免费文献传递   相关文献

Effects of Chilling Stress on the Root Characteristics of 5 Alfalfa Varieties

低温胁迫对5份苜蓿品种根系形态特征的影响



全 文 :!24" !1#
 Vol.24  No.1
! " # $
ACTA AGRESTIA SINICA
   2016$  1%
  Jan.  2016
犱狅犻:10.11733/j.issn.10070435.2016.01.014
¶·z{$5ãñò­eì)ö(hi2|u
,r7
1,2,
3¼s
2,
)tu
1,
6vv
2,
91µ

(1.ª¬,+,,z: ª¬,075000;2.&()*+,-./01,234 5678010010)
78

n/0€Ûú5Dìí
(犕犲犱犻犮犪犵狅狊狋犪狋犻狏犪)}]ñ\8·TUV,»Šj2eT5Mìí1GnBC‡ý,
D‘\‘€Ûú5

DøtŒÉ’ÉÝ6}]ñ\»F

Æ\‘ÒØ|ˆ‰=•

efgh

6@ìí1G
À€Ûú5_T’ÉÝ6}]»Fغ…†

’É݁Ì}"Â
、´
}"„…†
(犘<0.05)$ú…†(犘<0.01)
‡ˆ‰

´}ŸÂ„Wˆ‰

´}ëµïˆ‰

Jrc•Ì}ŸA

Ì}"Â
、´
}"Â6´}ë„ú…†
(犘<0.01)‡ˆ‰,´}ŸÂ„…†(犘<0.05)Wˆ‰;’ÉÝÀì€ÛÓù2%TÁŸ6q€;‘º(1{’6

œ?801’LcnHÒ1GLs¥_Že,GJ。
9:;

ìí

€Ûú5

}]
<=>?@
:S541    ABCDE:A     AFG@:10070435(2016)01010106
犈犳犳犲犮狋狊狅犳犆犺犻犾犻狀犵犛狋狉犲狊狊狅狀狋犺犲犚狅狅狋犆犺犪狉犪犮狋犲狉犻狊狋犻犮狊狅犳5犃犾犳犪犾犳犪犞犪狉犻犲狋犻犲狊
WANGYuntao1,2,YULinqing2,LIJingzhu1,SUNJuanjuan2,XIEJihong2
(1.ZhangjiakouUniversity,Zhangjiakou,HebeiProvince075000,China;
2.GrasslandResearchInstituteofCAAS,Hohhot,InnerMongolia010010,China)
犃犫狊狋狉犪犮狋:Theeffectsofchilingstressonalfalfarootmorphologywerestudiedusing5alfalfavarietiesas
material.Thesurvivalratesandrelatedrootmorphologyoftestedvarietieswereobservedandcomparedby
varianceanalysis,correlationanalysisandclusteranalysis.Theresultsshowedthatthesurvivalratesand
therootcharacteristicsofdifferentalfalfavarietieswereobviousdifferenceafterlowtemperaturestress.
Thesurvivalratewassignificantorextremelysignificantpositivecorrelatedwiththediametersoftaproot
andlateralroot,negativecorrelatedwithlateralrootposition,notcorrelatedwithlateralrootnumber.
Thebiologicalproductionwasextremelysignificantpositivecorrelatedwithtaprootlength,taprootdiame
ter,lateralrootdiameterandlateralrootnumber,wassignificantlynegativecorrelatedwithlateralroot
position.Thesurvivalratedecreasedasthetimeofchilingstressincreasing.Therefore,‘GongnongNo.
1’and‘Longmu801’canbeusedaspopularizedvarietiesincoldarea.
犓犲狔狑狅狉犱狊:Alfalfa;Chilingstress;Rootsystem
HIJK
:20141211;LMJK:20150706
NOPQ

¬*¾¿À

‰ŠEDabò‹ýs:Ïd‰¾¨
(2012BAD12B02)”;&¹9º˜*/,1®»*/)¼½©´“
¸

&()*+,-./01
)(1610332014007);z:ž‰Š¤)¾¨N]“Å
5RST

{ûÉ
(1985),—,z:ЩÉ,šË/09,ÍÎ?-JG/0,Email:wytao88@163.com;<Ôc™ Authorforcorre
spondence,Email:Linqing_yu@126.com
  ìí(犕犲犱犻犮犪犵狅狊犪狋犻狏犪L.)Úð÷SP“6Ï
dMÝsTf*?-

5‘HFs¤

EDMë
ìnµJ

?-ã{

$

?-¶_

TVS


AFJ·TP“ûü

ÕìíKwGJŽ¸
XMŠ‹Ü

!‘ÚL&s¹AT¥Ž()]
^
[1],
~ÕT‹:

¡:6¤:Tú=_Ž
[2]。
J
KT}ÚêìJKÆÍÙC&^_ûnQ=6D=
TŒ

ÚÙC“”T"#Ïd™6¤`T•«|

[3]。
èéJK9ŸTôaWN

_Sú=T
9ŸLûYÄASfgé_œ}]T9Ÿ‰ö
[4],
n}]ep,§BuvJK}]T9Ÿ‰ö

1j
<=/0JKT}]epç/0JKT9Ÿ°JÞ
J•«÷ø
[5]。
ìíÚº}FJK

}]°W
[6]。
n}]ÚX
TÌ«¦§Œ
[78],
<=}]gF‰TKŠ


j|<=D=Ê_}]hŒ?UV_xì
íTø¥

L§Ú•«TïÂ
[9]。
·nvÉDìí
LX#~<=}]8·T<ðçKŠ€ÛHl
T/0¢…62

»/0<=ÉÃÂ&ÛA<ðD
5Mìí1G\‘€Ûú5_}]ñ\8·\‘¡
¸t

n/0}]6ø¥T‰]›œ¡BC®¯

ns¥_ŽìíT9¤øù›œß©TÿÏ

! " # $ !24"
1 UVWXY
1.1 jk/^_
BC_Ÿé2345678¦Ù»8­ç+¢
oyT&()*+,-./01(?æ¼ÜBC
˜<®_

‘_ùŸÂnN40°34′39″~40°35′41″,E
111°34′39″~111°47′06″,ª«1055m,¬Y܏ˆ
š‰Š‹

š‰

¥&

Ð+

$R©ŠÛ5.8~
6.3℃,7%Vú?sÛ37.3℃,1%Vú?€Û
-32.8℃,≥10℃ÖÛ2700℃jS,ï#130d­
®

$R©Q`350~450mm。BC_¬é+
FŸNJÙ
,pH 8.5 ­®,ÙCwx,»)`
0.03%,JÁF»`0.6%,»i`0.035%。
1.2 jk­e
~g11˜
1.3 jkÛµ
ÜBC1Gé2011$8%8bG,Ôdœà
ÀÁŽä²²

bG`n2g·m-2,¿M1GG4
‘

‘ùn30cm,1Gã%%r50cm。BC#%
«K2õ-ïX

õìíãeT-àõnC-

g
’Ù<š2BQ
),
ÆÜ[ö±T°9

é-$
10%&K,Ü1G©(ŸIß#TÈÉÞdx
³&

³s14.5cm,³,2Â17cm,³ž2Â
11.5cm),¿³15½,¿M1G12³,¿3³nß
•*

>éÛË&ŒÉ
(20d)。èéÍ÷%d
%Udö%

ÛAÚßMjŒ:€_êsT=
Ä

nÂ&.=Ä»BCМBìíLŒÉe5
_>ƒ€Û“Dà

VPERCIVAL*¾ºp9
¤

&\‘€ÛÓù

Œjÿ“L5℃,0℃6-
2℃œÓù7dœ’ø¥¾³。·_ÐÛA6
Í-10℃,¿ˆu2Û6Q=2℃,L-10℃œ
МBìí=¾À4,6,8610h>äÓù。Óù
œ’_

ÐÛAŒ:êsÍ2℃,=Á。·_М
BìíÂéPۜ)*9Ÿ

R΃1M%_,
^²’ÉÝÆ鈉»F

`1 ­e¸A
Table1 Alfalfavarietiesandsources
³{ NO. 1GïS Varieties ajïLatinname àF Type ç”Source


œ?801’
‘LongmuNO.801’
犕犲犾犻犾狅狋狅犱犲狊狉狌狋犺犲狀犻犮狌狊(L.)
X犕.狊犪狋犻狏犪L.cv.LongmuNo.801
íf_xìíCæG ›œžê?1


梿¸

‘Algonquin’
犕.狏犪狉犻犪Martin.cv.Algonquin Cxìí &()*+,-./01


º(1{’
‘GongnongNO.1’
犕.狊犪狋犻狏犪L.cv.GongnongNO.1 _xìí &()*+,-./01

‘YL80’
‘YL80’
犕.狊犪狋犻狏犪L 1] &(*,-./01


À™

‘Aohan’
犕.狊犪狋犻狏犪L.cv.Aohan _xìí J¶¦ê?\]/01
1.4 jkXY
ŒÉ’ÉÝ
,^
²€ÛÓù_’ÉTJrëj
|€ÛÓùvTJrë

’ÉÝ
(%)=(€ÛÓù_
Jrë

€ÛÓùvJrë
)×100%[10]。
}]»F

Ì}ŸA

¿M1GfŸI®»ß#
TJr10r,Ã`}ñjœÌ}ß"dÌ}d≥
0.1cmÓTŸA;Ì}"Â,¿M1GfŸI®»
ß#TJr10r,Ã`}ñjœ1cmÓTÌ}"
Â
;´
}ŸÂ

¿M1GfŸI®»ß#TJr10
r

Ã`ù}ñÝäT!ßM´}5}ñTù5
;´
}"Â

¿M1GfŸI®»ß#TJr10r,Ã
`ù}ñÝäT!1Í´}HäÌ}ÓT"Â;´


¿M1GfŸI®»ß#TJr10r,^ ²
Ì}S1J"Â≥0.5mmT´}ëµ[11]。Jrc
•

¿M1GfŸI®»ß#TJr10r,d`m
áRS`³´}~XL2TWrJK•`

1.5 lmno
ëÏTWù6=•=¾Ôd Excel20036
SAS9.0ëÏ=•ÕÖ。
2 pqW>r
2.1 c~ñò­e¹¶·noüyIÕ2‚"
€ÛÓù_TŒÉ’ÉÝLjû"DTuv6
@ìí1GTø¥–o

~ë11˜。
ìí1GTŒÉ’ÉÝÀì€ÛÓù2%TÁ
ŸWNS„PjŒ:œ_žŸœTóI

Üì
í1GLÀ€ÛÓù4h66h_TŒÉÝغ6
Y

À€ÛÓù8h_TÜìí1GTŒÉÝ®»€
201
!1# {ûÉ?:€Ûú5D5Vìí1G}]ñ\8·TUV
L50%­®,5.‘LcnìíTˆ#¾ÓùÍÖ;
L€ÛÓù10h_,6@ìí1GTŒÉ’ÉÝØ
º¸tY
,‘
œ?801’6‘YL-80’T’ÉÝts,€
Wd40%jS,‘梿¸’6‘º(1{’T’ÉÝ7
&
,‘
À™

Jràú¾6

=1 ºjñò­e¹¶·noü2yIÕ
Fig.1 Thesurvivalratesofalfalfavarieties
afterlowtemperaturestress
2.2 ¶·noüºjñò­e2‘ìö(hi
œB1GõÀ™ìíL10h€Ûú5_¾6
e

‘/1G)*9Ÿ_TÌ}ñ\8·Øºh…

Üìí1GTÌ}ŸALÀû܀Ûú5_غ…
†
(犘<0.05),ÆòLÜÛAú5œ,©n‘º(1
{

TÌ}ݟ
,‘
œ?801’“ã,õ6hÓù_,‘æ
¢¿¸

TÌ}ÝCe

‘/ÛAú5_

©n
‘YL80’TÌ}ÝC,ò€6‘º(1{’TÌ}Ÿ
غ…†
(犘<0.05);Üìí1GTÌ}ŸALÜ
€Ûú5œ©„PjíY_‚uTóI

IóI6


Üìí1GTÌ}"ÂLÀû4,668h€
Ûú5_غh…

L10h_غ6h…:L4h
2
,‘
梿¸

TÌ}Ýò
,‘
º(1{’“ã,‘YL
80’ÝH,7n2.74mm;L6h2,‘º(1{’TÝ
òn3.74mm,‘œ?801’“ã,‘YL80’ÝH7n
2.78mm;L8h2,‘YL80’Ì}Ýòn4.12mm,

À™

ÝHn2.68mm,òÌ}"ÂÝòTìí1
GÌ}"ÂÝHTìí1G©Øº…†
(犘<
0.05),10h2õe。
`2 ºjñò­e¶·noü‘ìö(hi}¢‚"
Table2 Thedifferencecomparisonoftaprootcharacteristicsamonglowtemperaturetreatments
1GïS
Varieties
Ì}Ÿ
Taprootlength/cm
Ì}"Â
Taprootdiameter/mm
4h 6h 8h 10h 4h 6h 8h 10h

º(1{’
‘GongnongNO.1’
19.78a 20.23a 21.97a 19.24a 3.70a 3.74a 3.43ab 3.27a

œ?801’
‘LongmuNO.801’
18.25ab 18.99a 18.10b 17.83ab 3.64a 3.66ab 3.49ab 3.35a

À™

‘Aohan’
16.46b 17.07ab 16.76bc ——— 3.19ab 3.40abc 2.68b ———
‘YL80’
‘YL80’
13.62c 14.95bc 15.04c 15.55b 2.74b 2.78c 4.12a 3.18a

梿¸

‘Algonquin’
16.91b 13.15c 16.55bc 15.74b 3.78a 2.94bc 3.29ab 3.12a
2.3 ¶·z{üºjñò­e2»ìö(hi
œBìí1GL܀Ûú5_T´}ñ\8·
غh…

I

À™

ìíL10h€ÛÓù_¾6。
´}ŸÂL4hÓù_غ6…†;nL‘/ÛA
œØº…†
(犘<0.05):L6hÓù_,‘À™’ìí
T´}ŸÂÝ4n6.35cm,‘梿¸’T´}Ÿ
ÂÝän3.30cm;L8hÓù_,‘À™’T´}Ÿ
ÂÝ4n6.08cm,‘YL80’TÝän3.01cm;L
10hÓù_,‘º(1{’T´}Ý4n6.19cm,
‘YL80’TÝän3.22cm。´}"ÂõLÀû6h
€ÛÓù_غ…†e

L‘/ÛAœ©6…†


º(1{’Ýò,‘œ?801’ÝH;L6h2,‘º(
1{’T´}Ýòn1.77mm,‘œ?801’T´}Ý
Hn0.91mm;L8h2,‘œ?801’6‘YL80’Ý
ò©n1.25mm,‘À™’ÝH7n0.91mm;L10
h2,‘œ?801’Ýò,‘º(1{’ÝH。Üìí1
GT´}ëµLÜÛAœØº…†

L4h2,‘œ
?801’ëµÝ,n5.60Í,‘YL80’݃n2.80
Í

òغ…†
(犘<0.05);L6h2,‘º(1{’Ý


n5.30Í,‘À™’݃n3.80Í,غ6…†;
L8h2,‘YL80’ݍ,n6.50Í,‘梿¸’݃
n3.30Í,غ…†(犘<0.05);L10h2,‘º(
1{’ݍn5.10Í,‘œ?801’݃n3.10Í,I
غ6…†

301
! " # $ !24"
`3 ºjñò­e¶·noü»ìö(hi}¢‚"
Table3 Thedifferencecomparisonoflateralrootcharacteristicsamonglowtemperaturetreatments
1GïS
Varieties
´}ŸÂ
Lateralrootposition/cm
´}"Â
Lateralrootdiameter/mm
´}ë
Lateralrootnumber
4h 6h 8h 10h 4h 6h 8h 10h 4h 6h 8h 10h

º(1{’
‘GongnongNO.1’
5.16a 3.69b 3.86b 6.19a 1.45a 1.77a 1.22a 0.94a 4.20ab 5.30a 4.33ab 5.10a

œ?801’
‘LongmuNO.801’
4.74a 5.83ab 4.17ab 3.62b 1.02a 0.86b 1.25a 1.19a 5.60a 4.10a 4.10ab 3.40a

À™

‘Aohan’
4.26a 6.35a 6.08a ——— 1.06a 1.02b 0.91a ——— 3.70ab 3.80a 3.40ab ———
‘YL80’
‘YL80’
3.68a 4.25ab 3.01b 3.22b 1.30a 1.00b 1.25a 0.96a 2.80b 4.30a 6.50a 3.67a

梿¸

‘Algonquin’
3.46a 3.30b 4.00ab 4.17ab 1.36a 0.95b 1.19a 1.14a 4.40ab 4.25a 3.30b 4.20a
2.4 ºjñò2yIÕ§fàœWì)hi2

<=D5Mìí1G€ÛÓù_T’ÉÝ6
c•}]»F\‘ˆ‰=•

~g41˜。
Ì}ŸAÌ}"Â
、´
}ë6Jrc•„ú…
†‡ˆ‰
(犘<0.01),´}ŸÂ„…†‡ˆ‰
(犘<0.05),UhÌ}XŸ,XT"Â3Xò,SÓ
ì9T´}ëµ3X

9K`A3Xs
;´

Ì}Ÿ’…†‡ˆ‰
(犘<0.05),‘X»F
„…†$ú…†Wˆ‰

Uh´}5}ñù5X
4

Ì}XHŸ
、´
}T"ÂA3Xu

ò´}ë
µAtƒ

Ì}"´}"Â
、´
}ë6c•„
ú…†‡ˆ‰
(犘<0.01),UhÌ}òYTJr,
´}"ÂAtY

òèéÌ}TgÓÖtY


ì9T´}ëµAt

9K¤`tY

Jrc•
Ì}Ÿ

Ì}"Â
、´
}"Â6´}ë„ú…†
‡ˆ‰
(犘<0.01),´}ŸÂ„…†Wˆ‰(犘
<0.05),Uh9K¤`sTJrÞJÌ}6´}
òY
、´
}5}ñtäò´}뵍?8­

’É
݁Ì}"Â
、´
}"Â6Jrc•„…†$ú
…†‡ˆ‰

UhÌ}6´}òY

9K`sTJ
r’ÉÝts

ø¥t–

`4 ºjñò­e2yIÕwàœWì)hi 29Ï
Table4 Thecorrelationsbetweensurvivalrate,totalweightandrootcharacteristicsafterlowtemperaturestress
žë
Parameters
Ì}Ÿ
Taproot
length
´}ŸÂ
Lateralroot
position
Ì}"Â
Taproot
diameter
´}"Â
Lateralroot
diameter
´}ë
Lateralroot
number

Totalweight
’ÉÝ
Survivalrate
Ì}Ÿ
Taprootlength
1.000
´}ŸÂ
Lateralrootposition
0.181 1.000
Ì}"Â
Taprootdiameter
0.404 -0.157 1.000
´}"Â
Lateralrootdiameter
0.063 -0.283 0.273 1.000
´}ë
Lateralrootnumber
0.346 -0.175 0.715 -0.016 1.000

Totalweight
0.481 -0.145 0.851 0.266 0.711 1.000
’ÉÝ
Survivalrate
0.094 -0.119 0.345 0.265 0.000 0.417 1.000
2.5 ºjñò­e2>?
ÐéTŒÉ’ÉÝ

Ì}Ÿ

Ì}"Â
、´
}
ŸÂ
、´
}"Â
、´
}ë6Jrc•cn=•<`

d5ØRÒ6`àâD5Mìí1G\‘=à,~
ë21˜。L*+ù5n0.12LÐ5M1Gh…
=n3à:!1à³»J‘º(1{’6‘œ?801’
ñM1G

XÛT’ÉÝs

Ì}òY
、´
}5}ñ
ù5t4
、´
}ëµt

UhXÛTø¥t–

9Kc¤`ts

!2à³´‘YL80’6‘梿
¸

ñM1G

XÛT’ÉÝ6Ü´}]»F7&

401
!1# {ûÉ?:€Ûú5D5Vìí1G}]ñ\8·TUV
UhXÛTø¥69Kc¤`Aßh

!3àr
³»

À™
’,
XÞJ’É݀

Ì}6´}"Ât
u

Jrc•tuT8­

UhXTø¥tØ

9
Kc¤`t€

=2 5s­e¼myIÕwì)¹C2½?>r
Fig.2 Clusteranalysisbasedonthesurvivalratesandrootcharacteristicsof5alfalfamaterials
3 ˆ‰Wp‰
}]ÚJK^_

Úð6h+D=T•«Œ

XT9Ÿ°J‰ö"#UVJKT_S9K`
[12],
\nUVììí9¤§6L£„Ïd
[11,13],
~U

[14]、
Ž¥
[1516]、
ø‰
[1718]
6ø
[19]
?

»BCT/0efû`T]h¡}]°J‰öŽ
¥T‰]

6@ìí1GÀ6@€ÛÍÖÓù_
TÌ}ŸA

Ì}"Â
、´
}ŸÂ
、´
}"Â6´}
ëغh…

1G%غJ‰

.ZSST/
0efˆQ
[20]。
{%“L6@ìí1G}]8·
|‘ø¥‰]T/0&A¤kdß#Tef
[21]。
€Ûú5_T’É݁Ì}"Â
、´
}"„…†
$ú…†‡ˆ‰

.L§Úèé€Û8#

_ShŒ
TEDKFc_œÚÞ

Ì}6´}XòY

h+T
EDKFX

ø¥A3X–

Ix¹°LX
_xìí}]‰÷ÁT‰]|‘ø¥:Š&
zkOXÝ6Ì}"Â6´}"„Wˆ‰
[23]
T/0ef

’É݁´}ŸÂ„Wˆ‰

Ë´}
ù5_gX4

_xìíXÝX€

nÚÞTED
KFL_œT=>Xƒ
;´
}XHä_Ó

(^_T
EDKFX

’ÉÝ3Xs



(EDKFX
ƒ

’ÉÝA3X€

’É݁´}ëµïˆ‰

.x¹°kdTø¥´}뵅†ˆ‰Te
yˆu
[22]。
5.Déìíø¥Ì}"Â
、´
}
"Âj|´}ëT‰]JRé\ß/0

}]ÞJՌ|9Kš’cd

D_SúT9
Ÿ

ñ\’°9cd

5.}]9Ÿ°J‰ö"#
DJK_Sú9K`¤9ûYUV
[23]。
6@Gà
$6@1GJK}]ñ\8·

LÙC&T=>8
·69Ÿ°J‰öSÜJ8­

Ì«c*+8g
©
[15],
@2AcHlÍÖTUV

?-}]T°J
‰öÚ-_^P‘ÀÖM69\MT•«Ð
]

AÚìíÊG§C’¦T‰

»/0&ìí
T}]ñ\»FJrT9Kc¤`†‡ˆ‰

J
rc•Ì}ŸA

Ì}"Â
、´
}"Â6´}ë„
ú…†‡ˆ‰

´}ŸÂ„…†Wˆ‰

.ß
ÂzL_xìí1G}]8£69K`T
‰]/0&1kefß#
[24]。
}]Ü»Fã%A
ÞJ…†$ú…†ˆ‰

.«{
[24]
6h}
[25]
T
/0efˆß#

\ß]h¡Ì}6´}òY

´}뵍

(}]TgÓÖtY
,^
_TQ=6D
=A3t

5._SúT9Ÿ3t7í

JÏéš
KFTÖ¹

Ý_T9Kc¤`3Xs

L:Òs¥_Ž

ìíTø¥–oÚUVì
í=><=YuT•«8

ntsT9K¤`Ú
Éۉ4T•«µF

.ñM«uÚÊG=Ä&Œ
j«^T

Xۉ]dìíTÀÖ:˜6Ïd$
501
! " # $ !24"
A

œBìí1GT’ÉÝÀì€ÛÓù2%TÁ
Ÿ6q€
;-10℃œÓù10h2,LõnœBì
í1GTˆ#¾Óù
。‘
º(1{’6‘œ?801’.
ñMìí1GTø¥t–

Ì}6´}òY
,´
}
뵍

9Kc¤`Ats

LcnHÒ1GLs¥
_Že,GJ

”•AB
[1] §Þ,ƒµö,¦LÃ,?.&ìíӚŠ‹Ž³/0[J].-
_+i
,2007,15(2):316321
[2] €¡Ä.&ìí[M].:;:&()O…Ó,1995
[3] RaySS.u^}•=>ÂâT©`/0[J].e(+^à
cK
,1994,1(1):2526
[4] ßÈ|.9ý*+•p¤)[M].˜Z:&ZÃ)Y+O…
Ó
,1999
[5] l€Å,/Å.ïDë`ÀE+Êy[M].:;:&¢)O…
Ó
,2000
[6] "ƒx,éƒ,Þn¡,?.6@ìí1GJ-$ã%9Ÿ°
J}]8·T¸t
[J].-.-„,2011,31(5):2126
[7] VentroniLM,VolenecJJ,CangianoCA.Faldormancyand
cuttingfrequencyimpactonalfalfayieldandyieldcomponents
[J].FieldCropsResearch,2010,119(2):252259
[8] BrummerEC,ShahM,LuthD.Reexaminingtherelationship
betweenfaldormancyandwinterhardinessinalfalfa[J].Crop
Science,2000,40(4):971977
[9] CastonguayY,BertrandA,MichaudR,犲狋犪犾.Coldinduced
biochemicalandmolecularchangesinalfalfapopulationsselec
tivelyimprovedforfreezingtolerance[J].CropScience,2011,
51(5):21322144
[10]{ûÉ.6@ìí‡ýTø¥Øº/0[D].:;:&(
)*+,
,2013
[11]JohnsonLD,MarquezJJ,LambJFS,犲狋犪犾.Rootmorphol
ogyofalfalfaplantintroductionsandcultivars[J].CropSci
ence,1998,38(2):497502
[12]RusselRS.PlantRootSystems:TheirFunctionandInterac
tionwiththeSoil[J].JournalofAppliedEcology,1978,125
(4):1215
[13]MarquezOrtizJJ,JohnsonLD,BasigalupDH,犲狋犪犾.Crown
morphologyrelationshipsamongalfalfaplantintroductionand
cultivars[J].CropScience,1996,36(3):766770
[14]MarquezOrtizJJ,LambFS,JohnsonLD,犲狋犪犾.Heritabili
tyofcrowntraitinalfalfa[J].CropScience,1999,39(1):38
43
[15]PerfectE,MilerRD,BurtonB.Rootmorphologyandvigor
effectsonwinterheadingofestablishedalfalfa[J].Agronomy
Journal,1987,79(6):10611067
[16]AviceJC,OurryA,LemaireG,犲狋犪犾.Rootproteinandvege
tativestorageproteinarekeyorganicnutrientsforalfalfashoot
regrowth[J].CropScience,1997,37(4):11871193
[17]McintoshMS,MilerDA.Geneticandsoilmeatiereffectson
thebranchingroottraitsinalfalfa[J].CropScience,1981,21
(1):1518
[18]SalterR,MeltonB,WilsonM,犲狋犪犾.Selectioninalfalfafor
forageyieldwiththreemoisturelevelsindroughtboxes[J].
CropScience,1984,24(2):345349
[19]HwangSF,GaudetDA.Effectsofplantageandlateseason
hardeningondevelopmentofresistancetowintercrownrotin
firstyearalfalfa[J].CanadianJournalofPlantScience,1995,
75(2):421428
[20]ZSS,Y¢Æ,tÇ,?.6@}Fìí}]D€Ûú5T
VŠ|‘ø¥ÁM
[J].&9\()+i,2011,19(3):
619625
[21]{%“.6@ìí1G}]8·|‘ø¥‰]T/0
[D].ÈY:67()Y+,2008
[22]x¹°,e‹Ò,e¶,?.X_xìí}]‰÷ÁT
‰]|‘ø¥:Š
[J].&()*+,2015,48(9):1689
1701
[23]«{.6@ìí1G}]8·|‘-¤`‰]T/0[D].
ÈY

67()Y+
,2008
[24]ßÂz,eFk,Ǿ,?._xìí1G}]8£6
9K`T‰]
[J].-)+i,2014,23(2):147153
[25]h},¨ »ã,tQ,?.6@_xìí1G}]9Ÿ8/0
[D].5678:!·È&ìí°±Yÿ,2013,4:202209

%&( ,-.)
601