New Discussion on Boysen-Jensen's Photosynthetic Response Curves Under Plant Canopy and Proposal of Practical Equations for Monitoring and Management of Canopy Photosynthesis

Q3 Agricultural and Biological Sciences Environmental Control in Biology Pub Date : 2016-01-01 DOI:10.2525/ECB.54.7
Yuta Okamoto, A. Haraguchi, Takuya Suzuki, T. Kawano
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引用次数: 5

Abstract

The name of Peter Boysen-Jensen brightly shines in the history of plant biology, especially as one of pioneering researchers studying the actions of plant hormones during phototropic responses as reviewed elsewhere (Pennazio, 2002; Enders and Strader, 2015), although the significance of some key experiments are questioned today (Yamada et al., 2000). Apart from plant growth regulation by light and/or plant hormones, Boysen-Jensen has two wellacknowledged contributions to photosynthetic studies, namely, a series of study on the photosynthetic assimilation and the study on the plant canopy structure. As reviewed elsewhere (Hirose, 2005), Boysen-Jensen have pointed out that the increase in dry mass reflects the photosynthetic assimilation of carbon dioxide (Boysen-Jensen, 1918; Boysen-Jensen and Müller, 1929a; 1929b), and he also deeply studied the photosynthesis under plant canopy structure in which the leaves of self and non-self origins are layered and compete for light (Boysen-Jensen, 1929; 1932). The most important factors to be discussed when relating the structural feature of plant canopy and functioning photosynthesis might be the utility of light at different positions within the canopy structure, as photosynthetic rate must be a function of light availability on site. The concept on the competition for light within plant community proposed by Boysen-Jensen is now the basis for understanding the eco-physiological behaviors of plants such as temperature-responsive onset of vegetation growth under competitive inter-species canopy (Dunnett and Grime, 1999).
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植物冠层下Boysen-Jensen光合响应曲线的新探讨及冠层光合监测与管理实用方程的提出
Peter Boysen-Jensen的名字在植物生物学的历史上闪耀着光芒,特别是作为研究植物激素在致光性反应中的作用的先驱研究者之一(Pennazio, 2002;Enders and Strader, 2015),尽管一些关键实验的意义在今天受到质疑(Yamada et al., 2000)。除了光和/或植物激素对植物生长的调节外,Boysen-Jensen在光合作用研究中还有两个公认的贡献,即光合同化的一系列研究和植物冠层结构的研究。在其他地方(Hirose, 2005), Boysen-Jensen指出干质量的增加反映了二氧化碳的光合同化(Boysen-Jensen, 1918;Boysen-Jensen and m ller, 1999a;1929b),他还深入研究了植物树冠结构下自生和非自生叶片分层争光的光合作用(Boysen-Jensen, 1929;1932)。当将植物冠层的结构特征与光合作用功能联系起来时,需要讨论的最重要的因素可能是冠层结构中不同位置的光效用,因为光合速率必须是现场光可用性的函数。Boysen-Jensen提出的植物群落内光竞争的概念现在是理解植物生态生理行为的基础,例如在竞争的种间冠层下植被生长的温度响应性开始(Dunnett and Grime, 1999)。
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来源期刊
Environmental Control in Biology
Environmental Control in Biology Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.00
自引率
0.00%
发文量
25
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