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Table 1 Mycorrhizal colonization rate and shoot and root traits of maize genotypes (JD52 and FSY1) inoculated with arbuscular mycorrhizal fungus (Funneliformis mosseae) (AM) or without inoculation (NM) in 0 and 100 mM NaCl treatments assessed 59 days after sowing (DAS)

From: Arbuscular mycorrhizal symbioses alleviating salt stress in maize is associated with a decline in root-to-leaf gradient of Na+/K+ ratio

 

AM (%)

Shoot biomass (mg plant−1)

Root biomass (mg plant−1)

Total root length (cm)

Root diameter (mm)

Root surface area (cm2)

Root volume (cm3)

Root-shoot ratio

Specific root length (cmmg−1)

Root tissue density (mgcm−3)

Genotype JD52

 0 mM NaCl

  NM

0 b

2107 ± 70.58 b

971 ± 22.58 c

1348 ± 155.99 bc

1.35 ± 0.15 b

404 ± 50.56 b

9.97 ± 1.08 b

0.46 ± 0.01 a

1.39 ± 0.14 a

101 ± 8.93 b

  AM

88 ± 1.52 a

3675 ± 101.89 a

1686 ± 108.23 a

1887 ± 117.02 a

1.96 ± 0.07 a

578 ± 39.28 a

13.1 ± 0.71 a

0.46 ± 0.03 a

1.27 ± 0.09 a

134 ± 10.02 a

 100 mM NaCl

  NM

0 b

1849 ± 40.09 b

745 ± 51.99 d

1140 ± 71.19 c

1.00 ± 0.05 c

320 ± 12.86 b

8.67 ± 0.42 b

0.40 ± 0.03 a

1.37 ± 0.08 a

86.3 ± 5.76 b

  AM

85 ± 2.10 a

3330 ± 150.28 a

1346 ± 11.67 b

1614 ± 35.92 ab

1.08 ± 0.02 c

376 ± 14.43 b

9.59 ± 0.55 b

0.41 ± 0.02 a

1.20 ± 0.03 a

125 ± 2.23 a

Genotype FSY1

 0 mM NaCl

  NM

0 b

1984 ± 145.32 bc

876 ± 94.82 c

1068 ± 13.33 c

1.07 ± 0.05 b

342 ± 19.07 bc

9.25 ± 0.87 ab

0.45 ± 0.05 bc

1.28 ± 0.14 a

95 ± 5.44 b

 AM

93 ± 1.71 a

2635 ± 230.14 a

1606 ± 54.44 a

1750 ± 93.45 a

1.65 ± 0.12 a

537 ± 61.72 a

11.9 ± 1.73 a

0.62 ± 0.05 a

1.15 ± 0.05 a

121 ± 4.34 a

 100 mM NaCl

  NM

0 b

1588 ± 153.70 c

590 ± 79.82 d

883 ± 91.05 c

0.90 ± 0.06 b

269 ± 44.17 c

6.25 ± 1.49 b

0.37 ± 0.03 c

1.23 ± 0.11 a

87.3 ± 6.95 b

  AM

91 ± 1.63 a

2158 ± 156.01 ab

1171 ± 90.27 b

1427 ± 71.88 b

1.53 ± 0.21 a

404 ± 32.22 b

11.6 ± 0.87 a

0.54 ± 0.04 ab

1.13 ± 0.04 a

112 ± 3.68 a

  1. Notes: AM (%) = root length colonization rate (%). Data are means ± SE (n = 5), for each genotype, data of traits followed by different letters are significantly different (P ≤ 0.05)