Crops ›› 2017, Vol. 33 ›› Issue (2): 67-71.doi: 10.16035/j.issn.1001-7283.2017.02.011

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Genetic Diversity Analysis on Main Characters of Spring Wheat Germplasms in Central Asia

Zeng Chaowu,Liang Xiaodong,Li Jianjiang   

  1. Institute of Grain Crops,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,Xinjiang,China
  • Received:2016-11-09 Revised:2017-01-24 Online:2017-04-15 Published:2018-08-26

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Abstract:

Genetic diversity of 128 spring wheat germplasms in Central Asia based on agronomic characters was studied. The results showed that the genetic diversity of 128 spring wheats in Central Asia was abundant, the average genetic diversity index was 1.9922; the genetic diversity index of 1000-grain weight was the highest in nine characters, but the genetic diversity index of number of sterile spikelet was the lowest; the genetic diversity index of the germplasms from Kyrghyzstan was the highest, but from Kazakhstan was the lowest. 128 spring wheat varieties(lines) were divided into six groups using the method of cluster analysis. The cluster analysis results showed that the classification of these germplasms had a higher consistency with geographical origin, and the comprehensive characters performance of the first group was the best.

Key words: Central Asia, Spring wheat, Agronomic character, Genetic diversity

Table 1

Names and sources of 128 spring wheat germplasms"

来源Source 份数Number 材料Material
吉尔吉斯斯坦
Kyrgyzstan


 29



 春小麦白芒-1、红皮耐寒春麦、吉引C-XM2012-11、春麦大穗无芒、吉引C-XM2012-14、春小麦黑芒、春小麦白芒-2、吉引C-XM2012-17、无芒矮秆早熟、春小麦红芒、吉引C-XM2012-20、白皮春小麦、白皮耐寒春麦、春小麦红皮、土耳其小麦、吉引XM2012-36、红皮小麦、吉引XM2012-38、吉引XM2012-39、楚河川、吉引XM2012-44、吉引XM2012-46、吉引XM2012-47、吉引XM2012-48、吉引XM2012-50、Gopgou16、XM-6、吉引XM2012-54、光头小麦
塔吉克斯坦
Tajikistan








 68










 塔引XM2012-1、pxobaXX-1、pxobaXX-2、有芒白小麦、XaT-1、顶芒白小麦、塔引XM2012-6、塔引XM2012-7、
塔引XM2012-8（白）、塔引XM2012-8（红）、塔引XM2012-10、992-011、Wyxa-2、992-014、DapauMyxTop（白）、DapauMyxTop（红）、XaT-2、塔引XM2012-17、塔引XM2012-18、塔引XM2012-19、塔引XM2012-20、塔引XM2012-21、塔引XM2012-22、塔引XM2012-23、塔引XM2012-24、塔引XM2012-25、塔引XM2012-26、塔引XM2012-27、塔引XM2012-28、塔引XM2012-29、塔引XM2012-30、塔引XM2012-31、塔引XM2012-32、塔引XM2012-33、塔引XM2012-34、塔引XM2012-35、塔引XM2012-37、塔引XM2012-38、塔引XM2012-39、塔引XM2012-40、塔引XM2012-41、塔引XM2012-42、塔引XM2012-43、塔引XM2012-44、塔引XM2012-45、塔引XM2012-46、塔引XM2012-47、塔引XM2012-48、塔引XM2012-50、塔引XM2012-51、塔引XM2012-52、塔引XM2012-53、苏尔哈克、塔引XM2012-55、塔引XM2012-56、塔引XM2012-57、塔引XM2012-58、塔引XM2012-59、书哈克、塔引XM2012-61、塔引XM2012-62、塔引XM2012-63、塔引XM2012-64、塔引XM2012-65、塔引XM2012-66、塔引XM2012-67、Y/727（塔引）、Y/729（塔引）
哈萨克斯坦
Kazakhstan


 31



 哈引XM2012-1、K10、L70、哈引XM2012-4、哈引XM2012-5、哈引XM2012-6、K17、阿斯塔纳-1、阿斯塔纳-2、阿斯塔纳-3、阿斯塔纳-4、阿斯塔纳-5、阿斯塔纳-6、阿斯塔纳-7、阿斯塔纳-8、阿斯塔纳-9、阿斯塔纳-10、阿斯塔纳-11、阿斯塔纳-12、阿斯塔纳-13、阿斯塔纳-14、阿斯塔纳-15、阿斯塔纳-16、阿斯塔纳-17、阿斯塔纳-18、阿斯塔纳-19、阿斯塔纳-20、阿斯塔纳-21、阿斯塔纳-22、阿斯塔纳-23、阿斯塔纳-24

Table 2

Performance of agronomic traits of 128 spring wheat germplasms"

项目Item 最大值Maximum 最小值Minimum 平均值Mean x 极差Range 标准差
Standard deviation		 变异系数(%)
Coeffecient of variation		 遗传多样性指数(H')
Genetic diversity index
株高Plant height (cm) 165.00 82.00 125.27 83.00 14.18 11.32 1.9750
生育期Growth period (d) 111.00 92.00 99.19 19.00 3.53 3.56 2.0260
穗长Ear length (cm) 12.84 5.65 9.97 7.19 1.34 13.45 1.9779
穗下节长Length of uppermost internode (cm) 64.23 26.50 42.37 37.73 7.87 18.56 2.0211
小穗数Number of spikelet 30.10 13.50 18.74 16.60 2.89 15.41 2.0168
不育小穗数Number of sterile spikelet 4.80 0.10 1.52 4.70 0.96 62.86 1.8651
穗粒数Number of grain per spike 83.10 14.70 39.30 68.40 9.93 25.27 2.0039
穗粒重Grain weight per spike (g) 4.70 0.49 1.82 4.20 0.56 30.56 2.0056
千粒重1000-grain weight (g) 55.54 27.01 42.04 28.53 6.62 15.74 2.0381

Table 3

Genetic diversity index（H'） of spring wheat germplasms in different central Asia countries"

来源Origin 吉尔吉斯斯坦
Kyrghyzstan		 塔吉克斯坦
Tajikistan		 哈萨克斯坦
Kazakhstan
株高Plant height (cm) 1.8148 1.7208 1.2373
生育期Growth period (d) 1.7363 1.7497 1.5540
穗长Ear length (cm) 1.9259 1.7807 1.8143
穗下节长(cm)
Length of uppermost internode		 1.7113
 1.5838
 1.7004
小穗数Number of spikelet 1.5863 1.8208 1.3226
不育小穗数
Number of sterile spikelet		 1.8295
 1.7807
 1.8663
穗粒数
Number of grain per spike		 1.8186
 1.8579
 1.7642
穗粒重(g)
Grain weight per spike		 1.8586
 1.7386
 1.7533
千粒重1000-grain weight (g) 1.7771 1.5907 1.6080
平均值Average 1.7843a 1.7360ab 1.6245b

Fig.1

Dendrogram based on agronomic characters"

Table 4

Agromomic traits of six groups in spring wheat germplasms"

性状Character 类群Group
Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ
株高Plant height (cm) 112.94 124.38 130.11 120.14 136.45 128.11
生育期Growth period (d) 99.55 93.50 99.59 97.50 99.45 105.00
穗长Ear length (cm) 10.55 6.59 10.04 8.99 10.86 10.11
穗下节长Length of uppermost internode (cm) 42.05 56.92 39.62 35.24 48.02 36.82
主穗小穗数Number of spikelet 20.21 17.44 16.31 16.39 20.53 21.68
不育小穗数Number of sterile spikelet 0.90 0.98 1.09 2.24 1.56 3.56
穗粒数Grain number per spike 50.43 40.56 32.79 29.52 39.76 41.70
穗粒重Grain weight per spike (g) 2.42 2.27 1.70 1.25 1.68 1.58
千粒重1000-grain weight (g) 44.23 51.30 46.73 39.81 36.83 35.57
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