Research Article

Effect of Culture Media and Plant Growth Regulators on Shoot Proliferation and Rooting of Internode Explants from Moroccan Native Almond (Prunus dulcis Mill.) Genotypes

Table 4

Rooting average of the “Beldi” almond ecotypes on half-strength MS and Heller media with different concentrations of IBA.

GenotypesRooting mediaRooting rate (%)Root numberRoot length (cm)
MediaIBA (mg/L)

Half-strength MS
S10.526.08 ± 0.75e1.4 ± 0.10f1.0 ± 0.10c
S20.521.73 ± 0.49ef3.3 ± 1.01d2.3 ± 0.42a
S30.530.43 ± 0.69d2.1 ± 1.07e1.7 ± 0.44ab
S11.058.33 ± 0.72a4.5 ± 0.78bc1.3 ± 0.15b
S21.060.41 ± 0.81a7.3 ± 1.36a2.4 ± 0.67a
S31.048.14 ± 0.90b6.2 ± 1.30ab1.6 ± 0.61ab
S11.554.16 ± 0.52ab4.7 ± 1.56b1.3 ± 0.47b
S21.543.75 ± 0.68bc5.4 ± 0.67b1.7 ± 1.30ab
S31.559.25 ± 0.74a4.6 ± 0.87bc2.1 ± 0.59a

Heller
S10.515.21 ± 0.50f1.1 ± 0.78f0.7 ± 0.06c
S20.528.57 ± 0.81d2.3 ± 0.67e0.6 ± 0.53c
S30.526.08 ± 0.61ef1.5 ± 0.53f1.4 ± 0.67b
S11.040.74 ± 0.95bc2.5 ± 0.15e0.9 ± 0.78c
S21.038.09 ± 0.59c2.7 ± 1.22c1.5 ± 0.15b
S31.030.43 ± 0.87d4.8 ± 0.76b1.8 ± 0.76ab
S11.521.67 ± 0.97ef3.4 ± 1.01d2.2 ± 0.63a
S21.529.26 ± 0.90d6.8 ± 1.07ab1.5 ± 0.47ab
S31.537.78 ± 0.85bc5.1 ± 0.14 b1.3 ± 0.20b

Each value represents the mean ± SE of three replicates. The same letter within a column denotes statistically equal means with Duncan's multiple range test at  ≤ 0.05.