Crops ›› 2020, Vol. 36 ›› Issue (4): 170-177.doi: 10.16035/j.issn.1001-7283.2020.04.024

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Effects of Arbuscular Mycorrhizal Fungi on Seedlings Growth and Photosynthetic Characteristics of Paris polyphylla Smith var. yunnanensis

Shen Yuxiang1(), Chen Chaoru1, Zhang Xuemei1, Zhou Nong2(), Yang Min2, Zhang Jie2, Li Kuiyin1   

  1. 1College of Agriculture, Anshun University, Anshun 561000, Guizhou, China
    2School of Biology and Food Engineering, Chongqing Three Gorges University/Chongqing Engineering Laboratory of Green Planting and Deep Processing of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing 404120, China
  • Received:2019-12-24 Revised:2020-02-10 Online:2020-08-15 Published:2020-08-11
  • Contact: Zhou Nong E-mail:270796725@qq.com;erhaizn@126.com

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Abstract:

The effects of arbuscular mycorrhizal (AM) fungi on growth, photosynthetic characteristics and physiological and biochemical indexes of Paris polyphylla Smith var. yunnanensis seedlings were studies. The root system of Paris polyphylla could be infected effectively by inoculating a variety of exogenous AM fungi during the seedling stage, but it had no significant effect on plant growth and morphology; The majority of AM fungi could promote the chlorophyll biosynthesis of Paris polyphylla, which was beneficial to the photosynthetic capacity of the seedlings. Different AM fungi had different physiological and biochemical effects on seedlings of Paris polyphylla. Two AM fungi, Acaulospora scrobiculata and Ambispora leptoticha, showed good potential to promote photosynthesis and stress resistance.

Key words: Paris polyphylla Smith var. yunnanensis, Arbuscular mycorrhizal fungi, Photosynthetic characteristics, Physiological and biochemical indexes, Resistance

Table 1

Different treatment groups and the inoculated AM fungi"

处理组Treatment group AM真菌Arbuscular mycorrhizal fungus 处理组Treatment group AM真菌Arbuscular mycorrhizal fungus
Ga Gigaspora albida Rcl Rhizophagus clarus
Gd G. decipiens Rin R. intraradices
Gg G. gigantea Afo Acaulospora foreata
Gm G. margarita Ako A. koskei
Gr G. rosea Asc A. scrobiculata
Sca Scutellospora calospora Asp A. spinose
Sdi S. dipurpurascens De Diversispora eburnean
Spe S. pellucida Ds D. spurca
Dh Dentiscutata heterogama Ec Entrophospora colombiana
Rco Racocetra coralloidea Pb Paraglomus brasilianum
Rfu R. fulgida Po P. occultum
Sde Septoglomus deserticola Ale Ambispora leptoticha
Svi S. viscosum Atr Archaeospora trappei
Fm Funneliformis mosseae 对照（CK） CK group
Cc Claroideoglomus claroideum

Fig.1

Arbuscular mycorrhiza development of seedling roots of P. polyphylla Smith var. yunnanensis CK, uninoculated. Different lowercase letters indicate significant difference at the 0.05 level. The same below"

Table 2

Effects of different AM fungi treatments on seedling growth indexes of P. polyphylla Smith var. yunnanensis"

处理组
Treatment group		 叶长
Leaf length (cm)		 叶宽
Leaf width (cm)		 叶形指数
Leaf shape index		 株高
Plant height (cm)		 茎粗
Stem diameter (cm)		 叶柄直径
Petiole diameter (cm)
Ga 2.7000±0.0365 2.4667±0.0558 1.0976±0.0309 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Gd 2.6667±0.0333 2.4833±0.0477 1.0753±0.0196 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Gg 2.6333±0.0422 2.5000±0.0516 1.0542±0.0136 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Gm 2.7000±0.0365 2.5167±0.0477 1.0742±0.0195 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Gr 2.6667±0.0333 2.4667±0.0558 1.0831±0.0217 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Sca 2.7000±0.0365 2.5333±0.0558 1.0676±0.0205 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Sdi 2.7000±0.0365 2.5167±0.0477 1.0742±0.0195 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Spe 2.6333±0.0558 2.4667±0.0558 1.0686±0.0202 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Dh 2.7000±0.0365 2.4667±0.0558 1.0976±0.0309 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Rco 2.6833±0.0401 2.5167±0.0477 1.0673±0.0170 7.9167±0.2104 0.0467±0.0021 0.0417±0.0017
Rfu 2.6667±0.0494 2.5500±0.0671 1.0475±0.0193 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Sde 2.7000±0.0365 2.5333±0.0558 1.0676±0.0205 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Svi 2.6667±0.0333 2.4667±0.0558 1.0831±0.0217 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Fm 2.6667±0.0333 2.4667±0.0558 1.0831±0.0217 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Cc 2.6500±0.0428 2.4667±0.0558 1.0759±0.0196 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Rcl 2.6500±0.0428 2.5000±0.0447 1.0614±0.0231 8.1667±0.2044 0.0467±0.0021 0.0417±0.0017
Rin 2.6833±0.0307 2.5167±0.0477 1.0678±0.0204 7.9000±0.2033 0.0467±0.0021 0.0417±0.0017
Afo 2.6833±0.0307 2.5000±0.0447 1.0747±0.0196 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Ako 2.7000±0.0365 2.5333±0.0558 1.0676±0.0205 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Asc 2.6833±0.0477 2.5667±0.0803 1.0487±0.0260 7.9500±0.1586 0.0467±0.0021 0.0417±0.0017
Asp 2.6667±0.0333 2.5500±0.0500 1.0467±0.0127 7.9833±0.1470 0.0467±0.0021 0.0417±0.0017
De 2.6500±0.0428 2.5333±0.0558 1.0490±0.0314 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Ds 2.6667±0.0333 2.4833±0.0477 1.0753±0.0196 7.7833±0.1905 0.0467±0.0021 0.0417±0.0017
Ec 2.7167±0.0477 2.5667±0.0494 1.0593±0.0171 7.9500±0.1586 0.0467±0.0021 0.0417±0.0017
Pb 2.7000±0.0365 2.5500±0.0500 1.0601±0.0174 7.9500±0.2277 0.0467±0.0021 0.0417±0.0017
Po 2.6833±0.0307 2.5333±0.0558 1.0614±0.0231 8.1167±0.1721 0.0467±0.0021 0.0417±0.0017
Ale 2.7000±0.0365 2.5333±0.0558 1.0676±0.0205 7.9500±0.1586 0.0467±0.0021 0.0417±0.0017
Atr 2.6500±0.0428 2.5000±0.0683 1.0621±0.0183 7.9000±0.2033 0.0467±0.0021 0.0417±0.0017
CK 2.7167±0.0307 2.5500±0.0719 1.0686±0.0246 7.9833±0.1078 0.0467±0.0021 0.0417±0.0017

Fig.2

Effects of inoculation with AM fungi on relative chlorophyll content in seedling leaves of P. polyphylla Smith var. yunnanensis"

Table 3

Effects of inoculation with AM fungi on contents of photosynthetic pigments in seedling leaves of P. polyphylla Smith var. yunnanensis mg/g"

处理组Treatment group 类胡萝卜素Ct 叶绿素a Chl a 叶绿素b Chl b 叶绿素总量Chl(a+b) 叶绿素a/b Chl a/b
Ga 1.1043±0.2592a 3.2912±0.0406a 1.0764±0.0694a 4.3677±0.2966a 3.0869±0.2305gh
Gd 0.7457±0.8199g 2.0446±0.0470gh 0.7306±0.0075c 2.7753±0.8089g 2.8001±0.0904h
Gg 0.6592±0.8872j 1.8223±0.0157ikl 0.6350±0.0387d 2.4574±0.9477j 2.8874±0.1472h
Gm 0.7878±0.0225f 2.7044±0.0351c 0.9694±0.0150b 3.6739±0.0731f 2.7899±0.0070h
Gr 0.6079±0.3173l 1.622l±0.0322m 0.3948±0.0020kl 2.0168±0.2851l 4.1082±0.0614abcd
Sca 0.4520±0.5259o 1.3063±0.0371n 0.2807±0.0055m 1.5870±0.5640o 4.6589±0.1841a
Sdi 0.8032±1.2440e 2.2942±0.1676def 0.5509±0.0445def 2.8451±1.3294e 4.1693±0.0299abcd
Spe 0.7080±0.5723i 2.1447±0.0129fgh 0.5901±0.0175de 2.7301±0.5570i 3.6318±0.0937def
Dh 0.6348±0.2816k 1.6861±0.0546klm 0.5047±0.0285efg 2.1908±0.2573k 3.3736±0.2847fg
Rco 0.6650±0.9240j 1.7848±0.0542klm 0.4350±0.0114hij 2.2198±0.9949j 4.1032±0.0542abcd
Rfu 0.6600±0.4135j 1.8512±0.0052ijk 0.4441±0.0064ghi 2.2953±0.4185j 4.1726±0.0852abcd
Sde 0.3257±0.2903p 0.8803±0.0072o 0.2033±0.0093n 1.0836±0.3059p 4.3446±0.1570abc
Svi 0.6071±0.3554l 1.6618±0.0159klm 0.4259±0.0082ijk 2.0876±0.3821l 3.9034±0.0385bcde
Fm 0.5712±0.8544n 1.5854±0.0176m 0.3545±0.0269l 1.9399±0.8894n 4.5202±0.3219ab
Cc 0.7143±0.2338i 1.9850±0.0365hij 0.5257±0.0362efg 2.5107±0.2793i 3.8065±0.2304cdef
Rcl 0.6110±0.3767l 1.6208±0.0292lm 0.3940±0.0025kl 2.0147±0.3714l 4.1149±0.0928abcd
Rin 0.6292±0.1678k 1.7358±0.0025klm 0.4282±0.0006ijk 2.1639±0.1721k 4.0537±0.0001abcd
Afo 0.6335±0.4597k 1.7022±0.0046klm 0.4098±0.0065jk 2.1120±0.4594k 4.1559±0.0735abcd
Ako 0.5924±0.9089m 1.6499±0.0145klm 0.3906±0.0117kl 2.0406±0.8925m 4.2291±0.0930abcd
Asc 0.7523±0.8774g 2.3261±0.0155de 0.5359±0.0052efg 2.8620±0.8943g 4.3421±0.0671abc
处理组Treatment group 类胡萝卜素Ct 叶绿素a Chl a 叶绿素b Chl b 叶绿素总量Chl(a+b) 叶绿素a/b Chl a/b
Asp 0.6769±0.7915j 1.9841±0.0413hij 0.5085±0.0097efg 2.4926±0.7891j 3.9064±0.1428bcde
De 0.7308±0.4057h 2.2122±0.0575efg 0.5326±0.0145efg 2.7458±0.4458h 4.1583±0.1371abcd
Ds 0.8602±0.0013c 2.4568±0.0030d 0.5834±0.0030de 3.0402±0.0020c 4.2108±0.0010abcd
Ec 0.6572±0.5707j 1.6561±0.0645klm 0.4586±0.0052fgh 2.1147±0.6344j 3.6152±0.1846def
Pb 0.7152±0.5401i 2.0451±0.02081gh 0.4966±0.0095efg 2.5417±0.5266i 4.1201±0.0622abcd
Po 1.0594±0.3301b 3.1460±0.0133b 0.7704±0.0008c 3.9164±0.3450b 4.0837±0.0216abcd
Ale 0.5764±0.4827n 1.6026±0.0065m 0.3668±0.0079kl 1.9686±0.4960n 4.3818±0.0787abc
Atr 0.5723±0.8983n 2.0192±0.0432hi 0.5746±0.0147de 2.5939±0.9251n 3.5165±0.0812efg
CK 0.8110±0.2727d 2.4027±0.0720d 0.5901±0.0212de 2.9928±0.3886d 4.0734±0.0236abcd

Table 4

Correlation coefficients between photosynthetic parameters of seedling leaves in P. polyphylla Smith var. yunnanensis"

参数Parameter Pn Tr Gs WUE Ci Ls Ct Chl a Chl b Chl (a+b) Chl a/b
Pn -
Tr -0.591** -
Gs -0.312 -0.693** -
WUE -0.424* -0.351 -0.364 -
Ci -0.564** -0.003 -0.213 -0.653** -
Ls -0.399* -0.288 -0.544** -0.823** -0.765** -
Ct -0.290 -0.225 -0.074 -0.170 -0.072 -0.149 -
Chl a -0.240 -0.229 -0.074 -0.048 -0.013 -0.062 -0.961** -
Chl b -0.279 -0.304 -0.260 -0.013 -0.027 -0.058 -0.838** -0.895** -
Chl(a+b) -0.256 -0.255 -0.127 -0.039 -0.003 -0.030 -0.949** -0.992** -0.942** -
Chl a/b -0.288 -0.365 -0.476** -0.084 -0.083 -0.229 -0.352 -0.383* -0.732** -0.486** -

Table 5

Effects of different AM fungi treatments on seedling leaves photosynthesis parameters of P. polyphylla Smith var. yunnanensis"

处理组
Treatment group		 Pn [mmol/(m2·s)] Tr [mmol/(m2·s)] WUE (μmol/mol) Gs [mmol/(m2·s)] Ls Ci (μmol/mol)
Ga 1.2789±0.0964op 1.5153±0.0028o 0.8480±0.0623hi 106.5291±0.1565k 0.0536±0.0028kl 470.9319±1.3549ef
Gd 2.6903±0.0379h 1.417±0.0015p 1.8986±0.0252e 100.1004±0.2992k 0.1045±0.0008e 448.9635±1.6560h
Gg 0.9309±0.0192pq 2.0551±0.0055k 0.4530±0.0098k 100.9557±0.1878k 0.0604±0.0006jk 457.2567±0.3422g
Gm 2.2573±0.0281ij 1.1499±0.0070v 1.9630±0.0145e 51.5226±0.6533o 0.1622±0.0009c 406.3366±0.4055m
Gr 2.4674±0.1800hi 2.5477±0.0045j 0.9682±0.0689h 179.9753±0.6310g 0.0674±0.0037hij 429.7408±1.1704jk
Sca 4.1878±0.1800ef 2.9986±0.0045g 1.3966±0.0689fg 267.8942±0.6048f 0.0289±0.0037p 436.9872±1.1704i
Sdi 1.8312±0.0479kl 1.5642±0.0021m 1.1708±0.0314g 83.4741±0.1204m 0.0960±0.0019f 453.9171±0.9321g
Spe 4.9814±0.0386e 4.029±0.0119e 1.2365±0.0132g 328.8288±0.3821e 0.0694±0.0006hi 431.2678±0.2706j
Dh 0.7615±0.0115q 1.1920±0.0001u 0.6389±0.0096j 91.8839±0.2064l 0.0456±0.0004m 477.4819±0.3067d
Rco 2.0695±0.0415jk 0.8528±0.0006w 2.4267±0.0499d 42.5673±0.0550p 0.1821±0.0035b 403.7340±2.6570m
Rfu 1.8245±0.0046kl 1.9853±0.0020l 0.9190±0.0015hi 149.1701±0.1176i 0.0619±0.0001ij 428.6954±0.1074jk
Sde 1.3332±0.0138no 2.8131±0.0017h 0.4739±0.0052k 301.6748±0.1903f 0.0276±0.0002p 512.0957±1.1600b
Svi 4.0819±0.0270f 0.8578±0.0011w 4.7586±0.0377b 75.8201±0.2597mn 0.2137±0.0018a 333.7120±0.8150p
Fm 8.4747±0.0603a 6.3425±0.0005a 1.3362±0.0094fg 438.9682±0.3780a 0.0856±0.0007g 429.8766±0.3045jk
Cc 6.0355±0.0332c 4.0666±0.0051d 1.4841±0.0063f 334.4881±0.5407d 0.0828±0.0002g 399.3501±0.1257n
Rcl 1.6390±0.0442lmn 1.2865±0.0012t 1.2740±0.0352fg 175.9233±0.1445g 0.0405±0.0008mn 475.4523±0.4577de
Rin 1.1268±0.0150op 1.5037±0.0003o 0.7493±0.0101hij 168.1892±0.0265h 0.0331±0.0003op 520.0670±0.1879a
Afo 5.7868±0.0134d 5.5610±0.0005b 1.0406±0.0022h 214.6829±0.2443f 0.0539±0.0001kl 436.1663±0.0748i
Ako 4.0938±0.1229f 1.3924±0.0011q 2.9403±0.0905c 126.4873±0.4617j 0.1228±0.0036d 415.3797±1.5697l
Asc 2.7799±0.3154h 4.2095±0.0073c 0.6604±0.0749j 212.6199±0.4293f 0.0719±0.0022h 447.2022±0.9725h
Asp 2.4826±0.0860hi 3.0110±0.0091f 0.8244±0.0271hij 146.0226±0.4857i 0.0840±0.0017g 456.9413±0.8938g
De 1.6606±0.0355lmn 1.3837±0.0020q 1.2001±0.0253g 200.5515±0.3994f 0.0368±0.0006no 473.5092±0.3968de
Ds 1.8736±0.0619kl 1.4233±0.0064p 1.3160±0.0376fg 146.0488±0.0752i 0.0521±0.0013l 509.0479±0.6087c
Ec 1.7533±0.0902kl 1.3444±0.0025s 1.3041±0.0659fg 71.5738±0.4967n 0.1038±0.0039e 450.7150±1.9847h
Pb 0.3981±0.0414r 2.9191±0.0058g 0.1364±0.0144l 410.9905±0.1294b 0.0139±0.0005q 519.9760±0.1335a
Po 1.4154±0.0616mno 1.5424±0.0009n 0.9177±0.0398hi 368.5218±0.1041c 0.0117±0.0003q 426.0397±0.6284k
Ale 7.6154±0.0248b 2.7018±0.0027i 2.8187±0.0110c 181.6702±0.2466g 0.1571±0.0006c 406.1821±0.2405m
Atr 5.0592±0.1164e 0.7030±0.0057x 7.1970±0.1626a 78.9020±0.6159mn 0.2144±0.0044a 388.9760±2.1436o
CK 3.4518±0.0317g 1.3604±0.0035r 2.5376±0.0297d 178.8128±0.5715g 0.0720±0.0034hij 468.1028±0.9380f

Fig.3

Effects of inoculation with AM fungi on CAT, POD and SOD activities in seedling leaves of P. polyphylla Smith var. yunnanensis"

Fig.4

Effects of inoculation with AM fungi on contents of malondialdehyde, soluble sugar and soluble protein in seedling leaves of P. polyphylla Smith var. yunnanensis"

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