期刊
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷 37, 期 5, 页码 541-548出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2009.08.007
关键词
GC/MS; Gall; Histochemistry; Leaf anatomy; TLC
资金
- The Electron Microscopy Center of UFRGS
- The Botanical Garden of the Zoo-Botanical Foundation of Belo Horizonte
Leaf galls induced by Aceria lantanae occur in distinct populations of Lantana camara, exclusively on individuals with red flowers. Anatomical, histochemical and phytochemical analyses of leaves were performed to determine characteristics related to host selection among individuals with red (RF), pink (PF) and white flowers (WF). The host plants (RF) presented amphistomatic leaves, higher stomatal index value, and non-glandular trichomes significantly longer and less dense when compared to non host plants. Morphological features of RF indicated a more propitious micro-habitat for A. lantanae, with physical protection against its natural enemies. The monoterpenes limonene and eucalyptol, and the sesquiterpene a-caryophyllene were detected only in non host plants. These differences in volatiles composition might be related to the selection of RF as host plants, and chemical repellence in PF and WE Our analysis revealed intra-specific morphological and chemical variations possibly related to host selection by A. lantanae. (C) 2009 Elsevier Ltd. All rights reserved.
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