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Relationship between Yield and Photosynthesis of Leaf and Silique of Different Brassica napus L. Varieties during Reproduction Period

甘蓝型油菜生殖生长期叶片和角果光合与产量关系的研究



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,2016,36(7):1417-1426
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WANGChunli1,WANGZhouli1,CHENTing2,YANGJianli1,
CHENWenjie1,MUJianxin1,TIANJianhua1,ZHAOXiaoguang1
(1 HybridRapeseedResearchCenterofShaanxiProvince,Yangling,Shaanxi712100,China;2ColegeofAgronomy,
NorthwestA&FUniversity;Yangling,Shaanxi712100,China)
犃犫狊狋狉犪犮狋:Taking11犅狉犪狊狊犻犮犪狀犪狆狌狊L.varietiesofdifferentsuitableareasasmaterial,weexaminedthe
photosyntheticgasexchangeparameters,photosyntheticpigmentcontentsandkeyenzymeproteincon
tentsinleafandsiliqueofplantsduringreproductivegrowthperiod,alsoinvestigatedagronomiccharac
ters,relationshipbetweenyieldandphotosynthesisoftheplants;Thestudyaimedtoexploremainfactors
affectingphotosyntheticefficiencyofleaves(siliques)andseedsyieldperplant,thuselaboratingatheory
evidencetosystematicalyassessrapevarietywithhighyieldandhighphotosynthesisefficiency.Results
showedthat:(1)Netphotosynthesisefficiencywashardlycorrelativeamongleavesandsiliques,andnet
photosynthesisefficiencyofleaveswasfarhigherthanthatofsiliques.(2)Netphotosyntheticefficiencyof
leavesnotsignificantlypositivecorrelatedwithchlorophyla+bandcarotenoidcontents(correlationcoeffi
cientswerehigher),and,notsignificantlynegativecorrelatedwithPEPC,RuBisCOproteincontentof
leaves,orthecorrelationcoefficientsamongnetphotosyntheticefficiencyandPEPC,RuBisCOprotein
contentswerelower.Correlationcoefficientsofnetphotosyntheticefficiencyandchlorophyla,b,carote
noidcontents,photosyntheticstomatalconductanceofsilique(shel)werehigher.Photosynthesispigment
contentswerefirstprincipalfactorinfluencedphotosynthesisefficiencyofleavesandsilique.(3)Leaf
area,siliquenumberandsiliquesurfaceareasignificantlycorrelatedwithseedsyieldofrapeplant.These
indexeswereattributedtofirstprincipalfactorsinfluencedtheseedsyield;similarly,netphotosynthetic
efficiencyofleavesandseednumberpersiliquewereattributedtosecondprincipalfactorinfluencedthe
seedyield.Significantly,leafareaandbiologicalyieldwascorrelated,thesiliquesurfacearea,leafsurface
areaandleafnetphotosyntheticefficiencywerestatisticalyattributedtoprimaryorsecondprincipal
factorsinfluencedbiologicalproductionofarapeplant.Thusleafareaandsiliquenumberperplantare
primaryindexes,andleafnetphotosynthesisefficiency,chlorophylcontentofleavesandsiliqueshel,
and,seednumberpersiliquearesecondindexesinassessingrapevarietywithhighlighteficiencyandhighyield.
犓犲狔狑狅狉犱狊:oilseedrape;photosynthesis;photosynthesispigments;leavesarea;siliquesnumber;yield
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comparingamongtestedvarietiesofoilseedrapessignificantdifference(犘<0.05)ofphotosynthesisindexeswasindicatedas
differentletters(lowercase)abovebars.Thesameasbelow
Fig.1 Photosynthesisindexesofsiliquesandleavesofrapeplantsofdifferentvarieties
á2 NOUVAB_`abc¦CPEPCxRuBisCOrstno
Fig.2 ContentsofPEPCandRuBisCOproteininleavesandsiliqueshelsofrapeplantsofdifferentvarieties
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Table1 Contentsofphotosyntheticpigmentsofleavesandsiliqueshelsofrapeplantsofdifferentvarieties
PQ
Organ
UV
Variety
_ma
Chlorophyla
/(mg·g-1)
_mb
Chlorophylb
/(mg·g-1)
_ma+b
Chlorophyla+b
/(mg·g-1)
§¨©ªm
Carotenoid
/(mg·g-1)
_`
Leaves
Q10 1.35ab 0.37a 1.72a 0.44a
F737 1.35a 0.37ab 1.72a 0.41ab
Q88 1.25abc 0.32bc 1.58ab 0.40ab
Q33 1.19abcd 0.31c 1.5abc 0.37bc
Q7 1.16abcd 0.32bc 1.48abc 0.38bc
Z1012 1.14abcd 0.30c 1.45abc 0.35bcd
H15 1.11bcd 0.30c 1.4abc 0.35bcd
R8 1.08cd 0.29c 1.37abc 0.34cd
R11 1.05d 0.29c 1.34bc 0.33cd
D1 1.03d 0.27c 1.29c 0.32cd
H2 1.00d 0.26c 1.26c 0.31d
bc¦
Siliqueshels
D1 0.26a 0.09a 0.34a 0.1a
R11 0.23b 0.09a 0.32ab 0.1a
H15 0.22b 0.07b 0.29b 0.1a
Z1012 0.19c 0.06c 0.25cd 0.08b
R8 0.18cd 0.05c 0.23cde 0.07b
Q7 0.17d 0.05c 0.23de 0.07bc
Q88 0.17d 0.05c 0.22de 0.06cd
Q10 0.17d 0.05c 0.22e 0.07bc
F737 0.16de 0.04cd 0.21ef 0.06cd
Q33 0.20c 0.06c 0.26c 0.08b
H2 0.15e 0.04d 0.18f 0.06d


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(犘<0.05),ßO。
Note:Photosyntheticpigmentcontentwascalculatedbyfreshweightofthesamples;intablevaluesfolowedbydifferentletters(lower
case)indicatedsignificantdifference(犘<0.05)comparingamongtestedvarietiesofoilseedrape.Thesameasbelow.
12417]              234,9:RSTAB<[<\]_`abcefz{op|d./
h2 opqr78Žt<=、?@hij^}~j€
Table2 Surfaceareaofleavesandsiliquesanddrymatteraccumulationofoilseedrapeplantsofdifferentvarieties
UV
Variety
bc±¯°
(SS)
Siliquesurface
area/cm2
_`¯°
(LS)
Leafarea/cm2 SS
/LS
<$%{o
Biological
output/g
fbc±¯°
Siliquesurface
areaper
silique/cm2
b…k
Seednumber
persilique
U…Â
1000seed
weigh/g
bck
Silique
number
„…{o
Seed
weight/g
F737 1439.20a 1897.80a 0.76 68.57a 5.71cd 24.62bc 4.37b 306.32a 32.37a
R8 1032.43bcd 1839.85a 0.56 66.44ab 4.74f 28.67ab 4.03bc 217.85bc 25.03b
R11 1278.40bc 1414.76cd 0.90 61.9bcd 5.79bcd 26.16abc 4.33b 220.72bc 24.78b
Q10 1388.76ab 1581.34b 0.88 56.94cd 5.71cd 28.24ab 3.47c 243.23ab 23.51bc
Q7 1243.14bc 1413.24cd 0.88 57.31cd 6.26b 33.56a 3.52c 198.61bc 22.86bcd
Q88 968.00bcd 1807.70a 0.54 62.51abc 6.44a 26.02abc 5.75a 150.20cd 22.33bcd
H15 946.70cd 1248.65de 0.76 52.45de 5.47e 26.11abc 4.56b 172.98bcd 20.53cd
Q33 809.95cd 1444.15bc 0.56 53.34cd 5.7de 31.56a 4.55b 142.02cd 20.29de
D1 992.54bcd 1016.26f 0.98 46.61e 5.48e 21.18c 5.24a 181.22bcd 20.11de
Z1012 909.11cd 1184.30e 0.77 48.11e 5.95bc 31.27ab 4.52b 152.82cd 19.98de
H2 714.41d 1290.39cde 0.55 54.96cde 6.60a 28.02ab 5.44a 108.22d 16.53e
¨©ªmnod—p|k¾†W0.148、0.211、
0.376、0.022,zgžŸ 、«¬•‚、©–²Å>J
ª —p|k¬0.446、0.189、0.128,z PEPC、
RuBisCOstnod—p|k¾†W0.270a
-0.394;6bc”ef•‚zbc¦、_ma、b、
a+bx§¨©ªmd—p|k¾†¬0.413、
0.371、0.476、0.414,zgžŸ 、«¬•‚、©–²
Å>Jª —p|k¬0.321、0.466、-0.207,z
PEPCaRuBisCOstnod—p|k¬-0.250
a0.202,šLԗp|kË$ÙӒ¢*Ê(±
3)。’*,_`、bcd”ef•‚Ëzy_ma
+bnoxgžŸ h˜J£—pv,wbc”e
f•‚ïz_ma、ba§¨©ªmno、«¬•
‚–—p|k˜J

6_`abcdef‚ze
frPEPC、RuBisCOstno¡¥—p¤—p|
k˜™

2.4.2 ˆAB‰Š‹ŒAB9nykH‚Q
Q‡ ¸|,þ_`”ef•‚xy€†‡û“
8ç¾¾

±4),>Ód+,x­-f W
86.1%,—p|kW0.958,犘êJœ0.096,—pv
N’ ¢

y C

+ 4 M 8 ç ¾ . / ‚  º ¬
51.40%、22.51%、14.35%a7.66%,3°./‚
95.91%。­®8羂ƒ_`_ma、b、a+bx
§¨©ªmno

­²8ç¾W_`gžŸ a«
¬•‚

­08義–CO2 ª ,­18ç¾¾
†W_`RuBisCO、PEPCstno,z+¯‘cd
¾,{®î



bc¦”ef•‚xy€
†‡d8羑c’“

+,x­-f W61.2%,
—p|k0.782,犘êJœ0.05,—pvôN’¢。
h3 <=、?@ˆAB‰ŠC‹ƒ„…†HFGk
Table3 Correlationcoefficientsbetweennetphotosynthesis
efficiencyandinfluencingfactorsofleavesorsiliques
µ¶
Index
”ef•‚犘n
_`Leaf bcSilique
PEPC 0.270 -0.250
RuBisCO -0.394 0.202
_maChlorophyla 0.148 0.413
_mbChlorophylb 0.211 0.371
_ma+bChlorophyla+b 0.376 0.476
§¨©ªmCarotenoid 0.022 0.414
gžŸ 犌s 0.446 0.321
«¬•‚犜r 0.189 0.466
©–²Å>Jª 犆i 0.128 -0.207


—p|k%2꾆W狉=0.602(犪=0.05,)a狉=0.735(犪
=0.01)。、¾†±“—p|k¼0.05、0.01*ʒ¢;ßO
Note:Criticalvaluesofcorrelationcoefficientare狉=0.602(犪=
0.05)and狉=0.735(犪=0.01),respectively。The orre
spectivelyindicatedthatthecorrelationcoefficientissignificantat
0.05or0.01level,respectively.Thesameasbelow
yC

€bc¦犘n d+3M8ç¾./‚º¬
64.58%、19.22%、12.04%,3°./‚W95.84%。
­®8羂ƒbc¦_ma、b、a+bx§¨©ª
mno

gžŸ a«¬•‚

­²8羂ƒRuBi
sCOrnoa©–CO2 ª ,­08羬bc¦
PEPCstno(±4)。Lԑc3³,AB#^_
`abc¦ef•‚4Óeflm

gžŸ 

ef
—prst95ö†m€

yCdeflmno¬
#89۠m

yº¬gžŸ x«¬•‚

2.5 78ŽtDEHƒ„…†Q‡
2.5.1 9~‘DE —p¾‘c±³,ABƒ^
2241 ! " # $ % &                   36š
h4 <=>?@|AB’Šƒ„…†H‚Q“”Q‡
Table4 Regressionanalysisonprincipalcomponentsinfluencedphotosynthesisefficiencyofleavesandsiliquesshel
¾o
Component
_`8ç¾678o
Characteristicvectorofprincipal
componentofleaves
bc¦8ç¾678o
Characteristicvectorofprincipal
componentofsiliqueshels
z1 z2 z3 z4 z1 z2 z3
PEPC -0.300 0.257 -0.417 0.458 0.037 -0.367 0.814
RuBisCO -0.170 0.458 -0.011 -0.786 0.315 -0.362 0.239
_maChlorophyla 0.424 0.208 -0.233 0.014 0.393 -0.049 -0.210
_mbChlorophylb 0.408 0.258 -0.108 0.166 0.408 0.059 -0.097
_ma+bChlorophyla+b 0.410 0.300 -0.012 0.165 0.401 -0.062 -0.191
§¨©ªmCarotenoid 0.436 0.127 -0.190 -0.213 0.400 -0.133 -0.077
gžŸ 犌s -0.065 0.544 0.489 0.228 0.354 0.354 0.205
«¬•‚犜r -0.333 0.439 0.109 0.131 0.360 0.315 0.192
©–²Å>Jª 犆i 0.249 -0.142 0.688 0.057 -0.054 0.695 0.325
67êCharacteristicvalue 4.626 2.026 1.291 0.689 5.812 1.730 1.084
9¾‚Percentage/% 51.40 22.51 14.35 7.66 64.58 19.22 12.04
309¾‚
Cumulativepercentage/% 51.40 73.91 88.25 95.91 64.58 83.79 95.84
<$%{ozƒ^_¯°—p|kW0.851,Jœ
犘<0.01%2ê0.735,šzbc±¯°、bc”e
f•‚x_`”ef•‚—p|k¾†¬0.554、
-0.143、-0.074,80TË$ÙÓ0.05’¢*Ê。
û®üþƒ^<$%{oxy—p†‡û“8ç¾
¾

±5),+,x­-f Ù82.2%,—p|k
0.907,犘êW0.005,ْ¢*Ê。yC,+3M8
ç¾./‚º¬38.04%、35.88%、17.05%,3
°./‚90.96%。€#^<$%{od­®、
²8羂ƒƒ^_¯°

_`”ef•‚xƒ^
bc±¯°

­08ç¾Wbc”ef•‚

ïƒ
^_¯°

_`”ef•‚

bc±¯°:bƒ^<
$%{o70%LÔ。
2.5.2 •–DE „…{ozy89€†‡d
—pv¾

±6)’“,_`zbc”ef•‚–
—p|k˜™
(0.131),ï#^_`、bcef‚
dˆÎN®î

ƒ^„…{ozƒ^_¯°

ƒ^
bck

bc±¯°d—p|k¾†W0.724、
0.915、0.791,ËÙӒ¢*Ê,6zy絶—p
|k;þꘙwN’¢

ïƒ^_`¯°

bck
xbc±¯°z„…{o’¢£—p



:±6
ï-.ƒ^_¯°zbck

_`”ef•‚zb
…k¾†’¢£—p

ï_`”ef•‚x_`þ
CO2 dk

bc±¯°’¢¥—p

b…kzbck

bc
h5 9~‘DEƒ„…†H‚Q“”Q‡
Table5 Regressionanalysisonprincipalcomponents
influencedbiologicalyieldperplant
¾oComponent
8†‡67ëo
Characteristicvectorof
principalcomponent
z1 z2 z3
bc±¯°Siliquesurfacearea 0.657 0.335 -0.235
_¯°Leafarea 0.327 0.638 0.493
bc”ef•‚Silique犘n 0.335 -0.563 0.723
_`”ef•‚Leaf犘n -0.591 0.406 0.423
67êCharacteristicvalue 1.522 1.435 0.682
9¾‚Percentage/% 38.04 35.88 17.05
309¾‚Cumulativepercentage/% 38.04 73.92 90.96
±¯°d—p|k¾†W-0.330、-0.391,[>ù
úbckd"#

U…Â’¢ÝÎ

b…kôhü™
ìí

íî

bc”ef•‚zbck

U…Âx„
…{od—p|k˙œ0.100,zb…kd—p
|k¬0.339,ïbcef‚þ=…ab…kh
®b€

û®üþ„…{oxy€†‡û“8ç¾¾


±7)±³,+,x­-f Ù83.2%,—p|k
0.912,犘ê0.050,ْ¢*Ê。yC,+4M8ç¾
./‚º¬43.49%、26.51%、17.32%、10.50%,
3°./‚97.81%。­®8羂ƒ_¯°、bc
kxbc±¯°

:bZÈ43%d„…{o;­²
32417]              234,9:RSTAB<[<\]_`abcefz{op|d./
h6 <=>?@AB>Žt•–DEHFGk
Table6 Correlationcoefficientbetweenseedyieldperplantandphotosynthesisofleavesorsiliques
µ¶
Index
bc±¯°
Siliquesurface
area
_¯°
Leafarea
bc犘n
Siliques犘n
_`犘n
Leaf犘n
b…k
Seednumber
persilique
U…Â
1000seed
weight
bck
Silique
number
_¯°Leafarea 0.5641
bc”ef•‚Silique犘n -0.0257 -0.257
_`”ef•‚Leaf犘n -0.2802 0.113 0.131
b…kSeednumberpersilique -0.391 -0.022 0.339 0.767
U…Â1000seedweight -0.609 -0.332 -0.025 -0.259 -0.287
bckSiliquenumber 0.937 0.661 -0.098 -0.307 -0.330 -0.619
„…{oSeedweight 0.791 0.724 0.058 -0.244 -0.201 -0.452 0.915


—p|k%2꾆W狉=0.602(犪=0.05,)a狉=0.735(犪=0.01)
Note:Criticalvaluesofcorrelationcoefficientare狉=0.602(犪=0.05,)and狉=0.735(犪=0.01),respectively
h7 •–DEH‚Q“”Q‡
Table7 Regressionanalysisonprincipalcomponents
influencedseedyieldofsinglerapeplant
¾o
Component
8†‡67ëo
Characteristicvectorof
principalcomponent
z1 z2 z3 z4
bc±¯°
Siliquesurfacearea 0.497 -0.231 -0.290 0.121
_¯°Leafarea 0.467 0.099 0.456 0.197
bc”ef•‚Silique犘n -0.085 0.322 -0.619 0.654
_`”ef•‚Leaf犘n 0.313 0.509 0.359 0.262
b…k
Seednumberpersilique -0.049 0.704 -0.059 -0.285
U…Â1000seedweight -0.379 -0.201 0.413 0.604
bckSiliquenumber 0.533 -0.196 -0.150 0.068
67êCharacteristicvalue 3.044 1.856 1.212 0.735
9¾‚Percentage/% 43.49 26.51 17.32 10.50
309¾‚
Cumulativepercentage/% 43.49 69.99 87.31 97.81
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`ǁ‚

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[1214]。
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[15]。
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