Back ground Tsetse-transmitted trypanosomosis much depends on the distribution and capacity of Glossina species responsible for transmission. Method A cross-sectional study based on parasitological and entomological studies was conducted from October to June 2018 to determine the epidemiology, distribution, and magnitude of the vector, the disease and Analyze associated risk factors. ResultsBased on implemented entomological study, Didessa river basin has a total apparent fly density of 5.33 Fly/Trap/Day (FTD); similarly, Glossina species accounted about 4.04 and 1.29 were other biting flies (Stomoxys and Tabanus). The composition of Glossina species identified in the study were 3335 (98.56%) Glossina tachinoides and 49 (1.44%) Glossina fuscipes. Comparatively higher and lower FTD found in altitude ranges from 1317 m above sea-level Bedele District (FTD = 5.19) and 1334 m above sea-level Boracha District (FTD = 1.88). Furthermore, from the total of n = 1517, local breeds of cattle examined for the infection of parasite and 82 cattle were found infected with an overall prevalence of 5.41%. The resulted overall prevalence was composed of Trypanosome congolense and Trypanosome vivax, 59 (3.89%) and 23 (1.52%), respectively.
Better understanding of variations in seed traits and seedling vigor in various populations of a given species is vital for appropriate nursery and tree planting technology. The main objective of this study was to identify better provenance for indigenous trees by testing seed germination and seedling traits. Seeds of six indigenous trees (Vachellia abyssinica, Vachellia seyal, Faidherbia albida, Balanites aegyptiaca and Terminalia laxiflora Engl.) were collected from different geographic areas. One hundred (100) polyethylene pots (20 cm height and 12 cm diameter) were filled with 2:1:1 ratio of local, forest soil and sand composition for seedlings. A Complete Randomized Design (CRD), 5 x 4 polyethylene pots in four replications of 20 polyethylene pots for each provenance was designed in the nursery and the provenances for selected species. Different early growth performance parameters were measured for each tested provenance. All collected data were analyzed by using ANOVA while the least significance difference was computed for mean separation. The seedling performance of Vachellia abyssinica and Vachellia seyal were significantly varied among the provenances. Vachellia abyssinica from Butajira provenance had the highest mean values across all the studied parameters. Except height, Kako provenance had the highest mean values across all the early performance parameters of Vachellia seyal. Seedling performances of Faidherbia albida in the nursery was significantly varied among the provenances except for root collar diameter. Provenance from Wondo Genet had the highest mean values of germination percent and comparable leaf numbers with provenance from Hawassa. It can be concluded that the observed patterns of variation will have the implication for genetic resources conservations and tree improvement. Accordingly, Butajira and Kako provenances could be taken as a good source of seed collection for Vachellia abyssinica and Vachellia seyal, respectively. Wondo Genet and Hawassa provenances could also ensure the provision of planting materials of Faidherbia albida for farmers. Further progeny tests in the field should be undertaken for a longer period to obtain definitive recommendations for early selection
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.