Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s11829-015-9387-7 |
Leaf traits, water stress, and insect herbivory: Is food selection a hierarchical process? | |
Bisigato, Alejandro J.1,2; Sain, Claudia L.1; Campanella, M. Victoria1; Cheli, German H.1 | |
通讯作者 | Bisigato, Alejandro J. |
来源期刊 | ARTHROPOD-PLANT INTERACTIONS
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ISSN | 1872-8855 |
EISSN | 1872-8847 |
出版年 | 2015 |
卷号 | 9期号:5页码:477-485 |
英文摘要 | Plant water stress can affect selectivity by insect herbivores. Numerous studies have shown greater insect preference for water-stressed plants, but others have reported the opposite response. We evaluated leaf consumption by adults of Nyctelia circumundata (a chewing insect) in leaves of Larrea divaricata and Prosopis alpataco. Three bioassays (two-way choice tests) were performed: two intra-specific comparisons between well-watered (+W) and water-stressed (-W) leaves of each species and one inter-specific comparison between leaves of the two species. Leaf biomass was reduced by water stress in both species. Nitrogen concentration in leaves (N) was reduced by drought in P. alpataco. In contrast, total phenolics and specific leaf area (SLA) did not differ between treatments within species. Nyctelia circumundata did not show preference by any water supply regimes in intra-specific comparisons. In contrast, in inter-specific choice tests, it showed a marked preference for P. alpataco, which is the species with the highest nitrogen concentration and lowest total phenolics concentration. In intra-specific comparisons, maximum leaf consumption was inversely related to SLA in both species. Furthermore, in P. alpataco, N concentration was positively related to maximum leaf consumption and negatively related to leaf water content (LWC). In contrast, in inter-specific comparisons, total phenolics was negatively related to maximum leaf consumption, while N concentration exhibited the opposite trend. These results suggest that food selection is a hierarchical process where chemical attributes (i.e., total phenolics and N) are taken into account for species selection, and physical attributes (i.e., SLA and LWC) for choosing individuals inside species. |
英文关键词 | Larrea divaricata Prosopis alpataco Nyctelia circumundata Drought Consumption |
类型 | Article |
语种 | 英语 |
国家 | Argentina |
收录类别 | SCI-E |
WOS记录号 | WOS:000361056600005 |
WOS关键词 | FEEDING-PREFERENCE EXPERIMENTS ; PLANT VIGOR HYPOTHESIS ; DROUGHT STRESS ; DESERT GRASSHOPPER ; SITKA SPRUCE ; PERFORMANCE ; AVAILABILITY ; RESISTANCE ; QUALITY ; CHOICE |
WOS类目 | Ecology ; Entomology |
WOS研究方向 | Environmental Sciences & Ecology ; Entomology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/186003 |
作者单位 | 1.CENPAT CONICET, RA-9120 Puerto Madryn, Chubut, Argentina; 2.Univ Nacl Patagonia San Juan Bosco, RA-9120 Puerto Madryn, Argentina |
推荐引用方式 GB/T 7714 | Bisigato, Alejandro J.,Sain, Claudia L.,Campanella, M. Victoria,et al. Leaf traits, water stress, and insect herbivory: Is food selection a hierarchical process?[J],2015,9(5):477-485. |
APA | Bisigato, Alejandro J.,Sain, Claudia L.,Campanella, M. Victoria,&Cheli, German H..(2015).Leaf traits, water stress, and insect herbivory: Is food selection a hierarchical process?.ARTHROPOD-PLANT INTERACTIONS,9(5),477-485. |
MLA | Bisigato, Alejandro J.,et al."Leaf traits, water stress, and insect herbivory: Is food selection a hierarchical process?".ARTHROPOD-PLANT INTERACTIONS 9.5(2015):477-485. |
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