Crops ›› 2016, Vol. 32 ›› Issue (1): 38-45.doi: 10.16035/j.issn.1001-7283.2016.01.008

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The Effect of the Botanical Traits on the Yield Model in Broomrape Resistant Sunflower

Wang Peng,Chen Yinchu,Li Wanyun,Liu Shengli,Liu Yantao,Zhao Gang   

  1. Crop Institute,XinJiang Academy of Agricultural and Reclamation Science,Shihezi 832000,Xinjiang,China
  • Received:2015-11-10 Revised:2016-01-14 Online:2016-02-15 Published:2018-08-25

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Abstract:

Eight edible-type broomrape resistant sunflower varieties (strains) were selected,and the correlation between yield and economic characteristics,physiological characteristics,grain characteristics were analyzed by multiple correlation analysis and path analysis;then the yield model of the edible-type broomrape resistant sunflower was constructed and the direct and indirect effect of the model variables were quantified.The results showed that,the yield of the broomrape resistant sunflower (CL) was affected by many factors;these plant traits not only had direct effects,but also showed the strong indirect effect according combined effect with other properties.After eliminating the effect of the interspecific,the grain weight of single sunflower plate (DPLZ),hundred grain weight (BLZ),seed setting rate (JSL), plant height (ZG),grain width (LK) and the disc diameter (PJ) were the main variables of the sunflower yield model, Com-MODEL(CL=-6.023+0.014DPLZ+0.06JSL+0.328BLZ+0.014ZG-4.571LK+0.156PJ),this model could explain 86.9% of the CL.Among these variables,LK,BLZ and PJ had extremely significant (P<0.001) or significant (P<0.01) effect on CL,which decided the most variations of CL,then were DPLZ and JSL;ZG had small impact on CL.

Key words: Broomrape, Plant trait, Yield model, Path coefficient analysis

Fig.1

Correlations between 100-grain weight and yield in different cultivars"

Fig.2

Correlations between single disc grain weight and yield in different cultivars"

Fig.3

Correlations between seed kernel rate and yield in different cultivars"

Fig.4

Correlations between seed setting percentage and yield in different cultivars"

Fig.5

Correlations between grain length and yield in different cultivars"

Fig.6

Correlations between number of leaves and yield in different cultivars"

Fig.7

Correlations between plant height and yield in different cultivars"

Fig.8

Correlations between disk diameter and yield in different cultivars"

Table 1

Correlation coefficients between yield and agronomic property"

性状
Trait		 CL
Yield		 DPLZ
Grain weight of single disc		 BLZ
100-grain weight		 ZRL
Seed kernel rate		 DPLS
Grain number of single disc		 JSL
Seed setting rate		 LC
Grain length		 LK
Grain width		 ZG
Plant height		 JC
Stem diameter		 YS
Number of leaves		 PJ
Disc diameter
CL 1.000
DPLZ 0.663** 1.000
BLZ 0.580** 0.660** 1.000
ZRL 0.414** 0.267 0.168 1.000
DPLS -0.109 0.080 -0.171 0.147 1.000
JSL 0.556** 0.436* 0.113 0.509** -0.227 1.000
LC 0.418* 0.052 0.267 -0.243 -0.056 -0.138 1.000
LK 0.019 0.233 0.465* -0.286 -0.102 -0.146 0.397* 1.000
ZG 0.487* 0.314 0.397* 0.308 -0.116 0.234 0.038 0.084 1.000
JC -0.027 -0.076 -0.041 0.137 -0.043 -0.012 0.067 -0.045 0.311 1.000
YS 0.432* 0.025 -0.022 0.173 0.248 0.045 -0.029 -0.016 0.415* 0.021 1.000
PJ 0.496* 0.064 0.067 -0.201 0.127 -0.220 0.013 0.150 0.046 -0.190 0.083 1.000

Table 2

The direct and indirect affection of the different agronomic property"

性状
Trait		 相关系数
Correlation
coefficient		 直接通径系数
Direct path coefficients		 间接通径系数 Indirect path coefficients
DPLZ
→CL		 JSL
→CL		 BLZ
→CL		 ZG
→CL		 LK
→CL		 PJ
→CL		 合计
Total
DPLZ Grain weight single disc 0.663 0.014 0.026 0.217 0.004 -1.065 0.010 -0.808
JSL Seed setting rate 0.726 0.060 0.006 0.037 0.003 0.667 -0.034 0.680
BLZ 100-grain weight 0.777 0.328 0.009 0.006 0.005 -2.126 0.011 -2.094
ZG Plant height 0.805 0.014 0.004 0.014 0.107 -0.384 0.007 -0.251
LK Grain width 0.823 -4.571 0.003 -0.009 0.153 0.001 0.023 0.177
PJ Disc diameter 0.837 0.156 0.001 -0.013 0.022 0.001 -0.686 -0.675

Table 3

The proportion of R2 of agronomic property"

BLZ
100-grain weight		 PJ
Disc diameter		 LK
Grain width		 DPLZ
Grain weight of single disc		 JSL
Seed setting rate		 ZG
Plant height		 Total
对R2贡献Proportion R2 0.555 0.331 -0.280 0.190 0.144 0.011 0.951
P 0.000 0.011 0.014 0.042 0.050 0.105 0.000
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