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Table 1 The effect of AM fungal inoculation on shoot dry weight, root surface area, phosphorus uptake, and root colonization by AM hyphae of two soybean cultivars of Nattoukotsubu and Tachinagaha

From: Complete root specimen of plants grown in soil-filled root box: sampling, measuring, and staining method

Cultivar AM inoculation Shoot dry weight Root surface area Phosphorus uptake Root colonization by hyphae
   (g plant−1) (cm2) (g plant−1) (%)
Nattoukotsubu 0.51 ± 0.06 439 ± 6 0.04 ± 0.00  
 +  0.92 ± 0.12 549 ± 37 0.20 ± 0.05 66.4 ± 12.9
Tachinagaha 2.07 ± 0.13 1013 ± 42 0.13 ± 0.01  
 +  1.58 ± 0.15 847 ± 60 0.15 ± 0.03 41.4 ± 14.2
Cultivar (C)   *** *** ns *
Inoculation (I)   ns ns **  
C × I   ** ** *  
  1. Values are means (n = 4). The percentage data of root colonization by AM hyphae were arcsine-transformed to normalize the distribution. ANOVA: ns, not significant; *p < 0.05; **p < 0.01; ***p < 0.001