,2018,38(7):1315-1324 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(2018)07 1315 10 犱狅犻 :10.7606/j.issn.1000 4025.2018.07.1315 "#$%&' ()*+,-./ 01 1,2, 1,2 (1 < "=,>550025;2?@ 5-.AB,>550025) :CDE ( 犚狅狊犪狉狅狓犫狌狉犵犺犻 Trat.) F/G HIJKLMNO/, PQ RS / TU,V-.WXY Y ' 4 Z [ \,I ] ^ _ ` a F / G b c b A (APase) (NR) ba I (SAPase) ba I T ILJK A H JK :(1)_ `a Q 45mg L -1 U F /G, Q F/K b G a L b ;)5mg L -1 Q `a, F b b G <, _ `a 3 Q (2)b APase Lb SAPase _ `a <,b A NR 45 mg L -1 _ ` a, < 45mg L -1 `a NR ;ba Y JK _ `a < Q (3) FA P Ca MgJK _ `a <,ZnJK _ `a < ;)45mg L -1 _ `a FA N P K Mn Cu BJK, Q _ `a J K Q -. C,_ `a Q F / G H ] ;b G < ba APaseLbA SAPase ba I T JK FP Q RS W 1 P /23: ; `a;/g;hijk;/ 45)6:Q945.79 7 89:A 犈犳犲犮狋狅犳犘犺狅狊狆犺狅狉狌狊犛狌狆狆犾狔狅狀犌狉狅狑狋犺, 犖狌狋狉犻犲狀狋犆狅狀狋犲狀狋犪狀犱犚犲犾犪狋犲犱犘犺狔狊犻狅犾狅犵狔犐狀犱犲狓犲狊狅犳犚狅狊犪狉狅狓犫狌狉犵犺犻犛犲犲犱犾犻狀犵狊 GUANJiyuan 1,2,FAN Weiguo 1,2 (1ColegeofAgriculture,Guizhou University,Guiyang550025,China;2 Guizhou FruitEngineering Technology Research Centre,Guiyang550025,China) 犃犫狊狋狉犪犮狋 :Efectofphosphorussupplyongrowth,nutrientcontentandrelatedphysiologyof 犚狅狊犪狉狅狓 犫狌狉犵犺犻 seedlingswerestudied,whichwashelpfultounderstandthecharacteristicsofadaptationtolow phosphorusstressof 犚. 狉狅狓犫狌狉犵犺犻 Trat.seedlings.Weused 犚. 狉狅狓犫狌狀犵犺犻 seedlingsof Guinong5 as materialsandusedcultivatingquartzsandandvermiculitemixedmatrixascultivatingmethod.theefect ofdiferentphosphorussupplylevelsongrowth,rootmorphologicalcharacteristics,theactivityofacid phosphatase(apase),nitratereductase(nr)inrootsandleavesandsecretedacidphosphatase(sapase) :2018 02 26; :2018 05 10 : ( NY2015 3002 1);!"#$#%&' (% 2013 16)!: (1993-),(,)*+,-./,01 / / 234 5-. E mail:2390721318@qq.com 6789::;,,,/,01 / / 234 5-. E mail:wgfan@gzu.edu.cn
1316 38T inroots,thespeciesandcontentofsmalmolecularorganicacidsinroots,andthecontentofnutrientele mentsinplantsof 犚. 狉狅狓犫狌狉犵犺犻 seedlingswerestudied.theresultsshowedthat:(1)thegrowthof 犚. 狉狅狓犫狌狀犵犺犻 seedlingswasinhibitedwhenthesupplyinglevelofphosphoruswaslowerorabove45 mg L -1 than,withasignificantlyreducedbiomass,totalrootlength,totalrootsurfacearea,totalrootvol ume,averagediameter,totalroottipnumberof 犚. 狉狅狓犫狌狀犵犺犻 seedlings.theroot shootratio,theroot hairdensityandlengthof 犚. 狉狅狓犫狌狀犵犺犻 seedlingsreachedthemaximumat5mg L -1 phosphoruslevel, those3indexeswasdecreasedwiththeincreasingofphosphorussupplylevel.(2)theactivityofapasein rootsandleavesandsapaseinrootsof 犚. 狉狅狓犫狌狀犵犺犻 seedlingsdecreasedwiththeincreaseofphosphorus level.thecontentsofoxalicacid,tartaricacid,citricacid,malicacid,aceticacidandsuccinicacidinroots of 犚. 狉狅狓犫狌狀犵犺犻 seedlingsdecreasedwiththeincreaseofphosphoruslevel.theactivitynrinleavesand rootsof 犚. 狉狅狓犫狌狀犵犺犻 seedlingsreachedthemaximumat45 mg L -1 phosphoruslevel,theactivityof NRinleavesandrootsdecreasedobviouslywhenthephosphoruslevelwaslessthanorgreaterthanthat. (3)ThecontentsofP,Caand Mgincreasedof 犚. 狉狅狓犫狌狀犵犺犻 seedlingswiththeincreaseofphosphorus level,thecontentsofzndecreasedwiththeincreaseofphosphoruslevel.thecontentsofn,p,k,mn, CuandBof 犚. 狉狅狓犫狌狀犵犺犻 seedlingsreachedthemaximumat45mg L -1 phosphoruslevel,thecontentof theseelementsdecreasedobviously whenthephosphoruslevelwaslessthanorgreaterthanthat.the studiedshowedthattoolowortoohighphosphorussupplyhadadverseefectsongrowthandnutrientab sorptionof 犚. 狉狅狓犫狌狉犵犺犻 seedlings.theincreasedofroothairlengthanddensity,theenhancedactivity ofapaseinleavesandrootsandsapaseinroots,theincreasedcontentsofsmalmolecularorganicacidswerethe importantadaptationstrategiesforthe 犚. 狉狅狓犫狌狉犵犺犻 seedlings. 犓犲狔狑狅狉犱狊 : 犚狅狊犪狉狅狓犫狌狉犵犺犻 ;phosphoruslevel;growth;nutrientcontent;physiologicalefect ( 犚狅狊犪狉狅狓犫狌狉犵犺犻 Trat.) $ A!, ) Y < Y A JK Q [1 2],, HIRS -.]^_ `a F/G HIJKL NO/, D PQ RS TU 34A HI 1 Q RS PTU ), K!/G,_ " # /G $/ U [3 7] Q RS P$ %,$&6 bc a ' blb K G b <bc 2, A [6 11] ) /,$ & 6 ( (APase) bci (SAPase) bc I T SAPaseI K PQ RS,APase $&! ( T )*C+T _,- X [12 14],I.b/A I T SAPase$&!b/ A01 *,,!! [15] ] ^ b c I I T J K L $ [15 18], ) ba T M b I 1 ' M2 H 1,) 3 ( 犖犻犮狅狋犻犪狀犪狋犪犫犪犮狌犿 ) [19] < 4 ( 犌犾狔犮犻狀犲犿犪狓 ) [20] 5 4 ( 犞犻犵狀犪狌狀犵狌犻犮狌犾犪狋犪 ) [21] 6 7 8 ( 犎犲狏犲犪犫狉犪狊犻犾犻犲狀狊犻狊 ) [22] 9 -. :,; ; _ `a, K, N 8 X 2 $ &! b c A (NR) NO [23] Q _ ` a (HI <, K U = >L?9 [2],)Q RS @A ( 犆犻狋狉狌狊狉犲狋犻犮狌犾犪狋犪 ) A B C D E 9 JK # [4], : R S P F I G H [24], OQ RS /G bc HI LNO/ I]D, PQ RS TUJ]KL C,MNOWXY Y ' 4H [\,-.D]^_ `a "5 /F /G bc b A APase NR LbA SAPase b A I T ILJK A H JK, )C PQ RS TU 34 HI _ P 1 QR [\ 1.1 :; NO 2016S 2017S)?@
7,9:_ `a F/G HIJKLMNO/ 1317 5-.AB!U NQC "5 /F X NQ F4Z "5 V 1 W WX,W W )Y X + Z[\!U ]^_, `a ],bk QNQ F c 4 H' 2 1 Y Y, X 0.3 % HCl1 7d X ` X 4H C 30cm 45cm R H U X * C I,` X _ ` ba T ILJK X VC!, a Sigma 1.2 ( 0 NO 7 ]^_ `a, H A (P 2O 5 )J K I C 5 25 45 65 85 105 L125mg L -1 3, 4, F10 S 3 10 " 5 ) Y' F ZF, FG.2 1B 3)4H' A, _ ` P1, 1/2 ]^ H P 1!U]^_ `a 4H NO4H H X Hongland Arnon [ [25] 8C'M [, bp H [26], H A X NO - 3 N NH + 4 N _, C 3 1 H A ]^,M2 H 2 HonglandL Arnon H [ X0.1 mol L -1 NaOH H 2SO 4 H ph.6.0 H A 7μmol L -1 * U, NH 4+ * H A NO - 3 N NH + 4 N 4 H c ^ 7d H 1, H XpH6.0 _ ` 4H'!U, )' A X M, X]^ H!U, " H 4H `, ' A H QR4H 60 1.3 < 1 => 1.3.1?@AB1 )I ]^ ', B F, 12 (4, 3 ) L bc K, X _ `,)105 10min, 55, Lbc K, b,) 4 A 1 X EpsonPerfection4990Photobc I WinRHIZO (Express1000XL1.0 ) b c G a L b!u I ]^ 4H' X`, B + bc, ]^ b 0~3cm b /Gb,) OlympusBX 63 b G LW G K, b a G b,b 1cm G /Gbb b 1.3.2 CD#CE C E D A / G b 0.2g,W X Bacber \ [27] b A APase ;W X Mclanchlan\ [28] bc SAPase ;WX_ \ [29] b A NR ^ / 4!U4 1.3.3?@4 CF6 *+ ]^ /Gb 4, 1.5g,! -"A, 3mL ` ##Y bc-$ %&, 10mL _B, X1mL ` '-" 2 ) _B, 3 U/, C5mL 45 ` A 15min, )(20000r min -1 _ B 20 min, K 0.45 μm )* X HPLC!U4! + :WondasilC 18,! -,-.30, / N A C 0.022 mol L -1 KH 2PO 4 1 (ph 2.2),/ N B C01(! ),! K C 20μL, GC210nm, T C9, / ( 0.7 ml min -1,/ N B 3.0% T 2 3 U: U 10 mg ml -1 Y 4 1mg ml -1 4,I 5 6 2 Y 1 5 L 2 M 2 4 T 1 10 T 4,bP O 1 U ] ^ K C 7 8,9 C : 8,3 2 1.3.4 GHIJKL*+ F -$]!, ;, I 4 V 0.5g,X N P K Ca Mg Fe Mn Cu Zn L B JK,!U4 N J K X \,PJK X!\, K J K X < = \,Ca Mg Fe Mn Cu ZnJK X I \,B JK
1318 38T X>!\ [30] 1.4 MNO ) X DPSV7.05?!U @ NO I," AWX Duncan sb \ CA P C2S2 NO a 2 2I 2.1 #$%&',?@AB -., D _ `a! F /G, Q _ `a F /G$/ U 1 1, F)]^ `a c /G MA,)45mg L -1 _ `a, F GE, ' / K <; _ `a Q, F /G. U, ' / K ;) 65mg L -1 `a 3 A, /G 5mg L -1 Q `a 1, _ `a F/G U Q RS J ^, 1, F b ) 5 mg L -1 _ `a <,; <_ `a : E 2,)45 mg L -1 _ `a, Fb G a b <, 2M2_ `a. @`a( 犘 <0.05), Q _ `a @,b G L *)]^_ `a AF ]^,MA,b 1 ]^ `a F/GG Fig.1 Growthstatusof 犚狅狊犪狉狅狓犫狌狉犵犺犻 seedlingsunderdiferentsupplylevelsofphosphorus P1 #$%Q' HR S T+,?UV WX Table1 Theplantheight,basediameter,biomassandroot shootratioof 犚. 狉狅狓犫狌狉犵犺犻 seedlings underdiferentlevelsofphosphorussupply _ `a LevelsofP /(mg L -1 ) Plantheight/cm ' Basediameter/cm /K Biomass/(g plant -1 ) Shoot bc Root Plant b Root shootratio 5 14.47±0.55e 0.24±0.02d 0.26±0.01e 0.23±0.01e 0.49±0.02e 0.88±0.02a 25 22.50±0.50c 0.35±0.01c 0.70±0.04c 0.43±0.01c 1.13±0.04c 0.61±0.04c 45 33.70±0.36a 0.46±0.01a 2.44±0.06a 0.99±0.04a 3.43±0.09a 0.41±0.30g 65 25.13±0.80b 0.39±0.01b 1.20±0.06b 0.56±0.03b 1.76±0.07b 0.47±0.01f 85 15.67±0.42d 0.22±0.02d 0.50±0.02d 0.26±0.02d 0.76±0.03d 0.52±0.02e 105 10.13±0.61f 0.20±0.01e 0.31±0.01e 0.18±0.01f 0.48±0.02e 0.58±0.02d 125 7.33±0.42g 0.17±0.01f 0.19±0.01f 0.12±0.01g 0.31±0.01f 0.63±0.02b H:)^ IA]^ JK 0.05`a @ ^ Note:Diferentnormalletersinsamecolumnmeansignificantdiferenceat0.05level.Thesameasbelow.
7,9:_ `a F/G HIJKLMNO/ 1319 P2 #$%Q'?@AB WX Table2 Therootmorphologicalcharacteristicsof 犚. 狉狅狓犫狌狉犵犺犻 seedlings underdiferentlevelsofphosphorussupply _ `a LevelsofP /(mg L -1 ) G Totallength /cm Totalsurface area/cm 2 Totalvolume /cm 3 a Average diameter/mm b Totalroottipamount /(No plant -1 ) b G Roothairs length/mm b Roothairsdensity /(No cm -1 ) 5 216.31±8.94e 36.94±1.83e 0.58±0.01e 0.57±0.02d 633.33±18.62f 0.69±0.09a 314.33±13.65a 25 513.78±9.12c 105.91±5.02c 1.63±0.02c 0.65±0.01c 975.67±22.50d 0.61±0.08b 247.67±22.81b 45 705.06±23.07a 173.18±12.76a 4.29±0.01a 0.94±0.02a 1455.00±38.43a 0.52±0.09c 145.33±10.50c 65 574.12±18.31b 138.41±7.38b 2.45±0.02b 0.75±0.02b 1170.67±46.80b 0.43±0.06d 115.67±12.22d 85 333.40±7.99d 55.64±1.68d 0.82±0.02d 0.58±0.01d 1031.00±58.48c 0.33±0.03e 70.33±7.09e 105 231.90±21.26e 37.20±0.99e 0.51±0.01f 0.52±0.02e 800.67±31.02e 0.21±0.03f 56.18±2.83f 125 171.87±8.10f 22.32±1.86f 0.26±0.01g 0.43±0.02f 516.33±26.26g 0.17±0.01g 43.33±1.45g P3 #$%Q' Y?4 犃犘犪狊犲 犖犚 犛犃犘犪狊犲 D Table3 TheactivityofAPase,SAPaseandNRinleavesandrootsof 犚. 狉狅狓犫狌狉犵犺犻 seedlings underdiferentlevelsofphosphorussupply _ `a LevelsofP /(mg L -1 ) APaseactivity/( μ g g -1 min -1 ) Leaf bc Root bci SAPaseactivityinroot /( μ g g -1 min -1 ) NRactivity/( μ g g -1 min -1 ) Leaf bc Root 5 11.20±0.12a 8.66±0.12a 13.90± 0.23a 0.10±0.01c 0.06±0.01f 25 10.01±0.08b 7.47±0.08b 12.42±0.12b 0.16±0.01b 0.11±0.01c 45 9.22±0.07c 6.69±0.07c 11.30±0.14c 0.19±0.02a 0.16±0.01a 65 8.12±0.01d 5.58±0.01d 9.94±0.20d 0.17±0.01b 0.15±0.01b 85 7.13±0.01e 4.59±0.01e 9.03±0.13e 0.09±0.02d 0.09±0.01d 105 5.86±0.01f 3.32±0.01f 7.85±0.18f 0.07±0.01e 0.08±0.01e 125 4.69±0.01g 2.15±0.01g 7.01±0.10g 0.05±0.01f 0.04±0.01g G )5 mg L -1 Q `a. <, _ `a b G 5 mg L -1 Q ` a b G I 125 mg L -1 `a 4L 7L M, Q `a b G <$ FP Q RS W P, NQ RS ao ] 1 8X 2.2 # $ % & ' Y? @ 4 犃犘犪狊犲, 犖犚 犛犃犘犪狊犲 D 3,)5mg L -1 _ `a, F b A APaseL b A SAPase., @ M2_ `a; _ `a!, Lb A APase b A SAPase, c. @ ` a ( 犘 <0. 05), Q RS F LbA APase ba SAPase, P Q RS W 1/ P ^, F ba NR 45 mg L -1 _ `a C, Q _ `a NR ( 3),_ ` a Q $ 2^*$/] 2.3 #$%&'?4 ) CF6,*+ MNO, ]^ `a F ba. Y 96 I T ( 4) MA,)5mg L -1 `a FbA, 6 I T JK., _ `a,ba 6 I T LM JK Q, Q RS F b A I T 8 X, / P2 F Q RS bc I T $ 1 c 2.4 #$%&' 4 (KL*+ )]^ `a FA H JK 5, FA N K
1320 38T 4!"# Table4 Thevarietiesandcontentsoforganicacidsinrootsof 犚. 狉狅狓犫狌狉犵犺犻 seedlingsunderdiferentlevelsofphosphorussupply LevelofP /(mg L -1 ) Oxalicacid Tartaricacid Citricacid Malicacid Aceticacid Succinicacid! Totalcontentoforganic acid 5 1394.15±20.24a 1891.76±11.18a 931.85±14.11a 387.60±2.05a 60.32±3.03a 287.66±12.15a 4952.12±0.35a 25 1155.92±26.05b 1439.36±15.02b 880.61±16.05b 326.72±1.04b 47.46±2.01b 261.20±13.06b 4111.45±0.10b 45 975.32±31.09c 941.72±10.10c 678.32±13.09c 256.31±1.09c 36.41±1.01c 243.86±11.03c 3131.79±0.11c 65 773.72±34.06d 630.51±5.08d 543.98±12.03d 187.35±3.05d 23.37±1.01d 159.67±9.06d 2318.33±0.03d 85 612.72±27.05e 415.74±6.06e 447.66±15.10e 109.27±2.05e 14.34±0.71e 121.51±7.06e 1721.14±0.12e 105 488.74±18.03f 274.34±5.06f 293.99±10.06f 40.56±1.02f 10.31±0.51f 70.15±3.04f 1178.57±0.22f 125 312.93±21.03g 135.28±4.04g 158.63±9.02g 20.90±1.04g 7.28±0.30g 38.04±0.94g 673.35±0.14g 5 $% &' "# Table5 Elementcontentsof 犚. 狉狅狓犫狌狉犵犺犻 seedlingsunderdiferentlevelsofphosphorussupply LevelofP /(mg L -1 ) "!#$%! Macroelementcontent/% &!#$%! Microelementscontent/(mg kg -1 ) N P K Ca Mg Fe Mn Cu Zn B 5 1.56±0.01cd 0.15±0.01e 1.24±0.02de 1.21±0.02g 0.08±0.01e 471.93±32.76b 48.40±7.59d 11.44±0.20e 16.69±0.26a 46.30±3.07c 25 1.76±0.01b 0.19±0.02d 1.28±0.01bc 1.27±0.01f 0.11±0.01d 532.25±37.74bc 58.87±6.53c 13.47±0.32c 15.22±0.21b 57.95±1.50ab 45 2.00±0.04a 0.24±0.02c 1.32±0.02a 1.33±0.02e 0.13±0.00cd 542.82±21.29a 85.98±4.11a 15.32±0.31a 14.32±0.31c 60.64±1.53a 65 1.83±0.05b 0.27±0.02bc 1.30±0.02ab 1.38±0.01d 0.14±0.02bc 532.57±21.54ab 68.91±4.34b 14.75±0.23b 13.76±0.28d 52.30±2.12bc 85 1.65±0.01cd 0.31±0.03bc 1.26±0.01cd 1.43±0.03c 0.15±0.02abc 511.02±19.90cd 60.93±2.01bc 12.45±0.32d 13.11±0.10e 47.29±2.95c 105 1.46±0.02d 0.36±0.02a 1.22±0.02ef 1.49±0.02b 0.16±0.00ab 472.49±28.80cd 53.79±2.80cd 10.49±0.26f 12.67±0.21f 37.10±7.38d 125 1.09±0.14e 0.38±0.03a 1.20±0.03f 1.56±0.02a 0.17±0.01a 422.93±20.23d 39.23±2.63e 9.04±0.38g 10.50±0.25g 34.44±1.04d
7,9:_ `a F/G HIJKLMNO/ 1321 Fe Mn Cu B,MJK 45mg L -1 `a C, Q _ `a #;;_ `a.85 mg L -1, JK #J ^, FA P Ca Mg JK _ `a <,Zn JK P _ `a < Q, FA K Fe JK)45 65 mg L -1 Q `a c ] @, FA B JK)25 45mg L -1 _ ` a c R @,M 2 _ `a c FA N P K Ca Mg Fe Mn Cu ZnL B J K. @ ` a ( 犘 <0.05) :_ " N K Fe Mn Cu B Zn J ],S M P Ca Mg!8X 3 T P Q RS : bc * bci 9 PTU,)] ^ PTU [15] b < P Q RS P,)Q RS 6 bc <,6 /G Q UV, P P 2A" bci O [31] )Q `a, Fb <, W )X" Y [4,9,32 33] $ & 6 b c * PQ RS,6 : b 'b b G L K, bc2, $% [11] b HI 1 8X, b 1~10 L [34] )M-.A,)5mg L -1 Q `a Fb G b R,Sb G F L D, bc H I M 1! 8 X, F P Q R S W 1 P ^,)]^_ `a+, Fb A Apase b A SAPase * ^, :C _ `a Q,Q RS Apase SAPase., C APase, `Q RS7 ( Apase',! Apase M,! ( T )*C+T _/G,- X [35 37],Q R S b A Apase NaO _ ] Z ] 8 X ) Q + F b A SAPase, [ b c < I K,!b/-\A T I, ] _^ Q RS F LbA APase ba SAPase, / FP Q RSW 1/ P b I NO 3-0 1 _ [32] Q R S Q F b A NR, 2 ` a ] NR b(, NO 3-! c, NR $/, M [38],! NO 3- NH 3 L ^* @ [39] NADPH,NADP + /NADPH 8 C NR, FAD ). NO 3-, M C [40] NO 2-, NH 3,, F 2^* U8X, 8X2Q RS F ( NR O -., NO - 3 N [41],_ ` a Q Q NO - 3 N [42] MNO_ C3 1, )45mg L -1 `a FA JK,[ NO 3- K N P <, ba NR _ Q, FA NR NO 3- K # ) -\A, bc I T I K, 6 T 1 1 8 X A J K [43 46],) M -. A,Q RS ba6 I T JK D, Q RS$& ba I T, bc b I I T ', PQ R S 1/ ) P @ A M 2 H N 8 X,M A P 2 Zn 8X, P P " Q Zn [47] )@A [4] = ( 犑狌犵犾犪狀狊狊犻犵犻犾犪狋犪 ) [9],Q R S _ " N K Fe Zn B 9 H J K K Q )M-.A,)_ `a.45 mg L -1, F / K <,N K Fe Mn Cu B JK, D _ ` a F /G H, Q _ `a H $ / ], W ) ( 犆犪犿犲犾犻犪狅犾犲犻犳犲狉犪 ) [48]
1322 38T ( 犃犿狔犵犱犪犾狌狊犮狅犿犿狌狀犻狊 ) [49] ( 犣犻狕狔狆犺狌狊犼狌犼狌 犫犪 ) [50] 9 Y F A Ca Mg JK _ ` a <, $ 2 P 2 Ca Mg c N 8X O [2,51], )@ A [4] = [9] 9 WY,_ `a Q Q F /K b G a b, F /G. U F P Q RS P,)Q + F b b G <,b A APaseL b A SAPase, ba I T JK, M P 1 D_ `a F H,) 45 mg L -1 _ +, FA N P K Mn Cu BJK,! Q _ `a FA JK Q8X Q RS FA N J K Q 2 NR O F A P Ca Mg JK _ `a <,Zn JK _ `a < P -.Q R S b / * T Apase I TU, bca I T 2I PQ RS 8X,^ 16 34 NO! E. A JK"# /G $VLV,C PQ R S T / $ H I _ P 7: [1].-\RS2 H[M]. :" #,1993: 753 757. [7] :;,.]^ `a 4 @A /GG bc 369 371. / [J].A "#,2015,48(3):534 545. [2],. H [M]. :, 2003:25 286. [3],,.] ^ _ ` a / G L b c [J]. #,2014,31(9):1767 1773. ZHANGD M,SONG X,ZHANG LJ.Efectsofphosphorus fertilizingongrowthandrootmorphologyof 犃犿狅狉狆犺犪犳狉狌狋犻 犮狅狊 a[j]. 犘狉犪狋犪犮狌犾狋狌狉犪犾犛犮犻犲狀犮犲,2014,31(9):1767 1773. [4] :;, B.]^_ `a /GL H J K [J].A " #,2012,45(4): 714 725. FAN W G,WANGLX.Efectofdiferentphosphoruslevels ongrowthandleafelementcontentsofyoungnewhalnavel orangetrees[j]. 犛犮犻犲狀狋犻犪犃犵狉犻犮狌犾狋狌狉犪犛犻狀犻犮犪,2012,45(4): 714 725. [5],,,9.Q RS Fbc FAN W G,LUO Y.Growth status,root morphology and physiologicalcharacteristicsoffourcitrusrootstocksunderdif ferentphosphoruslevels[j]. 犛犮犻犲狀狋犻犪犃犵狉犻犮狌犾狋狌狉犪犛犻狀犻犮犪, 2015,48(3):534 545. [8],,,9.Q RS Fbc/G [J].A "6,2013,29(34):197 200. WU Y,LIP,LIXT, 犲狋犪犾.Efectsoflowphosphorusstresson rootgrowthandacidphosphataseactivityofstrawberryseed lings[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犅狌犾犲狋犻狀,2013,29 (34):197 200. [9],:;,._ `a = /F/G L H JK [J].A "#,2016,45 (4):714 725. ZANGCF,FAN W G,PAN XJ.Efectofphosphoruslevels ongrowth,morphologicalcharacteristicsandleafelementcon / 239 245. [J]. =,2010,27(2): tentsof 犑狌犵犾犪狀狊狊犻犵犻犾犪狋犪 Dode.seedlings[J]. 犛犮犻犲狀狋犻犪犃犵狉犻 犮狌犾狋狌狉犪犛犻狀犻犮犪,2016,45(4):714 725. LIYF,JINSH,YEZQ, 犲狋犪犾.Rootmorphologyandphysio logicalcharacteristicsin 犆犪狉狔犪犮犪狋犺犪狔犲狀狊犻狊 seedlingswithlow phosphorusstress[j]. 犑狅狌狉狀犪犾狅犳犣犺犲犼犻犪狀犵犉狅狉犲狊狋狉狔犆狅犾犲犵犲, 2010,27(2):239 245. [6],,,9.]^_ `a F b /LM X[J].A / "#,2010,18(4):753 757. YUE H,LIG H,CHEN L L, 犲狋犪犾.Clusterrootproduction andputilizationofmacadamiaseedlingunderdiferentptreat ments[j]. 犆犺犻狀犲狊犲犑狅狌狉狀犪犾狅犳犈犮狅 犃犵狉犻犮狌犾狋狌狉犲,2010,18(4): [10],,,9.Q RS F/G 2( Oc[J]. #,2016,52(2):57 66. CHENZY,WUPF,ZOU X H, 犲狋犪犾.Relationshipbetween growthandendogenoushormonesofchinesefirseedlingsun derlowphosphorusstress[j]. 犛犮犻犲狀狋犻犪犛犻犾犪狏犲犛犻狀犻犮犪犲,2016, 52(2):57 66. [11],,,9. / G 4 ( 犔狌狆犻狀狌狊犪犾犫狌狊 L.)b / [J].A :/,2013,43(3):201 212.
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