Abstract
Congolese forests contain important spontaneous food plants. Among these plants, there is the Grewia coriacea Mast., called in the national language "Tsui-téké", which is a tree of 4-25 m high and of 12-40 cm in diameter. Its fruits are used in several drinks making (juice, sparkling wine, syrup) and lollipops. Grewia's barks are used in pharmacopoeia to cure of stomach aches, syphilis. However, the fruits harvesting method based on branches or trees cutting as well as swidden agriculture by local people dangerously threatens the Grewia in the natural ecosystems of Congo. To insure the longevity of this species, we undertook trials of vegetative reproduction of the plant by means of propagation by cuttings for its domestication. Less woody leafless cuttings of 30 cm in length provided best results with a resumption rate of 63.3%, a good rooting production and an average duration of the apparent plastochrone of three days from the second to the fifth leaf. The study shows that domestication of the Grewia coriacea Mast. is possible today by cuttings. Its culture might allow the diversification of species which can be used in orchards.
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