Crops ›› 2019, Vol. 35 ›› Issue (5): 69-75.doi: 10.16035/j.issn.1001-7283.2019.05.012

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Main Agronomic Traits Variation and Its Effects on Yield Composition of Mung Bean in Northern Shanxi Province

Liu Xingye1,Xing Baolong2,Wu Ruixiang2,Wang Guimei2,Liu Fei2   

  1. 1 Datong Agricultural and Rural Bureau, Datong 037008, Shanxi, China
    2 High Latitude Crops Institute,Shanxi Academy of Agriculture Sciences, Datong 037008, Shanxi, China
  • Received:2019-05-13 Revised:2019-09-10 Online:2019-10-15 Published:2019-11-07
  • Contact: Baolong Xing

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Abstract:

This paper aims to study the variation of main agronomic traits and their role in yield composition of new mung bean varieties (lines), so as to provide scientific basis for the establishment of mung bean high-yield system. Using 25 new mung bean varieties (lines) from the joint identification test of new mung bean varieties (lines) of the National Edible Bean Industry Technology System (2016-2017) as the experimental materials, the variability analysis, correlation analysis and path analysis were carried out for eight agronomic traits, including plant height, nodes of main stem and pods per plant, and so on. The results showed that the variation coefficient of seeds per pod was the smallest, only 7.30% (2017), and the variation coefficient of yield was the most extensive, it was 35.86% (2016). Yield was not significantly correlated with other traits, except that yield was significantly positively correlated with pod length (r=0.609) and seeds per pod (r=0.679). Path analysis showed that the direct path coefficient for yield were pod length >plant height > seeds per pod > pods per plant > 100-seed weight > branches of main stem > nodes of main stem, and direct effects of pod length, seeds per pod, plant height, pods per plant and 100-seed weight on yield were positive, while the direct effects of nodes of main stem, branches of main stem on yield were negative. Comprehensive analysis showed that, in the high-yielding mung bean breeding, the seeds per pod was less affected by the external environment, and had the greatest correlation with the yield as well as good performance in both direct and indirect effects, which should be taken as the main research object. The direct and indirect effects of pod length and 100-seed weight were both positive, which should be the main screening objective and the mutual influence and balanced development of characters should be taken into account so as to develope the potential of mung bean germplasm resources.

Key words: Mung bean, Yield components, Agronomic traits, Variation analysis, Correlation analysis, Path analysis

Table 1

List of experimental materials"

编号
Number		 品种(系)
Variety (Line)		 选育单位
Breeding unit
1 品绿2011-06 中国农业科学院作物科学研究所
2 品绿2011-12 中国农业科学院作物科学研究所
3 冀绿0816 河北省农林科学院粮油作物研究所
4 冀绿HNZ0810 河北省农林科学院粮油作物研究所
5 苏绿16-10 江苏省农业科学院
6 苏绿15-11 江苏省农业科学院
7 鄂绿5号 湖北省农业科学院粮食作物研究所
8 1009-2-5 山西省农业科学院作物科学研究所
9 白绿9号 吉林省白城市农业科学院
10 白绿10号 吉林省白城市农业科学院
11 同1188326 山西省农业科学院高寒区作物研究所
12 辽绿10L708-5 辽宁省农业科学院
13 保绿200810-1 保定市农业科学院
14 保绿201012-7 保定市农业科学院
15 科绿2号 内蒙古自治区农牧业科学院
16 142-139 黑龙江省农业科学院齐齐哈尔分院
17 122-225 黑龙江省农业科学院齐齐哈尔分院
18 潍绿11号 青岛市农业科学研究院
19 潍绿12号 青岛市农业科学研究院
20 宛绿2号 南阳市农业科学院
21 JLPX01 吉林省农业科学院
22 JLPX02 吉林省农业科学院
23 渝黑绿3号 重庆市农业科学院
24 渝绿2号 重庆市农业科学院
25 中绿5号 中国农业科学院作物科学研究所

Table 2

Statistical analysis of main agronomic characters of mung bean in 2016"

品种(系)
Variety (Line)		 株高(cm)
Plant
height		 主茎节数
Nodes of
main stem		 主茎分枝数
Branches of
main stem		 单株荚数
Pods per
plant		 荚长(cm)
Pod length		 荚粒数
Seeds per
pod		 百粒重(g)
100-seed
weight		 产量
(kg/hm2)
Yield
品绿2011-06 Pinlü2011-06 31.80 9.20 3.40 42.00 9.90 8.80 6.21 767.10
品绿2011-12 Pinlü2011-12 42.20 10.40 3.20 42.00 8.70 10.20 5.75 423.00
冀绿0816 Jilü 0816 38.20 9.80 2.40 44.60 10.70 11.80 7.36 922.05
冀绿HNZ0810 JilüHNZ0810 35.10 8.20 3.20 24.00 9.10 11.40 6.98 765.00
苏绿16-10 Sulü 16-10 71.00 14.20 3.60 16.60 9.90 10.20 6.98 414.00
苏绿15-11 Sulü 15-11 45.40 11.60 3.20 45.00 10.10 12.20 5.87 633.00
鄂绿5号Elü 5 58.60 12.00 3.00 39.00 10.40 13.00 6.06 611.10
1009-2-5 48.60 11.30 3.20 28.90 9.90 11.80 5.22 1 264.05
白绿9号Bailü 9 49.50 9.50 2.30 28.70 11.20 12.30 7.95 1 034.10
白绿10号Bailü 10 39.20 11.20 2.80 25.00 12.20 11.60 7.35 1 105.05
同1188326 Tong 1188326 76.80 12.20 2.20 35.40 8.60 13.40 5.34 1 347.00
辽绿10L708-5 Liaolü 10L708-5 27.60 6.20 1.20 21.60 8.70 11.80 6.09 477.00
保绿200810-1 Baolü 200810-1 25.20 7.40 1.40 21.80 8.90 10.80 7.32 559.05
保绿201012-7 Baolü 201012-7 29.60 7.20 2.40 20.80 8.50 10.60 7.09 747.00
科绿2号Kelü 2 39.90 9.60 2.00 16.20 10.20 11.60 7.88 1 010.10
142-139 26.70 7.80 2.00 25.40 9.00 10.20 6.07 409.95
122-225 38.10 9.40 1.80 21.40 10.90 11.40 7.51 661.05
潍绿11号Weilü 11 29.20 7.60 1.20 20.80 10.60 10.00 5.95 588.00
品种(系)
Variety (Line)		 株高(cm)
Plant
height		 主茎节数
Nodes of
main stem		 主茎分枝数
Branches of
main stem		 单株荚数
Pods per
plant		 荚长(cm)
Pod length		 荚粒数
Seeds per
pod		 百粒重(g)
100-seed
weight		 产量
(kg/hm2)
Yield
潍绿12号Weilü 12 30.20 7.40 1.20 30.40 8.60 10.20 5.87 650.10
宛绿2号Wanlü 2 37.20 9.20 2.20 35.00 9.00 11.60 5.74 859.05
JLPX01 48.00 11.00 2.00 16.60 10.70 11.60 7.65 956.10
JLPX02 42.70 8.30 1.70 27.30 9.70 12.20 5.78 1 437.00
渝黑绿3号Yuheilü 3 55.60 11.20 2.20 21.20 10.80 13.00 5.53 792.00
渝绿2号Yulü 2 30.60 8.20 2.20 32.00 8.40 10.60 5.78 613.05
中绿5号Zhonglü 5 42.60 10.60 2.60 28.40 8.90 11.40 6.73 835.05
平均值Average 41.58 9.63 2.34 28.40 9.74 11.35 6.48 795.15
标准差SD 13.20 1.93 0.72 8.91 1.02 1.08 0.85 285.15
变异系数CV (%) 31.75 20.06 30.54 31.36 10.50 9.50 13.05 35.86
权重Weight (%) 17.38 10.98 16.73 17.17 5.75 5.20 7.14 19.64
位次Rank 2 5 4 3 7 8 6 1

Table 3

Statistical analysis of main agronomic characters of mung bean in 2017"

品种(系)
Variety (Line)		 株高(cm)
Plant
height		 主茎节数
Nodes of
main stem		 主茎分枝数
Branches of
main stem		 单株荚数
Pods per
plant		 荚长(cm)
Pod length		 荚粒数
Seeds per
pod		 百粒重(g)
100-seed
weight		 产量
(kg/hm2)
Yield
品绿2011-06 Pinlü2011-06 32.50 7.60 3.60 35.60 8.70 11.00 5.50 837.00
品绿2011-12 Pinlü2011-12 43.50 8.00 3.00 49.20 7.90 10.70 4.98 891.00
冀绿0816 Jilü 0816 34.90 7.70 2.70 33.40 10.00 11.30 6.58 1 161.00
冀绿HNZ0810 JilüHNZ0810 32.50 7.70 3.10 28.00 9.40 10.30 5.94 882.00
苏绿16-10 Sulü 16-10 66.20 9.00 2.80 26.30 8.30 10.30 6.17 771.00
苏绿15-11 Sulü 15-11 47.40 8.40 2.00 33.00 8.70 11.50 5.89 891.00
鄂绿5号Elü 5 53.90 8.00 2.70 32.60 8.70 11.50 5.42 1 159.50
1009-2-5 46.30 7.80 2.20 35.10 8.40 11.30 4.69 606.00
白绿9号Bailü 9 39.90 7.20 2.60 28.90 10.30 12.60 6.07 1 438.50
白绿10号Bailü 10 43.20 7.80 2.60 35.90 9.90 12.10 6.01 1 581.00
同1188326 Tong 1188326 90.60 11.00 2.80 45.80 7.40 12.60 3.88 960.00
辽绿10L708-5 Liaolü 10L708-5 27.20 6.30 2.80 21.60 7.60 11.00 5.27 894.00
保绿200810-1 Baolü 200810-1 29.10 7.10 3.00 25.20 8.20 11.20 6.36 678.00
保绿201012-7 Baolü 201012-7 35.60 7.40 2.80 34.40 8.10 9.90 5.76 891.00
科绿2号Kelü 2 35.20 6.40 2.40 29.10 9.20 11.80 5.93 1 195.50
142-139 37.50 6.60 2.80 28.40 8.90 11.90 5.75 909.00
122-225 52.40 7.50 2.50 30.60 10.10 12.00 6.29 1 245.00
潍绿11号Weilü 11 29.70 7.10 3.00 27.20 7.10 10.70 5.51 834.00
潍绿12号Weilü 12 34.00 7.20 2.70 39.00 7.80 10.10 5.39 1 077.00
宛绿2号Wanlü 2 34.80 6.50 2.60 30.90 8.00 10.90 5.46 718.50
JLPX01 41.80 7.90 2.70 30.60 9.90 12.80 6.78 1 381.50
JLPX02 40.20 7.10 3.00 28.50 7.40 11.00 5.49 786.00
渝黑绿3号Yuheilü 3 52.40 7.30 2.40 32.60 8.60 11.50 5.10 1 165.50
渝绿2号Yulü 2 34.80 7.00 3.10 34.00 7.80 10.30 5.04 811.50
中绿5号Zhonglü 5 48.10 7.90 2.20 34.40 8.30 10.20 5.74 996.00
平均值Average 42.55 7.58 2.72 32.41 8.59 11.22 5.64 990.45
标准差SD 13.60 0.95 0.34 5.99 0.92 0.82 0.63 246.00
变异系数CV (%) 31.96 12.53 12.46 18.49 10.76 7.30 11.11 24.84
权重Weight (%) 24.69 9.68 9.63 14.29 8.31 5.64 8.58 19.19
位次Rank 1 4 5 3 7 8 6 2

Table 4

Correlation analysis of main agronomic characters and yield of mung bean"

性状
Character		 株高
Plant height		 主茎节数
Nodes of main stem		 主茎分枝数
Branches of main stem		 单株荚数
Pods per plant		 荚长
Pod length		 荚粒数
Seeds per pod		 百粒重
100-seed weight		 产量
Yield
株高Plant height -1
主茎节数
Nodes of main stem		 -0.904** -1
主茎分枝数
Branches of main stem		 -0.233 -0.450* -1
单株荚数Pods per plant -0.231 -0.345 -0.401* -1
荚长Pod length -0.077 -0.240 -0.069 -0.147 1
荚粒数Seeds per pod -0.528** -0.396* -0.279 -0.022 0.454* 1
百粒重100-seed weight -0.269 -0.124 -0.065 -0.462* 0.643** 0.016 1
产量Yield -0.301 -0.266 -0.165 -0.043 0.609** 0.679** 0.243 1

Table 5

Path coefficient of agronomic characters and yield"

性状Character 相关系数
Correlation
coefficient		 直接通径系数
Direct path
coefficient		 间接通径系数Indirect path coefficient
株高
Plant
height		 主茎节数
Nodes of
main stem		 主茎分枝数
Branches of
main stem		 单株荚数
Pods per
plant		 荚长
Pod
length		 荚粒数
Seeds
per pod		 百粒重
100-seed
weight		 合计
Total
株高Plant height 0.301 0.508 -0.425 -0.026 0.055 0.041 0.168 -0.021 -0.208
主茎节数Nodes of main stem 0.266 -0.470 0.459 -0.050 0.082 0.127 0.126 -0.010 0.735
主茎分枝数
Branches of main stem		 -0.165 -0.111 0.118 -0.212 0.096 0.037 -0.089 -0.005 -0.055
单株荚数Pods per plant 0.043 0.239 0.117 -0.162 -0.045 -0.078 0.007 -0.036 -0.197
荚长Pod length 0.609 0.530 0.039 -0.113 -0.008 -0.035 0.145 0.051 0.079
荚粒数Seeds per pod 0.679 0.319 0.268 -0.186 0.031 0.005 0.241 0.001 0.360
百粒重100-seed weight 0.243 0.079 -0.137 0.058 0.007 -0.110 0.341 0.005 0.164
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