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.
Genotypes
Rooting media
Rooting rate (%)
Root number
Root length (cm)
Media
IBA (mg/L)
Half-strength MS
S1
0.5
26.08 ± 0.75e
1.4 ± 0.10f
1.0 ± 0.10c
S2
0.5
21.73 ± 0.49ef
3.3 ± 1.01d
2.3 ± 0.42a
S3
0.5
30.43 ± 0.69d
2.1 ± 1.07e
1.7 ± 0.44ab
S1
1.0
58.33 ± 0.72a
4.5 ± 0.78bc
1.3 ± 0.15b
S2
1.0
60.41 ± 0.81a
7.3 ± 1.36a
2.4 ± 0.67a
S3
1.0
48.14 ± 0.90b
6.2 ± 1.30ab
1.6 ± 0.61ab
S1
1.5
54.16 ± 0.52ab
4.7 ± 1.56b
1.3 ± 0.47b
S2
1.5
43.75 ± 0.68bc
5.4 ± 0.67b
1.7 ± 1.30ab
S3
1.5
59.25 ± 0.74a
4.6 ± 0.87bc
2.1 ± 0.59a
Heller
S1
0.5
15.21 ± 0.50f
1.1 ± 0.78f
0.7 ± 0.06c
S2
0.5
28.57 ± 0.81d
2.3 ± 0.67e
0.6 ± 0.53c
S3
0.5
26.08 ± 0.61ef
1.5 ± 0.53f
1.4 ± 0.67b
S1
1.0
40.74 ± 0.95bc
2.5 ± 0.15e
0.9 ± 0.78c
S2
1.0
38.09 ± 0.59c
2.7 ± 1.22c
1.5 ± 0.15b
S3
1.0
30.43 ± 0.87d
4.8 ± 0.76b
1.8 ± 0.76ab
S1
1.5
21.67 ± 0.97ef
3.4 ± 1.01d
2.2 ± 0.63a
S2
1.5
29.26 ± 0.90d
6.8 ± 1.07ab
1.5 ± 0.47ab
S3
1.5
37.78 ± 0.85bc
5.1 ± 0.14 b
1.3 ± 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.