Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"pollen quality"”.
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So happy together? : Pollination and reproductive strategy of two sympatric species of Acanthus L. in Kenya
… A. polystachyus, and receive more heterospecific pollen. As A. eminens is a common species of the natural ecosystem, such effects would indicate that habitat fragmentation causes longterm changes in ecosystem processes of Kakamega Forest, threatening its future existence in its natural state. In …
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Demographic and environmental determinants of reproductive success in Synthyris bullii, a rare endemic species
… reproductive success and floral quantity versus quality. The results of this study show that inflorescence size correlates positively with population size, and that both factors play important roles in determining reproductive output. Chapter 2 examines the response of reproductive morphology to …
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Habitat variation effects on cavity-nesting bee fitness, community assemblages, and parasite interactions in the Colorado Front Range
… bee fitness traits including diet breadth and quality, provisioning ability, reproduction and brood development, parasite abundance, and community network metrics. This was done by deploying artificial nesting boxes in the ponderosa pine forest of Boulder County, CO that either burned at higher …
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Effects of systemic fungicides on floral attributes, pollination and fruit aroma in strawberries
… expectation to produce high-yielding and high-quality products. To manage these difficulties, farmers use high-efficient plants and perform pest management, including the use of fungicides. These Fungicides contain one or more active ingredients on which they are categorised, regulated, and …