免费文献传递   相关文献

Genetic Diversity Analysis and Construction of Seed Watermelon Core Germplasm Resources by SSR

籽用西瓜种质资源SSR分析及初级核心种质库构建



全 文 :书!"#$%&
,2016,36(6):1125-1134
犃犮狋犪犅狅狋.犅狅狉犲犪犾.犗犮犮犻犱犲狀狋.犛犻狀.
  !"#$:10004025(2016)06112510               犱狅犻:10.7606/j.issn.10004025.2016.06.1125
%&(
:20160316;)*&%+(:20160509
,-./

()*+,%-.
(2016MS0356);(),/01(20090707,2010704,20110711,20120212);()234526789
:;6<=>?@A
(NDPYTD20133)
0123

B C(1989-),D,EFGH=>;,IJKL9:MNOP?MN@A=>。Email:1010969973@qq.com
QRST:U V,WXY,GH;Z[,IJKL9:MNOP?MN@A=>。Email:wangping@imau.edu.cn
456789:;犛犛犚<=
>?@AB89CDE
! ",# $,% &,#,()*

()\]^% \%_

()`;9:MNOP?@Aabcde

fghi010019)
F G:jkSSRlmno/pq50rstuP,-‚SSRlmnoƒ
„l…jk†‡ˆ‰Š‹ŒŽvw‘’“MN”

=>•–
:(1)K106qSSR—˜™$š›œžŸ
 ¡¢£

~¤€2<31q™$,¥¦§138 ¢£¨© ¡,ªš~¤€ ¡115 ,«83.33%,¬­Shannon’
sR®¯°(犐)±0.4193,¬­Nei’s~¯°(犺)±0.2724,¬­²³´µ-¶°(犖犲)±1.4580,¬­´µ-¶
°
(犖犪)±1.9814,·–50rvwMN¸²¹º<|}~€。(2)k NTsys2.10e»¼qMNOPƒ„l…•
–

MN½<|}¾¿À°Á‚0.57~0.91½,ªšuP4¾t<ÃÄMN½|}¾¿À°ÅƇ,ÇuP4
st<ÃÄMN½<|}¾¿À°ÅÆ2
。(3)jk†‡ˆ‰Š‹Œ,È70%、60%、50%、40%、30%、20%、
10%<ÉʌË,ÌғmÍ|}~€¯°ÎÏÐÑÒs–Ó,Ô̌ÉʾÉ,ՌÉÊ20%Ö¦
10rœMN< 犖犲、犺g犐ק†2Ø,·–Œ20%Ž<‘’“MNqÙÚMN¸²ÆÛ<ܕ€。
HIJ

vk!w
;SSRlmno;MNOP;|}~€;’“MN
KL:Q346+.5;Q789;S651 !NOPQ:A
犌犲狀犲狋犻犮犇犻狏犲狉狊犻狋狔犃狀犪犾狔狊犻狊犪狀犱犆狅狀狊狋狉狌犮狋犻狅狀狅犳犛犲犲犱犠犪狋犲狉犿犲犾狅狀
犆狅狉犲犌犲狉犿狆犾犪狊犿犚犲狊狅狌狉犮犲狊犫狔犛犛犚
SHILei,WANGPing,YANGJing,WANGFengfeng,SUNXiaohua
(ColegeofAgronomy,InnerMongoliaAgriculturalUniversity,KeyLaboratoryofWildPeculiarVegetableGermplasmResource
andEnhancement,Hohhot010019,China)
犃犫狊狋狉犪犮狋:Thegeneticdiversityof50seedwatermelongermplasmfromdifferentplaceswereanalyzedby
SSRmolecularmarkerandtheprimarycorecolectionwasconstructedbyLeastDistanceStepwiseSam
pling(LDSS).Theresultsshowedthat:(1)31pairsofprimerswhichshowedhighpolymorphismwerese
lectedfrom106SSRprimers,showed115polymorphicbandsin138bandsowning83.33%polymorphic
loci,theaverageofShannoninformationindex(犐),Nei’sgeneticdiversity(犺),effectivenumberofaleles
(犖犲)andnumberofaleles(犖犪)byPOPGENE32analysiswas0.4193,0.2724,1.4580and1.9814,re
spectively,whichindicatedhighgeneticdiversityin50seedwatermelonaccessions.(2)Theclusteringre
sultshowedthatgeneticsimilaritycoefficientranged0.57-0.91.Somegermplasmsdistributedindiffer
entoriginsandfargeographicdistanceshowedhighgeneticsimilaritycoefficientin50accessions.(3)The
germplasmweresampledbythemethodofLDSSandratioat70%,60%,50%,40%,30%,20%and
10%,andthegeneticdiversityparametersofeachcoresubsetwascompared.Theresultsshowedthatthe
changeofgeneticdiversityparametersofeachcoresubsetwasnotclearwiththesamplesreducedinsix
samplings.Butthepercentageofpolymorphicloci,犖犲,犺and犐of10primaryaccessionswereobtainedby
samplingproportion20%.Itshowedthattheprimarycorecolectionfrom20%samplingcouldwelrepre
sentthegeneticdiversitiesofthewholecolection.
犓犲狔狑狅狉犱狊:seedwatermelon;SSRmolecularmarker;germplasmresources;geneticdiversity;corecolec
tion
   vk!w (犆犻狋狉狌犾犾狌狊犾犪狀犪狋狌狊ssp.狏狌犾犵犪狉犻狊
var.犿犲犵犪犾犪狊狆犲狉犿狌狊LinetChao)ÝÞvw,߂
àá,âQ!wãMš
äÞ

åw
”、

wvw
”,
IJÕMm±ækçè

éêëMmìí
l±îvwgïvwð^ñM
[1]。
vwó¸²~MôõöN÷øgùú

ûüækýþÿ
!"ÏA#Ü$

%&3

()»Ò*+

Ÿ,-
./

0&Ï123ø

4҇56

78u

—
9:;<2
>M¯°Ÿ?

vw<@A
BCDEFa

?ÂûüjksGH<éGIJK
M

LMÌ4:;ñMNOsP

QRSÒ

TUñ
NVW

6õsX

vw6]
¶^

_ZvwMNOP|}~€=>

`’
“MN”

q‚vk!waMbMNOPk¸²aJfg

#$|}~€OPh;$|}<-i

78
u—9|}OP
MNOPM±jnop。Frankel[23]gBrown[4]=>
s’“MN
vՆ‡x4ܕy$M<|}~€

E@z{xÐop
|}@qr

78u~€‚’“MN<=>
~

Ô~h-‚\‚•ƒ€„

•ƒ€„…[56¶
ø<†‡

¶^

ˆÈ‰•ƒ€„Ž’“MNŠ
h‹<<

lmnoŒaM<=Y•–

ªý
þEŽüÖ¦^õ<|}R®

ýXz

2³4
‘MNOP’ÏšÃϽ<“”€À

78u

•–—
[5]、
˜™š´
[6]、
›œ´
[7]、
M,´
[8]
jk
lmno/plÄ=>žŸ 

¡¢
、`
£

ž¤¥
´#$MN|}~€Ž’“MN¦¦§|§
¨<©ù

ª«-´
[9]
kRAPDnoqvk!w<8Ã
ñM

À

g!wMª¬ÑM<4ÃñM(À)z{
||}~€l…

˜[10]
kRAPDnoq4
Ãvk!w
、2Ã`;!wgst;¤„ƒòk!
w´34ÃñM(À)z{|}~€l…。­®¯
´
[11]
kRAPDnoqst<ïvwMNOP“”
€Àz{l…

?°"¾É

±=>²kSSRlm
no/pq19ÃstuP4<50rv(!)wMN
xyz{|}~€l…

-‚ƒ„l…©ùj
k†‡|}ˆ‰Š‹Œ
(LDSS)Žvw<
‘’“MN”

ýþ±8<4±š~vwMNO
P<³´sµ¶·

±¸Ëz@‹Žvw’“M
N¹z-i

º±vwMNOP¼Ssµ½¾¿ë

1 xygŠ
1.1 R S
±=>ÀÁÍ<50rv(!)wxyu*Ã19
Â5

ÃÄ13r,()5r,AÅ、ÆÇ、È~Ì4
r

ÉÊ

ËÌÌ3r,Í!、°ÎÏÌ2r,ÐÑ<
10rlÄu*10ÃÂ5。ªšÒ`;ƒMN2
r

âQ!w2r。À²xyÓÔÕ~Ü<*Ö×
Ò

µØ50rv(!)wxy(•1)M#‚()
\]^%ØdÙ

¶·ÚÛ´
[12]
<ÜŠ

‚
201488ÝjÍ|;ûÞßüstxyâ‹äå²no<æçèš
,`
véêd
åëì

¡ícdeî‚-80℃ëïšðñòk。
1.2 犘犆犚TU
jkDNAsÜØóì(ôê;Ò²wõö)s
Ü50rxy<-¶÷DNA,k1%øùúûúü
ýgþlÿÿx0!"DNA×xg#x,-20
℃cdòk。œk106q—˜™$Õsܶ÷DNA±$%z{PCR&,›œüý ¡
¢£

~¤€2

a>€Û<31q™$(•2),lÄ
q50rñ-¶÷DNAz{PCRžŸ。PCR
&ÏÀ±20μL
[13],
$%DNA2μL(]50ng/μL),
™$2μL,25mmol/LMgCl21.8μL,2.5mmol/L
dNTPs2μL,10×犜犪狇Buffer2μL,犜犪狇DNAPol
ymerase0.1μL(5U/μL),ddH2O11.1μL。PCR
žŸ{&EBYQ6031E505ƒPCR(Ðz
{


:94℃)р4min,94℃р30s,
52℃S*30s,72℃+,1min,35Ã-5,†Ë
72℃,5min,4℃cdÕòüý,žŸ6$k6%
рƒ./01ûú‚80Vü2V)üý30min,
6211 ! " # $ % &                   363
V1 WX47RS>Y;
Table1 Accessionsofseedwatermelonandsourceofgermplasm
45
Code
xy
Accession
„ƒ
Type  
uP
Sourceofgermplasm
™M4
Introductionplace
1 î¹ Heifeng îvwBlackseedwatermelon ()InnerMongolia ()InnerMongolia
2 î^‹1Heidapian1 îvwBlackseedwatermelon ÃÄGansu ÃÄGansu
3 67,8 Haerkefu âQ!wwatermelon °ÎÏFormerSovietUnion A
4 Í!ïvShanxihongzi ïvwRedseedwatermelon Í!Shaanxi B
5 î9: Heibengjin âQ!w Watermelon ";Beijing B
6 î^‹2Heidapian2 îvwBlackseedwatermelon ÃÄ<=LanzhouGansu B
7 >?åwChifengdagua îvwBlackseedwatermelon ()InnerMongolia ()InnerMongolia
8 ZXG1110 ïvwRedseedwatermelon È~America B
9 (Neimengheizhongpian îvwBlackseedwatermelon ()InnerMongolia ()InnerMongolia
10 AÅï(û)Xinjianghon(chang) ïvwRedseedwatermelon AÅXinjiang AÅXinjiang
11 ^%ïvw

ä@A
)Dabanhongz
igua(fangshewang)
ïvwRedseedwatermelon ÃÄ<=LanzhouGansu B
12  Hongzhongpian ïvwRedseedwatermelon ÃÄGanshu ÃÄGanshu
13 ïwm Hongguazi ïvwRedseedwatermelon ÉÊXingxia B
14 –ÿ Mingguangheixiaopian îvwBlackseedwatermelon 7BAnhui 7BAnhui
15 ^%ïvw

CA
)Dabanhongzigua
(lvwang)
ïvwRedseedwatermelon ÃÄ<=LanzhouGansu B
16 R¦ïwmXindouhongguazi ïvwRedseedwatermelon Ë!D=Guangxihezhou Ë!D=Guangxihezhou
17 ¢óåw Huapidagua îvwBlackseedwatermelon žÌShandong A
18 ÃÄ^%15GansudabanNo.1 îvwBlackseedwatermelon ÃÄGansu B
19 wmw(ïE)Hongzigua(hongren) ïvwRedseedwatermelon ËÌGuangdong A
20 ZXG1263(1) vw Whiteseedwatermelon È~America B
21 ZXG1153 ïvwRedseedwatermelon È~America B
22 š‹ïvwZhongpianhongzigua ïvwRedseedwatermelon îFGHuHeilongjiangtailai îFGHuHeilongjiangtailai
23 QI@JKTongliaoyiwofeng îvwBlackseedwatermelon ()InnerMongolia ()InnerMongolia
24 LMvwLangfangzigua îvwBlackseedwatermelon N"LM Heibeilangfang B
25 O=vwZhenzhouzigua îvwBlackseedwatermelon NÇO= He’nanzhenzhou B
26 ^%wmDabanguazi îvwBlackseedwatermelon ÃÄGansu B
27 ïwm Hongzigua ïvwRedseedwatermelon ÉÊXingxia A
28 AÅXinjiangheixiaopian îvwBlackseedwatermelon AÅXinjiang AÅXinjiang
29 `vwYezigua `;vwWildseedwatermelon ËÌGuangdong ËÌGuangdong
30 PQvwDengkouzigua îvwBlackseedwatermelon ()InnerMongolia B
31 ’Róvw Hetaopizigua îvwBlackseedwatermelon ÃÄGansu B
32 SÝmvwJianyangyuezizigua îvwBlackseedwatermelon TT=FuzhouFujiang A
33 PI542120 `;vwWildseedwatermelon È~America È~America
34 GN1 îvwBlackseedwatermelon ÃÄGansu A
35 UVïvw

WX
)Daoxianhongzigua
(huangrou)
ïvwRedseedwatermelon ÆÇ Hunan B
36 b“(83)Dianxin(83) îvwBlackseedwatermelon YZ<Ukraine A
37 wmw(îE)Guazigua(heiren) îvwBlackseedwatermelon ËÌGuangdong A
72116ü           B C,´ :vk!wMNOPSSRl…b‘’“MN”Ž
  Table1 Continued
45
Code
xy
Accession
„ƒ
Type
uP
Sourceofgermplasm
™M4
Introductionplace
38 ^%25wmDabanNo.2guazi îvwBlackseedwatermelon ÃÄGansu A
39 <=^%15LanzhoudabanNo.1 îvwBlackseedwatermelon ÃÄGansu B
40 ïvw Hongzigua ïvwRedseedwatermelon °ÎÏFormerSovietUnion B
41 UVïvw

X
)Daoxianhongzigua
(bairou) ïvwRedseedwatermelon ÆÇ Hunan B
42 G!R¹ïwmJiangxixinfenghongguazi
ïvwRedseedwatermelon G!Jiangxi G!Jiangxi
43 ¢óvw Huapizigua îvwBlackseedwatermelon Í!Shaanxi B
44 ÉÊïvwNingxiahongzigua ïvwRedseedwatermelon ÉÊNingxia B
45 UVïvw

ïX
)Daoxianhongzigua
(hongrou)
ïvwRedseedwatermelon ÆÇ Hunan B
46 [\^%15JingyuandabanNo.1 îvwBlackseedwatermelon ÃÄGansu B
47 <=^%Lanzhoudaban îvwBlackseedwatermelon <=Lanzhou A
48 UVïvw

]ïX
)Daoxianhongz
igua(fenghongrou)
ïvwRedseedwatermelon ÆÇ Hunan B
49 Avw15XinziguaNo.1 îvwBlackseedwatermelon AÅXinjiang AÅXinjiang
50 AÅïvwXinjianghongzigua ïvwRedseedwatermelon AÅXinjiang AÅXinjiang
^
:A.š~\],%_9:¢_=>À;B.~`!awMNOP¬b(NÇ,O=)。
None:A.VegetableandFlowerResearchInstituteofChineseAcademyofAgriculturalSciences;B.Theplatformofwatermelonand
muskmelongermplasmresources(Henan,Zhengzhou)
ËE70W czü2Vüý90minde,fgËh
‰oi

1.3 Z[<=
ek0、1jkl0ŠmŽSSR°ë”。j
kPOPGENE32»¼l…žŸ6$<~¤µb°、
~¤µbÉn
、Shannon’sR®¯°´|}~€
¯°

jkNTsys2.10e[14]ƒ„l…»¼UPGMA
z{ƒ„l…

Žƒ„o

1.4 ?@AB89CDE>\]^
kNTsys2.10e»¼qMNOPƒ„l…Ë,
jk†‡ˆ‰Š‹Œ
(LDSS)Ž’“M
N
[15]。
¸ÏŠ±

QÕpq50rMN< UPU
MAƒ„o,ã|}¾¿À°^s&1r,tãÐÑ|}¾¿À°^„v

w§›œýþקJx<’“MN

y1
uΐ

œ@zr°MN

²kNTsys2.10e»
¼qªz{ƒ„l…

y2uŒEy1uŒƒ
„l…<-iÐz{

Õ^„v

zuŒË

­j
kPOPGENE32»¼lÄqŽ<’“MN<
SSRPCRžŸ°ëz{’“MN<|}~€l
…

zdz´‘’“MN<ܕ€

2 ©ù?l…
2.1 犛犛犚O_`abc<=
K106qSSR™$š¥›œ31q~¤€
Û

 ¡¢£<™$

lÄq50rxyz{PCRž
Ÿ

o1±™$P1、P43q50rvwxyz{PCR
žŸ<üýo

{o1¨Õ|zÃñÏÀš­
¦§|¢£

¹º< ¡
,¨
z{V@‹<~€l
…
。31q™$(•2)q50rxy¥žŸ138 
 ¡

²115 a>€Û、¢£<~¤€ ¡,~¤
€ ¡Én2×83.33%。•–±=>ÀÁÍwMNOPElm}¬Ð¸²¹º~¤€

MN¸
²ÆÛ<ܕ€

2.2 4789:;deafc<=
|}~€l…©ù

•3)Ó~,50Ãxy<
žŸ ¡¬­ShannonsR®¯°±0.4193,¬­
Neis~¯°±0.2724,¬­²³´µ-¶°±
1.4580,}50rMNOPElm}¬Ð¸²¹º
<|}~€
,¸
²Æ2<ܕ€

2.3 犛犛犚gM<=
31q—˜™$q50rv(!)wMNz{SSR
žŸ

¦§115 ~¤€ ¡,QÕNTsys»¼½,
8211 ! " # $ % &                   363
1~50.45t•1
o1 ™$P1(A)gP43(B)q50rvwxy<PCRžŸo€
1~50.SameasTable1
Fig.1 PCRproductsfromprimerP1(A)andP43(B)with50seedwatermelonaccessions
V2 WX犛犛犚hi>\犘犆犚jk`abc
Table2 SSRprimersandpolymorphismofPCRamplification
™$
Primer

Sequence
Ρ°
No.ofbands
~¤€ ¡
Polymorphibands
~¤€ÉnPercentage
ofpolymorphicband/%
P1
F TCTGTGTGGATGCAAATGGT 6 5 83.33
R GCTAATCGAGCCCAGTTACG
P2
F TCAAAAGGTTTGCCCTAAATGAAA 5 2 40.00
R TGCTGATCTCCCATTCTTAACCTC
P4
F GCAAAGATTGTCTATGAAGCAGCA 4 4 100.00
R GCTCATTGGCTTCTTGAATCTGTT
P5
F TGCTTCAAAATCTATTCACAATTTGC 5 3 60.00
R TTCTTGGTTTCGGGTTTCTTTACA
P6
F AAACCATGATTTTACAGGGGATCA 3 3 100.00
R TTTCTGTCTTCTTTTGACCAATGC
P10
F TGGTTGAAATCAATAAAAAGTGAA 4 4 100.00
R TGGATGTTTTTGGCATTTGA
P11
F TTAGCCTAAGCAAGGGTTTTT 3 2 66.67
R AAGTACACATTTTAAACAATCAATCCA
P12
F TCAAACCGACTGCCATATCA 3 2 66.67
R AGCTTGTCTTCCTGGCCTTT
P13
F AAAATTACATCTTAAATGCGCC 4 4 100.00
R GGAACATTGACTTCAATCAGCA
P14
F TTCTTGAAACTCAACCCTCAAA 5 3 60.00
R AAAGCGTGTCGAGTGTGAGA
P15
F TGGATCATTTGACAGATTTAGCGA 4 4 100.00
R CATCACAGTTAACGATCACAAGGC
P19
F TGTTGAGATTCTTTGATTTCAACTGT 6 5 83.33
R TGGGTCAAAGTATTTTTGCTTTTT
P20
F ATGGTTCATTTTCACGTTCG 6 5 83.33
R AAAAATCAAGCAAAGAACAACAT
P21
F TTCCACACCAAGGAGGTAGG 4 4 100.00
R CATGTCATTCGATAAAGCAGAAA
92116ü           B C,´ :vk!wMNOPSSRl…b‘’“MN”Ž
Table2 Continued
™$
Primer

Sequence
Ρ°
No.ofbands
~¤€ ¡
Polymorphibands
~¤€ÉnPercentage
ofpolymorphicband/%
P24
F ATTTCTGGCCCCAGTGTAAG 6 6 100.00
R GAACAACGCAACCACGTATG
P25
F CCCTATTGCCTATTTTTCTCAA 6 5 83.33
R AAATTTGTGCTCTTCGTGGG
P29
F AGCAAATGCATGGGGAAAAC 3 3 100.00
R TGTTGAATGGAGGCTTTGAG
P30
F ATTTCTGGCCCCAGTGTAAG 5 5 100.00
R GAACAACGCAACCACGTATG
P32
F TCAATTCCAATCATCCATCC 3 3 100.00
R TAATGGCCGGACTTTATGC
P34
F GAGCAGGGGAGAAGGAAAAC 6 6 100.00
R CCAGTAGCTTTTTCCGATGC
P36
F TGCTCAATCCACCCTTCTC 6 5 83.33
R AAAAACAGCAACTCTCCCATC
P43
F CAGAGGAACGAGAGGGAGTG 4 4 100.00
R GGGGAGCCCATATTTTAACC
P47
F GCTTTGAAGTTTGTTTAATTTTAGTCC 3 2 66.67
R CGCCTCACGCTCTCTAAC
P52
F AATCTTCCCCATGCCAAAAC 4 3 75.00
R GACTTCCAAACCCTCCCTTC
P54
F AAAAATTTGAAAATTAGGTGAGGAG 3 2 66.67
R TTTTGACTAGGTGTACACTACCTTTG
P57
F CAAACAAAAACTTAGGAACTAGATTG 4 3 75.00
R TTAGCCATGAGGCGTGTACC
P75
F AGATGCCCCATTCAGTTTTG 6 6 100.00
R TTGAAGGAGAGAGGGAATGG
P81
F AGACAGGGAAATCGCAGAGA 2 2 100.00
R GGTTAAAGGACGTCGGGATT
P83
F TTGGGATGTAGATGTCCGGT 5 5 100.00
R TCCCCAATCCAACTCCCTAT
P94
F ATATGTGTGTCGTGTTCCGC 6 5 83.33
R CAGATTTCCGAGAGGGAAAA
V3 lmnopqrfsDE47AB89`deafc
Table3 GeneticdiversityindexofcorecolectionofseedwatermelonbyLDSS
Œ
Sample
Ρ
Sample
number
´µ-¶°
Observed
number
ofaleles
²³´µ-¶
°Effective
numberof
aleles
Neis~¯°
Neisgene
diversity
Shannons
R®¯°
Shannons
informationindex
~¤€µb
Numberof
polymorphic
loci
~¤µbn
Percentageof
polymorphic
loci/%
Œ°Beforesampling 50 1.9814±0.1438 1.4580±0.3571 0.2724±0.1737 0.4193±0.2237 138 100
 Œ1sampling1 35 1.9783±0.1464 1.4653±0.3468 0.2785±0.1685 0.4282±0.2175 135 97.83
 Œ2sampling2 30 1.9783±0.1464 1.4664±0.3428 0.2801±0.1656 0.4314±0.2125 135 97.83
 Œ3sampling3 25 1.9783±0.1464 1.4725±0.3387 0.2843±0.1627 0.4374±0.2085 135 97.83
 Œ4sampling4 20 1.9783±0.1464 1.4778±0.3270 0.2894±0.1568 0.4453±0.2002 135 97.83
 Œ5sampling5 15 1.9710±0.1684 1.4840±0.3227 0.2934±0.1539 0.4510±0.1960 134 97.10
 Œ6sampling6 10 1.9493±0.2202 1.4849±0.3104 0.2966±0.1471 0.4558±0.1895 131 94.93
 Œ7sampling7 5 1.8623±0.3458 1.4831±0.3238 0.2915±0.1611 0.4424±0.2192 119 86.23
0311 ! " # $ % &                   363
o2 50rvwMNOP<UPGMAƒ„o
Fig.2 UPGMAdendrogramof50edibleseedwatermelongermplasms
o3 IMl‚bo
Fig.3 Theprincipalcomponentscatterplot
EÖ¦<¾¿À°jkš

¾¿À°Hƒ±0.57~
0.91,ªšMN29g33½<¾¿À°†‡,•–
ðT<“”€À†,
Ǔ”€À†7<1÷MN
h32g36,¾¿À°¦±0.87。K-‚SSRno
<ƒ„„„oš¨…

o2),E¾¿À°±0.657

,50rv(!)wMN¨l±6÷。y@÷:2r`
;MN
,29(` vw)g33(PI542120);y†÷:30

PQvw

g34(GN1);y‡÷:4(Í!ïv)g6

î^‹2);yˆ÷:5(î9:)g47(<=^%);
y‰÷
:40[ïvw(ÎÏ)]g44(ÉÊïvw);y
Š÷

ÐÑ<40rMNOP,¾¿À°Hƒ±0.661
~0.910。
13116ü           B C,´ :vk!wMNOPSSRl…b‘’“MN”Ž
2.4 ,t犛犛犚O_`uv<<=
q-‚SSRno<°ëz{IMll…,©ù
Ó~

y@IMl<Š‹Œn±9.13%,y†I
Ml<Š‹Œn±7.42%,y‡IMl<Š‹Œ
n±5.74%,Ž0Š‹Œn±22.84%。êë
zrvwMN
\y@

†IMl‚
bo

o3)。
Ko3¨…,50rv(!)wMNlM4÷,
29(` vw)g33(PI542120)‘’1lulM@
÷
,5(î9:)’*¨l@÷,•–}3rMN?ª
¬rMN|}ˆ‰。
ǪÑrMN¾q“”<
ƒrE@•

•–¬–½<“”€À—é7

˜
+IMll…gƒ„l…q50rv(!)wMN<
l„©ù-±@T

¦ýã`;!wMN

âQ!w
MN?vwMN5l_u

Ô¬–À‘t

ƒ„l…E™~”š¾€<ÃϽ<€Àêý
þsµ›¹º
ÇIMll…œa‚Est
’Ͻ<ƒ„Ðsµ›~
2.5 47AB89C`DE>Z[<=
q50rv(!)wMN<ƒ„l…,ª©ùt
k†‡ˆ‰Š‹Œ
(LDSS)z{Ž’“MN。
¥Œ7u,zuŒŽvw’“MN<|}~
€ž•3。{•3¨Õ|,—9ŒMN°Ÿ

|}~€¶°ÎÏÐÑҁ‡

²³´µ
-¶°ŸÑҁ‡

Œ6<²³´µ-¶°Ÿ
†2
;Neis-¶~€¯°gShannonsR®¯°
­ ²Ÿ?

ÇEŒ6š×§†2Ø;~¤€µb
¡ln¢£VWE¤

EŒ7VW–Ó。Œ
6ÀŽÙÚMN&¥’“MNËcKVu¦§cKMN
[16]。
K•3¨|’“MNcK|
ÙMN20%<ñ,~¤€µb°、´ µ-¶°、²
³´µ-¶°
、Neis|}~€¯°gShannon
o4 Œ6ŽFig.4 Dendrogramofcorecolectionofseed
watermelonNo.6sampling
R®¯°101.84%、108.88%g108.71%,¨ ¨’“MNý
ÆÛ4ܕÙMN|}~€

©rЪl…

Ü
Œ6±‘’“MN(o4)。
3 « ¾
±=>SSRlmnoƒ„©ùÓ~,›œ<
31qSSR™$,q50ru*Ã19Â5MNOP
PCRžŸ138 ¢£<~¤€ ¡,~¤€ ¡
Én2×83.33%,•–±=>ÁͧOPElm}¬Ð¸²¹º<~¤€

‚¬­
´
[17]
k›œ<12 RAPD—˜™$E51rv

!

wMN½¥žŸ80 €¡。ªš74 ±~
¤€ ¡

~¤€ ¡<Én±92.50%,12 —˜
™$<¬­Shannon~€R®¯°±0.7295;k
stlmnoŠqvwMN=>©ù®–|vw
DNAlm}¬Ð<2x~¤€gܕ€。
±cdƒ„l…š

ª|}¾¿À°Á‚0.57
~0.91½,&ÃÄMN,50ÃMNƒ„©ù?
45uP²2<@T€

•–ª“”€ÀɁ7

|}Hƒ¯°

E¾¿À°±0.594ê,ã50rv

!

wMNl±ð^„
,2r`;MNËÌ`;v
w
(29)gÈ~`;vwPI542120(33)‘’ƒ±@
„

ÐÑ48rMNƒ±±@^„,·–}ðr`;
MN<-¶÷gªÀ²¡<|}R®?ª¬MNÂ
½<‹³^

•–|`;ƒ?:;ƒvwMN½
“”€À,2r`;MN½|}€À7,Ç:

}?ª«-´°"=
>©ù¾¿
[9,11,17]。
QÕIMll…gƒ„l…º™~|4½Ð

ʞ

ïvw
(27)g^%25wm(38)<|}¾¿À°±
0.866,SÝmvw(32)gb“(83)(36)<|}¾
¿À°±0.874。2MvwÀ4½µîg;¤5
6st

ÅElm}¬Ðƒ±t@„

•–u*st
45
±

u*t@45
ʞ
u*ÃÄÂ<8rMm„ƒ±^%š^%ïvw

ä@A
)(11)、^ %ïvw(CA)
(15)、ÃÄ^%15(18)、^ %wm(26)、^ %25
wm
(38)、[\^%15(46)“”€ÀɁ7,Ç<
=^%15(39)、<=^%(47)?¬–Ɂ¾q

©ÐÀª

}¨ýh{‚vwE´ûšÌ45¾¶™MÖ·

LMÌ45vw£ñM
2311 ! " # $ % &                   363
QR

t¸³$gt$³¸´<£¹

}M£¹º
nz@‹<»å¼«g=>

’“MNŽhMNOP=><½b

¾¤n
oS±=>’“MN<¯n

²Ý¿g=>ÀkÁ
´Âb

Ô¾¤no<°õm

…[56 ¼<†
‡

qOP<Ãzgl„sþħ

E‘ñM½|
}‹³[18];DNAlmnoh7
8uYZ•u<@MÆl²³ÇÈ<ÉÊ

ªšÝ
‘a>
(simplesequencerepeat,SSR)no/
p¸²¥Ó€

©ù¨Ë

a>€Û[19],
ÀÕ
Eq’“MN<³´Ð

ekSSRlmnoz{³
´¾Éª¬no¸²ª’i<Âb

Ì*Í´
[20]
αÌ$MÏÐ<’“MNG$
s&ݑÒÇz

q&¸Ï<$M

&ȉy$M<
|}~€uz

±cdq50rv(!)wMNO
Pz{†‡ˆ‰Š‹ŒŽ’“MN

qÌ
Œz{|}~€l…

©ù•–—9ŒÜMN
°Ÿ
ÌMN”|}~€¶°Ñҁ‡

Ñ
ö°£|?ØÑÒ

Ô~¤€µb¡ln¢£
VWE¤

©rЪl…
,¨
z20%<’“m͌
6±‘’“MN”。Œ6<Neis-¶~
€¯°gShannonsR®¯°lı0.2966g
0.4558,Ǐ~¤µbÉng´µ-¶°­×§Œ
°<94%ÕÐ,Òr’“MNOPܕÚMN
OP|}~€×§70%~80%Éʱ20%<Œ6ÀŽ<ܕ€

›ýܕÙڒÏ<|}~€

MN
OPr½<ƒ„l÷

ÜŠ

ÜÉÊhŽ’
“MN<€ÓÂ@

Ëüºnek›~Š¼«v
wMN<’“MN

¹º<|}~€h$M¸²›2<Ï&gd
Ôý/<-i

KÇÕýs2$M
IJÕb
ÂÒ|}©Ž<ý/
[22]。
ÀÕ

q£dvwMNO
P&yjÜ@A²³
QՏ`’“M


ÁÍ

cd¸²2|}~€
}A¸²¹º<-¶~€OP<45hãuaM
<ÂNMN”
E\zc»Ö×gqªek
ê&~?^f

wx!N

[1] ­®¯,Ø̬.vw(vk!w)6]°–ZÙ[J].";]
,2007,11:1315.
LIUTJ,WANGLP.Prospectoftheindustryofseedwater
melon[J].犅犲犻犼犻狀犵犃犵狉犻犮狌犾狋狌狉犲,2007,11:1315.
[2] FRANKELO H.Geneticmanipulation:impactonmanand
society[M]//ARBERW,II.I.MENSEER,PEACOCKWJ.
GeneticPerspectivesof Germplasm Onservation.London:
CambridgeUniversityPress,1989:161170.
[3] FRANKELO H.BROWN A H D.Cropgeneticresources:
conservation&.evolution[M]//HOLDENJ H W,WIL
LIAMSJT,犲狋犪犾.CurrentPlantGeneticResourcesTodayA
CriticalAppraisal.London:GeorgeAlen &.UrwinLtd,
1984:249257.
[4] BROWNAHD.Corecolections:apracticalapproachtoge
neticresourcesmanagement[J].犌犲狀狅犿犲,1989,31:818824.
[5] •–—.-‚SSRlmno<žŸ MN|}~€=>?
’“MNŽ
[D].ÚÛ:ÚÛ\]^%,2011.
[6] ˜™š,ÜUÝ,Þºß.-‚AFLPlmno<¡¢ñM’
“MN<Ž
[J].!"#$%&,2012,32(7):13491354.
ZHANGW R,YUAN WJ,SHANGFD.Constructionof
corecolectionofsweetosmanthuscultivarsbasedonAFLP
molecularmarkers[J].犃犮狋犪犅狅狋犪狀犻犮犪犅狅狉犲犪犾犻犗犮犮犻犱犲狀狋犪犾犻犪
犛犻狀犻犮犪,2012,32(7):13491354.
[7] › œ,à á,ªâã,´.ekISSRlmnoŽAÅ
`£’“MNOP
[J].š~\],%,2015,48(10),2017
2028.
LIUJ,LIAOK,ZHAOSR,犲狋犪犾.UsingISSRmarkersto
constructXinjiangwildapricotgermplasmresources[J].犆犺犻
狀犲狊犲犃犵狉犻犮狌犾狋狌狉犪犾犛犮犻犲狀犮犲,2015,48(10):20172028.
[8] M,,äåž,‚ æ,´.ž¤çMNOP<ISSR|}
~€l…?‘’“MN”<Ž
[J].!"#$%&,
2009,29(12):24012407.
BAICK,YUJR,YUF,犲狋犪犾.Geneticdiversityandcon
structionofprimarycoregermplasmin犆狅狉狀狌狊狅犳犳犻犮犻狀犪犾犻狊by
ISSRmarker[J].犃犮狋犪犅狅狋犪狀犻犮犪犅狅狉犲犪犾犻犗犮犮犻犱犲狀狋犪犾犻犪犛犻狀犻犮犪,
2009,29(12):24012407.
[9] ª«-,èéê,Ìïë,´ .vk!wñM(À)½“”€À<
RAPDl…[J].ù„%&,1999,16(3):235238.
ZHAOHJ,LEJH,LIHX,犲狋犪犾.Geneticrelationshipsof
seedwatermelonvarieties(lines)RAPDanalysis[J].犑狅狌狉狀犪犾
狅犳犉狉狌犻狋犛犮犻犲狀犮犲,1999,16(3):235238.
[10] ˜\.vk!wMNOPekgìí€;½˜½<=>
[D].<=:ÃÄ\]^%,2005.
33116ü           B C,´ :vk!wMNOPSSRl…b‘’“MN”Ž
[11] ­®¯,‚¬­,˜ î,´.ïvwMNOP“”€À
RAPDl…[J].š~\%Q&,2010,26(22):264270.
LIUTJ,YUHB,ZHANGK,犲狋犪犾.RAPDanalysisofge
neticrelationshipofRedSeed Watermelongermplasm re
sources[J].犆犺犻狀犪犃犵狉犻犮狌犾狋狌狉犪犾犅狌犾犾犲狋犻狀,2010,26(22):264
270.
[12] Ú Û,ï ð,ñß÷.jkRAPDgISSRno¼«š
~òó`;ô<|}~€
[J].#$%&,2000,42(7):
741750.
QIANW,GES,HONGDY.Assessmentofgeneticvariation
of犗狉狔狕犪犵狉犪狉狕狌犾犪狋犲detectedbyRAPDsandISSRs[J].犃犮狋犪
犅狅狋犪狀犻犮犪犛犻狀犻犮犪,2000,42(7):741750.
[13] õ ö,U V,B C,´.vk!wSSRÏÀ<`?
ÂÒ
[J].()\]^%%&,2015,29(12):24012407.
ZHOUP,WANGP,SHIL,犲狋犪犾.Establishmentandoptimi
zationofSSRsystemforseedusedwatermelon[J].犑狅狌狉狀犪犾狅犳
犐狀狀犲狉犕狅狀犵狅犾犻犪 犃犵狉犻犮狌犾狋狌狉犪犾犝狀犻狏犲狉狊犻狋狔,2015,29(12):
24012407.
[14] ROHI.FFJ.NTSYSpc:Numericaltaxonomyandmultivari
ateanalysissystem,Version2.1[CP].New York:Exeter
Software,2000.
[15] ÷ ø,ù¬–,ú û.-¶ƒØ~uƒ„ŽS$M
NOP’“”
[J].;$°%%&,2000,15(1):103109.
HUJ,XUHM,ZHUJ.Constructingcorecolectionofcrop
germplasmbymultipleclustersbasedongenotypicvalues[J].
犑狅狌狉狀犪犾狅犳犅犻狅犿犪狋犺犲犿犪狋犻犮狊,2000,15(1):103109.
[16] BROWN A H D.Thecorecolectionatthecrossroad.//:
CoreColectionofPlantGeneticresources[PGR].A Wiley
SaycePublication,1995,319.
[17] ‚¬­.vk!wMm;ûYaGü?MNOP|}~€
=>
[D].ýþ:êš\]^%,2010.
[18] Ìÿ?,!"#,Ì$%,´.Ë!Ã&’“MNŽ¼
[J].Ë!\],%,2010,41(7):732735.
LIHF,LUSQ,LIYQ,犲狋犪犾.Preliminarystudyoncon
structingcorecolectionofsweetpotatogermplasminofGuan
gxi[J].犌狌犪狀犵狓犻犃犵狉犻犮狌犾狋狌狉狌犾犛犮犻犲狀犮犲狊,2010,41(7):
732735.
[19] ù¬–,÷ ø,ç(.eklmnog°õ€„-¶ƒ
؎S$’“MN”<=>
[J].;$°%%&,2005,20
(3):351355.
XUH M,HJ,QIUYX.Studyontheconstructionofcore
colectionofcropsbyusingmolecularmarkersandquantitative
traitloci[J].犑狅狌狉狀犪犾狅犳 犅犻狅犿犪狋犺犲犿犪狋犻犮狊,2005,20(3):
351355.
[20] Ì*Í,˜ñ),*}¢,´.#$|}OP’“MN=>
£„?ZÙ
[J].š~\]^%%&,1999,4(5):5162.
LIZC,ZHANGHL,SUNCQ,犲狋犪犾.Statusandprospects
ofcorecolectioninplantgermplasmresource[J].犑狅狌狉狀犪犾狅犳
犆犺犻狀犪犃犵狉犻犮狌犾狋狌狉犪犾犝狀犻狏犲狉狊犻狋狔,1999,4(5):5162.
[21] GUXF,YANGAF,MENGH,犲狋犪犾.Invitroinductionof
tetraploidplantsfromdiploid犣犻狕狔狆犺狌狊犼狌犼狌犫犪Mil,cv.Zhan
hua[J].犘犾犪狀狋犆犲犾犾犚犲狆狅狉狋狊,2005,24(11):671676.
[22] FRANKHAMR,BALLOUJD,BRISCOEDA.Introduc
tiontoConversation Genetics[M].Cambridge:Cambridge
UniverCityPress,2002:1036.

!"

#$%
)  
4311 ! " # $ % &                   363