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Seed Traits Variation and Correlation Analysis of Leymus Chinensis Germplasms

羊草种子性状的变异及其相关分析



全 文 :!24" !1#
 Vol.24  No.1
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ACTA AGRESTIA SINICA
   2016$  1%
  Jan.  2016
犱狅犻:10.11733/j.issn.10070435.2016.01.035
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犛犲犲犱犜狉犪犻狋狊犞犪狉犻犪狋犻狅狀犪狀犱犆狅狉狉犲犾犪狋犻狅狀犃狀犪犾狔狊犻狊狅犳犔犲狔犿狌狊
犆犺犻狀犲狀狊犻狊犌犲狉犿狆犾犪狊犿狊
YUANGuangxiao1,2,HOUShenglin1,LIUPanpan1,2,QIDongmei1,
JIAJunting1,2,LIUZhujiang1,2,MAOPeisheng3,LIUGongshe1
(1.KeyLaboratoryofPlantResources,ChineseAcademyofSciences,Beijing100093,China;
2.UniversityofChineseAcademyofSciences,Beijing100049,China;3.ChinaAgriculturalUniversity,Beijing100193,China)
犃犫狊狋狉犪犮狋:Seedstraitsarethebasisofseedqualityevaluation.Caryopsistraitsof28copies犔犲狔犿狌狊犮犺犻狀犲狀
狊犻狊germplasmswerestudied.Theresultssuggestedthelengthandwidthoflemmawerecaryopsisexista
significantdifferenceindifferentgermplasms;thelemmaandpaleaofmostgermplasmswerenoteasyto
shaloff.Comparisonoftheshelingofvariousgermplasmsshowedthatthelemmaiseasiertofaloffthan
palea;Lemmalengthandcaryopsislength,caryopsislengthandgrainweight,caryopsiswidthandpropor
tionshowedextremelysignificantcorrelation(犘<0.01),andthecorrelationofpaleashelingindexand
Lemmalength,paleashelingindexandcaryopsislength,lemmawidthandthethousandgrainweight
weresignificant(犘<0.05).Ourresultswereusefulfortheevaluationandbreedingof犔犲狔犿狌狊犮犺犻狀犲狀狊犻狊
germplasm.
犓犲狔狑狅狉犱狊:犔犲狔犿狌狊犮犺犻狀犲狀狊犻狊;Germplasm;Seeds;Traits;Variation;Correlationanalysis
HIJK
:20141015;LMJK:2015320
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Table1 Morphologyanalysisof犔犲狔犿狌狊犮犺犻狀犲狀狊犻狊seeds
»F
Index
eڟ
Lemmalength/mm
eÚÞ
Lemmawidth/mm
XfŸ
Caryopsislength/mm
XfÞ
Caryopsiswidth/mm
R©ë
Meanvalue
9.19 1.35 2.95 0.94
Ýu
Minimumvalue
6.71 1.13 2.46 0.85
ÝY
Maximumvalue
11.69 1.70 3.64 1.08
F
Fvalue
17.33 8.57 10.55 7.23
2.3 ¤q‚œ
Xf¸•T<º]ëÚ7.33%,L0.49~0.66
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Fig.1 Variablecoefficientoflengthandwidthoflemmaandcaryopsis
ü
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Note:a:lemmavariablecoefficient;b:caryopsisvariablecoefficient
=2 ~Œe¢£Ï2ú?v&`‹
Fig.2 Threevisualphenotypeofshelingof犔犲狔犿狌狊犮犺犻狀犲狀狊犻狊seed
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Fig.3 Shelingindexof犔犲狔犿狌狊犮犺犻狀犲狀狊犻狊paleaandlemma
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Table2 Correlationanalysisofgrainweight,caryopsisproportion,shelingindex
lemmaandcaryopsissizeindicatorsof犔犲狔犿狌狊犮犺犻狀犲狀狊犻狊
»F
Index
犡1 犡2 犡3 犡4 犡5 犡6 犡7 犡8
犡1 1.00
犡2 0.789 1.00
犡3 0.631 0.356 1.00
犡4 0.104 0.232 0.404 1.00
犡5 -0.259 0.098 -0.249 0.522 1.00
犡6 -0.176 -0.208 0.097 0.322 0.294 1.00
犡7 0.387 0.038 0.428 0.125 -0.108 0.367 1.00
犡8 0.357 0.462 0.516 0.595 0.232 0.212 0.097 1.00
  ü:ú…†ˆ‰,…†ˆ‰。犡1:eڟ;犡2:eÚÞ;犡3:XfŸ;犡4:XfÞ;犡5:Xf¸•;犡6:eڟù»ë;犡7:2ڟù»ë;
犡8:A]•
Note:indicatesignificantcorrelationatthe0.01level,indicatesignificantcorrelationatthe0.05level.犡1:lemmalength;犡2:lem
mawidth;犡3:caryopsislength;犡4:caryopsiswidth;犡5:caryopsisproportion;犡6:shelingindexoflemma;犡7:shelingindexofpalea;
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