文化大學機構典藏 CCUR:Item 987654321/29129
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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/29129


    题名: Leaf-derived cecidomyiid galls are sinks in Machilus thunbergii (Lauraceae) leaves
    作者: Huang, Meng-Yuan
    Huang, Wen-Dar
    Chou, Hsueh-Mei
    Lin, Kuan-Hung
    Chen, Chang-Chang
    Chen, Pei-Ju
    Chang, Yung-Ta
    Yang, Chi-Ming
    贡献者: 生科所
    关键词: PIGMENT-PROTEIN COMPLEXES
    PARTHENIUM-HYSTEROPHORUS
    NUTRITION HYPOTHESIS
    EPIBLEMA-STRENUANA
    PHOTOSYNTHESIS
    TAIWAN
    PERFORMANCE
    INSECTS
    MANIPULATION
    DEFICIENCY
    日期: 2014-11
    上传时间: 2015-01-20 09:59:55 (UTC+8)
    摘要: Three relevant hypotheses-nutrition, environment and the enemies hypothesis-often invoked to explore source and sink relationships between galls and their host plants are still under dispute. In this research, chlorophyll fluorescence, gas exchange capacity, stomatal conductance, total carbon and nitrogen, total soluble sugars and starches, and scanning and transmission electron microscopy of two types of galls were used to investigate source-sink relationships. Compared with host leaves, these galls demonstrated slightly lower chlorophyll fluorescence; however, gas exchange capacity and stomatal conductance were not detected at all. Scanning electron micrographs demonstrated that the abaxial epidermis of host leaves contain normal amounts of stomata, whereas no stomata were observed on the exterior and interior surfaces of both types of galls. In addition, gall inner surfaces were covered with many kinds of fungal hyphae. Gall total carbon (C) and nitrogen (N) levels were lower but the C/N ratio was higher in galls than host leaves. Both types of galls accumulated higher total soluble sugars and starches than host leaves. Transmission electron micrographs also revealed that both types of galls contain plastoglobuli and giant starch granules during gall development. Results strongly indicate that leaf-derived cecidomyiid galls are sinks in Machilus thunbergii leaves. However, it is perplexing how larvae cycle and balance CO2 and O-2 in gall growth chambers without stomata.
    關聯: PHYSIOLOGIA PLANTARUM 卷: 152 期: 3 頁碼: 475-485
    显示于类别:[生物科技研究所 ] 期刊論文

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