Sokoine University of Agriculture

Effects of insect pollination on okra fruit set and yield along selected habitat gradients at Kilombero District, Tanzania

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dc.contributor.author Magwira, Joseph A.
dc.date.accessioned 2022-10-18T10:00:40Z
dc.date.available 2022-10-18T10:00:40Z
dc.date.issued 2021
dc.identifier.uri http://www.suaire.sua.ac.tz/handle/123456789/4699
dc.description Dissertation en_US
dc.description.abstract Pollination is the most important ecosystem services for biodiversity of plants on earth. Insect pollinators are playing an indispensable role in the pollination of agricultural crops such as okra (A. esculentus). The main objectives of the study were; to determine the effects of insect pollination on okra (A. esculentus) fruit set rate and yield at Kilombero district, Tanzania. The split plot design was used, where okra plots were arranged in a randomized complete block design (RCBD) with two treatments and three replications from the edges of natural forest and sugarcane plantation. GenStat Discovery Edition 4 and Microsoft Excel 2021 computer software programs were used in the data analysis. Results indicated that the dominant okra insect pollinators were Macrogalea candida, Braunsapis bouyssouri, Borbo borbonica and Apis mellifera. The insect pollinator species abundance, richness and diversity were higher at the edge of natural forest than sugarcane plantation. The okra plants from the edge of natural forest had significantly higher mean numbers of pods per plant and seed weight per 100 seeds than those from sugarcane plantation. Insect pollination had high significant effects on Okra yield (P < 0.05). In addition, there was high significant effects of insect pollination on okra fruit set rate (P < 0.05). The research has concluded that insect pollinators have substantial effects on fruit set rate and yield of food crops such as okra (A. esculentus). In addition, natural habitats are important. Therefore, conservation of insects' friendly habitats such as natural forests is highly recommended to avoid their decline and consequently declining of pollination services. en_US
dc.description.sponsorship Tanzania Forest Services Agency (TFSA) en_US
dc.language.iso en en_US
dc.publisher Sokoine University of Agriculture en_US
dc.subject Insect pollination effects en_US
dc.subject Okra fruit set en_US
dc.subject Habitat gradients en_US
dc.subject Ecosystem services en_US
dc.subject Kilombero District en_US
dc.title Effects of insect pollination on okra fruit set and yield along selected habitat gradients at Kilombero District, Tanzania en_US
dc.type Thesis en_US


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