The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges
博士 === 國立臺灣師範大學 === 生命科學研究所 === 99 === Many insect groups induce plant galls – structures composed of plant tissue within which the insect feeds, which are distinguished from other insect-generated shelters by the fact that they involve active differentiation and growth of plant tissues. Multiple ch...
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ndltd-TW-099NTNU51120092015-10-30T04:04:45Z http://ndltd.ncl.edu.tw/handle/27123118282041353101 The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges Daphnephila 屬癭蚋蟲癭之生態生理特性研究 Meng-Yuan Huang 黃盟元 博士 國立臺灣師範大學 生命科學研究所 99 Many insect groups induce plant galls – structures composed of plant tissue within which the insect feeds, which are distinguished from other insect-generated shelters by the fact that they involve active differentiation and growth of plant tissues. Multiple changes in response to gall inducers have been found in host plant tissues. In this study, two types of galls induced by two Daphnephila midge species were focused. Chemical analysis, gas exchange, chlorophyll fluorescence, scanning electron microscopy, confocal laser-scanning microscopy and reflectance spectra were used to investigate the ecophysiological characteristics of leaf-derived cecidomyiid galls and their host leaves. The results showed that the insect induced galls derived from infected leaf altered the biosynthetic and degradative pathways of chlorophyll. Based on assumptions of source-sink hypothesis, it suggests that leaf-derived cecidomyiid galls play the role as novel sink in leaves. The data of spectral reflectance revealed the potential of utilizing it as a tool for studying the ecophysiology of galls. The results indicated that galls had abilities and functions to scavenge free radicals effectively for balancing the increase of free radicals in their bodies. Yung-Ta Chang Chi-Ming Yang 張永達 楊棋明 2011 學位論文 ; thesis 136 en_US |
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博士 === 國立臺灣師範大學 === 生命科學研究所 === 99 === Many insect groups induce plant galls – structures composed of plant tissue within which the insect feeds, which are distinguished from other insect-generated shelters by the fact that they involve active differentiation and growth of plant tissues. Multiple changes in response to gall inducers have been found in host plant tissues. In this study, two types of galls induced by two Daphnephila midge species were focused.
Chemical analysis, gas exchange, chlorophyll fluorescence, scanning electron microscopy, confocal laser-scanning microscopy and reflectance spectra were used to investigate the ecophysiological characteristics of leaf-derived cecidomyiid galls and their host leaves. The results showed that the insect induced galls derived from infected leaf altered the biosynthetic and degradative pathways of chlorophyll. Based on assumptions of source-sink hypothesis, it suggests that leaf-derived cecidomyiid galls play the role as novel sink in leaves. The data of spectral reflectance revealed the potential of utilizing it as a tool for studying the ecophysiology of galls. The results indicated that galls had abilities and functions to scavenge free radicals effectively for balancing the increase of free radicals in their bodies.
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author2 |
Yung-Ta Chang |
author_facet |
Yung-Ta Chang Meng-Yuan Huang 黃盟元 |
author |
Meng-Yuan Huang 黃盟元 |
spellingShingle |
Meng-Yuan Huang 黃盟元 The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges |
author_sort |
Meng-Yuan Huang |
title |
The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges |
title_short |
The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges |
title_full |
The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges |
title_fullStr |
The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges |
title_full_unstemmed |
The Study on the Ecophysiological Characteristics of Galls Induced by Daphnephila Midges |
title_sort |
study on the ecophysiological characteristics of galls induced by daphnephila midges |
publishDate |
2011 |
url |
http://ndltd.ncl.edu.tw/handle/27123118282041353101 |
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