Germination and establishment of Sahelian rangeland species

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Abstract
In the context of a study on the dynamics of Sahelian rangelands, seed characteristics of about 30 species have been described, with particular attention to germination characteristics. Data on both form and weight of the seeds are presented. Germination was studied under controlled conditions in a climate room. Optimum conditions for germination were established, and the species were characterized by induction time, slope of germination vs. time curve and final germination percentage. The results obtained under climate room conditions appear to be correlated satisfactorily with the behaviour of the different species in the field.