| 项目编号: | 1404291
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| 项目名称: | DISSERTATION RESEARCH: Importance of leaf defenses to leaf economics spectrum evolution in wild and cultivated sunflower (Helianthus) |
| 作者: | Lisa Donovan
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| 承担单位: | University of Georgia Research Foundation Inc
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| 批准年: | 2013
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| 开始日期: | 2014-07-01
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| 结束日期: | 2017-06-30
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| 资助金额: | USD18913
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| 资助来源: | US-NSF
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| 项目类别: | Standard Grant
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| 国家: | US
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| 语种: | 英语
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| 特色学科分类: | Biological Sciences - Environmental Biology
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| 英文关键词: | leaf physiology
; leaf defens
; important leaf physiological trait
; sunflower
; leaf trait
; defens
; wild sunflower
; wild sunflower species
; defense trait
; little research
; sunflower datum
; crop research
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| 英文摘要: | Leaf defenses are traits that protect leaves from herbivory, like toughness or toxins. While individual leaf defenses have long been studied, there has been little research on the relationship between leaf defenses and the important leaf physiological traits that define plant growth rate and environmental stress tolerance. This research explores the relationship between leaf physiology and defense across 28 species of wild sunflower, as well as across 288 varieties of cultivated sunflower. Both wild and cultivated sunflowers will be assessed for leaf physiology and defenses in greenhouse studies. Wild species data will be used to understand how trait interactions allow persistence in native habitat. Cultivated sunflower data will be used to understand the covariation of these traits in crop varieties, and will be used to determine the genetic basis of both leaf physiology and defense traits.
Wild sunflower species thrive in habitats as diverse as deserts, wetlands, prairies, forests, and even rock outcrops. By understanding how leaf physiology and defenses have changed together during adaptation to different environments, we can understand the interplay of these important ecological traits, uncover agriculturally valuable trait combinations, and predict changes in wild ecosystems under climate and land-use change. Cultivated sunflower is an important oilseed crop, and understanding the genetic basis of leaf traits will provide resources for crop research. |
| 资源类型: | 项目
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/96491
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| Appears in Collections: | 影响、适应和脆弱性
气候减缓与适应
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| Recommended Citation: | |
Lisa Donovan. DISSERTATION RESEARCH: Importance of leaf defenses to leaf economics spectrum evolution in wild and cultivated sunflower (Helianthus). 2013-01-01.
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