Abstract
AbstractThis study on predispersal seed predation of the leguminous speciesVachellia abyssinica(Hochst. Ex. Benth.) Kyal & Boatwr.,Senegalia senegal(L.) Britton,Vachellia seyal(Del.) P.J.H. Hurter, andVachellia tortilis(Forssk.) Galasso & Banfi was conducted around Lake Langano and Menagesha Forest in Ethiopia to identify the associated seed predators and determine their impact on seed germination. Eight seed beetlesBruchidius albosparsus(Fåhraeus, 1839),B. aurivillii(Blanc, 1889),B. djemensisDecelle 1971,B. discoidalis(Fåhraeus, 1839),B. sinaitus(K. Daniel, 1907),B. silaceus(Fåhraeus, 1839),B. sp 411,B. simulans(Anton and Delobel, 2003), and one unidentified species of Cerambycidae were found associated with seeds of theseAcaciaspecies. These predators damaged less than 9% of seeds of these species, which exhibited lower germination. This study provides unrecorded lists of predispersal seed predators associated with seeds ofVachelliaandSenegaliaspecies in Ethiopia, and some associations are new. There is need to assess the distribution, abundance and effects of predispersal seed predators on otherVachellia, as well as other tree species.
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