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Beaune, David; Bollache, Loic; Muganza, Musuyu D.; Bretagnolle, François; Hohmann, Gottfried and Fruth, Barbara ORCID logoORCID: https://orcid.org/0000-0001-9217-3053 (2013): Artificial Germination Activation of Dialium corbisieri by Imitation of Ecological Process. In: Journal of Sustainable Forestry, Vol. 32, No. 6: pp. 565-575

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Abstract

Species of the gender Dialium commonly are trees found in Central African rainforests. They produce tasty sugary fruits, feeding numerous frugivores, but are, despite their valuable nutritional value, rarely exploited by humans. A potential reason for this could be the complexity of symbiotic dependence between trees and pollinators, germination activators, and dispersers causing problems in ancestral and contemporary domestication. We investigated Dialium corbisieri reproduction in the Democratic Republic of the Congo, Bandundu Province. Here we give a key for an artificial activation of germination of these trees ecologically adapted to the digestive system of their ape dispersers: By perforation of the impermeable seed coat protection, water assimilation and subsequent activation of germination becomes possible. By this nicking, pretreatment germination increases from 0 to 96%, representing an inexpensive and simple treatment to be used under natural conditions and in developing countries. The use of this mechanical activation for forest management, conservation, and economic use is discussed.

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