Propagating structures and some factors that affect the rooting performance of Shea (Vitellaria paradoxa Gaertn) stem cuttings

Yeboah, J; Lowor, S. T.; Amoah, F. M.; Owusu-Ansah, F
February 2011
Agriculture & Biology Journal of North America;2011, Vol. 2 Issue 2, p258
Academic Journal
The shea is an economic tree found in West and Central Africa with huge industrial and domestic uses for the butter. However, its rapid multiplication has been hampered by its slow growth and long gestation period. Factors that affect vegetative propagation are physiological, biochemical and environmental. A factorial experiment was carried out to study the type of structure(s) that can be used to enhance the rooting performance of shea stem cuttings. A significantly (P<0.05) higher rooting was achieved for cuttings set in the propagating bin (63.3%) and polythene propagator (57.5%). Significant (P<0.05) differences between infection rates on cuttings in the structures were observed with the polythene tunnel recording the highest (64.4%). High rooting performance and low infection rate were recorded when the cuttings were irrigated once daily, producing more and longer roots. Significantly (P<0.05) high number of rooted cuttings was observed for cuttings with retained petioles. This treatment also significantly reduced infection rate. Seradix 3 powder treated cuttings significantly recorded the highest number of rooted cuttings. Cuttings with retained petioles and irrigated once daily significantly recorded high levels of soluble, insoluble sugars and total free phenols.


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