Crops ›› 2019, Vol. 35 ›› Issue (1): 81-84.doi: 10.16035/j.issn.1001-7283.2019.01.013

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Study on Improving the Hybrid Seed Setting Rate of Soybean

Bo Liu,Ling Wei,Junhong Xiao,Haifeng Yang,Xueyan Duan,Aiping Chen,Ruilan Ren   

  1. Wheat Research Institute, Shanxi Academy of Agricultural Sciences, Linfen 041000, Shanxi, China
  • Received:2018-06-19 Revised:2018-08-28 Online:2019-02-15 Published:2019-02-01
  • Contact: Ling Wei

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Abstract:

The effects of 5 female parents, 10 male parents, 11 hybridization dates, and 59 hybridization moments on the soybean hybrid seed setting rate were studied. The results showed that different female parents had significant effects on the soybean hybrid seed setting rate. J4032 and Qihuang 26 used as female parents were easy to obtain hybrid progenies. Different male parents had a very significant effect on the soybean hybrid seed setting rate, Avery and G3005 were prone to obtain progeny of crossbreds as male parents. The different hybridization dates had a very significant effect on the soybean hybrid seed setting rate. Different hybridization moments had no significant effects on the soybean hybrid seed setting rate. The factors affecting the soybean hybrid seed setting rate were diverse and complex which need further research.

Key words: Soybean hybridization, Parents, Date and moments of hybridization, Seed setting rate

Table 1

Effects on hybridization success or fail by female parents"

值
Value		 df 渐进Sig. (双侧)
Progressive Sig. (Two-tailed)		 蒙特卡洛Sig.(双侧) Monte Carlo Sig. (Two-tailed)
Sig. 99%置信区间99% confidence interval
下限Lower limit 上限Upper limit
Pearson卡方
Pearson chi-square		 9.8 4 0.044 0.039 0.034 0.044
似然比
Likelihood ratio		 11.2 4 0.024 0.035 0.030 0.040
Fisher的精确检验
Fisher′s exact test		 9.5 0.039 0.034 0.044

Fig.1

Counts of hybridization success or fail by different female parents"

Table 2

Effects on hybridization success or fail by male parents"

值
Value		 df 渐进Sig. (双侧)
Progressive Sig. (Two-tailed)		 蒙特卡洛Sig. (双侧) Monte Carlo Sig. (Two-tailed)
Sig. 99%置信区间99% confidence interval
下限Lower limit 上限Upper limit
Pearson卡方
Pearson chi-square		 35.3 9 0.000 0.000 0.000 0.000
似然比
Likelihood ratio		 41.2 9 0.000 0.000 0.000 0.000
Fisher的精确检验
Fisher′s exact test		 34.7 0.000 0.000 0.000

Fig.2

Counts of hybridization success or fail by different male parents"

Table 3

Effects on hybridization success or fail by dates of hybridization"

值
Value		 df 渐进Sig. (双侧)
Progressive Sig. (Two-tailed)		 蒙特卡洛Sig. (双侧) Monte Carlo Sig. (Two-tailed)
Sig. 99%置信区间99% confidence interval
下限Lower limit 上限Upper limit
Pearson卡方
Pearson chi-square		 34.5 10 0.000 0.000 0.000 0.000
似然比
Likelihood ratio		 42.0 10 0.000 0.000 0.000 0.000
Fisher的精确检验
Fisher′s exact test		 33.6 0.000 0.000 0.000

Fig.3

Counts of success or fail by different dates hybridization"

Table 4

Effects on hybridization success or fail by different hybridization moments"

值
Value		 df 渐进Sig. (双侧)
Progressive Sig. (Two-tailed)		 蒙特卡洛Sig. (双侧) Monte Carlo Sig. (Two-tailed)
Sig. 99%置信区间99% confidence interval
下限Lower limit 上限Upper limit
Pearson卡方
Pearson chi-square		 59.9 58 0.408 0.402 0.389 0.414
似然比
Likelihood ratio		 81.1 58 0.024 0.426 0.413 0.439
Fisher的精确检验
Fisher′s exact test		 56.9 0.303 0.291 0.315
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