Influence of Growth Regulators on Callogenesis and Somatic Embryo Development in Date Palm (Phoenix dactylifera L.) Sahelian Cultivars

Table 2

Influence of NAA on rooting after 4 weeks.

NAA (mg/L)	Root number per plant	Root lengh (cm)
0	13^a	1.4^b
1	1^b	4.9^a

Average values were calculated from 5 repetitions per condition of medium; letters indicate significative differences according to Newman and Keuls test at the level of 5%.