Studies on vegetative propagation of black pepper (Piper Nigrum Linn.) using vine cuttings

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Five different experiments were conducted to find the influence of type of cutting, climatic and edaphic factors, the use of fungicides and growth regulators and wounding on sprouting, rooting and development of black pepper seedlings. Nodal positions, especially the hardwood cuttings and presence of leaves on the cuttings encouraged sprouting and rooting. Early sprouting and rooting were obtained from using one or two-node cuttings instead of using eight-node cuttings. The use of top soil, sand and their mixture in the ratio of 1:1 (v/v) as propagation media did not significantly influence sprouting but top soil, because of its high nutrient content, was found to promote seedling development. Covering the cuttings with transparent polythene sheet or bag and also treating the cuttings with fungicides (‘Bavistin’ and ‘Kocide 101’) enhanced the early development of cuttings into seedlings. Wounding vines prior to making cuttings out of them also hastened the development of cuttings into seedlings. A combination of nodal positions (semi-hard and hardwood) and any of the factors such as polythene covering, leaf retention and fungicide application hastened the development of cuttings into seedlings. The various concentrations of the growth regulators used bad no significant influence on sprouting and rooting. Recommendations are made on techniques to be adopted for intensified production of black pepper seedlings.
A thesis submitted to the Board of Postgraduate Studies, Kwame Nkrumah University of Science and Technology, Kumasi, in partial fulfilment of the requirement for the award of Master of Philosophy in Olericulture, 1997