.09±0.40 d | |
M2D5 | 215.87±6.33 b | 211.04±1.54 c | 46.20±1.45 b | 79.87±1.52 b | 30.67±0.42 a | 10.10±0.43 e | |
M2D6 | 195.42±1.87 c | 221.12±8.60 b | 42.16±0.43 c | 80.54±1.36 b | 30.86±0.39 a | 9.96±0.26 e | |
平均Average | 213.05 | 223.28 | 47.30 | 81.07 | 30.65 | 11.29 | |
T2 | M1D1 | 212.71±4.71 b | 215.02±4.94 ab | 45.89±0.71 a | 80.04±0.64 b | 31.03±0.70 a | 11.28±0.17 a |
M1D2 | 201.67±4.84 c | 218.25±7.36 a | 44.91±0.23 ab | 81.67±2.39 ab | 31.08±0.31 a | 10.88±0.20 a | |
M1D3 | 190.20±5.31 d | 220.18±7.00 a | 43.33±2.37 bc | 82.45±2.09 a | 31.15±0.06 a | 10.33±0.24 b | |
M2D4 | 230.55±11.61 a | 197.40±2.78 d | 44.77±3.07 ab | 74.91±1.26 d | 30.98±0.16 a | 10.43±0.17 b | |
M2D5 | 211.15±3.98 b | 202.86±6.91 cd | 41.86±0.69 c | 76.37±0.84 cd | 30.85±0.27 a | 9.60±0.25 c | |
M2D6 | 181.62±4.13 e | 207.95±2.71 bc | 36.99±1.03 d | 78.00±1.44 c | 30.71±1.03 a | 8.57±0.18 d | |
平均Average | 204.65 | 210.28 | 42.97 | 78.91 | 30.97 | 10.18 | |
变异来源 Source of variation | |||||||
F值 F value | T | 330.13** | 146.93** | 155.45** | 28.94* | 4.79 | 580.32** |
MD | 47.54** | 24.68** | 27.45** | 20.81** | 0.10 | 81.63** | |
T×MD | 0.74 | 2.23 | 0.35 | 1.08 | 0.67 | 4.90** |
Table 8 Effects of mechanically-transplanted modes and density on yield and yield components of hybrid rice at different seedling-ages.
秧龄 Seedling-age | 处理 Treatment | 有效穗数 Effective panicle number /(×104·hm-2) | 每穗粒数 Spikelet number per panicle | 总颖花数 Total spikelet number /(×107·hm-2) | 结实率 Seed-setting rate /% | 千粒重 1000-grain weight /g | 稻谷产量 Grain yield /(t·hm-2) |
---|---|---|---|---|---|---|---|
T1 | M1D1 | 215.84±2.79 b | 234.93±9.07 a | 50.69±1.37 a | 80.49±1.46 b | 30.79±0.33 a | 12.26±0.32 b |
M1D2 | 208.64±1.28 b | 239.18±1.64 a | 49.56±0.37 a | 84.23±0.92 a | 30.57±0.31 a | 12.74±0.11 a | |
M1D3 | 199.43±2.93 c | 235.18±5.85 a | 46.58±0.42 b | 83.42±0.60 a | 30.31±0.69 a | 11.61±0.22 c | |
M2D4 | 239.80±3.26 a | 198.24±4.45 d | 48.67±2.30 a | 77.90±0.70 c | 30.71±0.21 a | 11.09±0.40 d | |
M2D5 | 215.87±6.33 b | 211.04±1.54 c | 46.20±1.45 b | 79.87±1.52 b | 30.67±0.42 a | 10.10±0.43 e | |
M2D6 | 195.42±1.87 c | 221.12±8.60 b | 42.16±0.43 c | 80.54±1.36 b | 30.86±0.39 a | 9.96±0.26 e | |
平均Average | 213.05 | 223.28 | 47.30 | 81.07 | 30.65 | 11.29 | |
T2 | M1D1 | 212.71±4.71 b | 215.02±4.94 ab | 45.89±0.71 a | 80.04±0.64 b | 31.03±0.70 a | 11.28±0.17 a |
M1D2 | 201.67±4.84 c | 218.25±7.36 a | 44.91±0.23 ab | 81.67±2.39 ab | 31.08±0.31 a | 10.88±0.20 a | |
M1D3 | 190.20±5.31 d | 220.18±7.00 a | 43.33±2.37 bc | 82.45±2.09 a | 31.15±0.06 a | 10.33±0.24 b | |
M2D4 | 230.55±11.61 a | 197.40±2.78 d | 44.77±3.07 ab | 74.91±1.26 d | 30.98±0.16 a | 10.43±0.17 b | |
M2D5 | 211.15±3.98 b | 202.86±6.91 cd | 41.86±0.69 c | 76.37±0.84 cd | 30.85±0.27 a | 9.60±0.25 c | |
M2D6 | 181.62±4.13 e | 207.95±2.71 bc | 36.99±1.03 d | 78.00±1.44 c | 30.71±1.03 a | 8.57±0.18 d | |
平均Average | 204.65 | 210.28 | 42.97 | 78.91 | 30.97 | 10.18 | |
变异来源 Source of variation | |||||||
F值 F value | T | 330.13** | 146.93** | 155.45** | 28.94* | 4.79 | 580.32** |
MD | 47.54** | 24.68** | 27.45** | 20.81** | 0.10 | 81.63** | |
T×MD | 0.74 | 2.23 | 0.35 | 1.08 | 0.67 | 4.90** |
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