Nursery substrates and provenances influence rooting performance of juvenile, single-node vine cuttings of Gnetum africanum Welw. (Gnetaceae)

Gnetum africanum Welw. (Gnetaceae) is a forest vine that is highly valued for its leaves which are a source of food and income. Because wild populations are threatened by over-harvesting, there is an increasing need to cultivate the plant, which in turn entails a need for developing good quality pla...

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Bibliographic Details
Published in:Afrika focus 2014-01, Vol.27 (3), p.7-21
Main Authors: Caspa, Roseline Gusua, Biloso, Apollinaire, Akalakou, Claude, Mafolo, Joseph, Tsobeng, Alain, Kouodiekong, Lazare, Tchoundjeu, Zacharie
Format: Article
Language:English
Subjects:
Agroforestry
Botany
Domestication
Flowers & plants
Plant growth
Plant propagation
Substrates
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Summary:Gnetum africanum Welw. (Gnetaceae) is a forest vine that is highly valued for its leaves which are a source of food and income. Because wild populations are threatened by over-harvesting, there is an increasing need to cultivate the plant, which in turn entails a need for developing good quality planting material. This study investigates the effects of four provenances, four substrates and their interactions on rooting and shoot development of vine cuttings of G. africanum using the non-mist propagation system developed by ICRAF. Single-node, half-leafed vine cuttings were used and data on rooting and leaf production were collected monthly from the second to the fifth months. Rooting percentages were subjected to analysis of variance using logistic regression procedures in Genstat version 12. Provenance (P
ISSN:0772-084X
2031-356X