Skip to main content

Table 2 Phenotypic evaluation of global root morphology of the two wheat cultivars under Pi deficiency

From: Greater morphological and primary metabolic adaptations in roots contribute to phosphate-deficiency tolerance in the bread wheat cultivar Kenong199

Traitsa CS KN199
+Pi −Pi +Pi −Pi
Total root length (cm) 361 ± 40b 411 ± 42b 362 ± 25b 522 ± 61a
Fine root length (≤ 0.05 mm in diameter) 313 ± 33b 347 ± 38b 321 ± 28b 461 ± 44a
Thick root length (>  0.05 mm in diameter) 47 ± 8a 63 ± 18a 41 ± 9a 61 ± 17a
Total root surface area (cm2) 35.95 ± 5.56b 42.57 ± 7.20ab 37.88 ± 2.55b 52.68 ± 7.75a
Total root volume (cm3) 0.285 ± 0.058b 0.300 ± 0.019b 0.316 ± 0.041ab 0.423 ± 0.076a
Average diameter (mm) 0.316 ± 0.017a 0.328 ± 0.033a 0.334 ± 0.025a 0.320 ± 0.012a
Number of root tips 1378 ± 148b 1735 ± 331a 1353 ± 139b 1662 ± 160ab
  1. Note: a the value for each trait is determined per plant. Data are means ± SD (n = 3), and different letters indicate significant differences using the least significant difference multiple range test (p < 0.05)