Insect Herbivory on Eucalyptus

Ohmart, C. P.; Edwards, Penelope B.

doi:10.1146/annurev.en.36.010191.003225

Cited by 145 publications

(55 citation statements)

References 45 publications

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“…Effects of physical characteristics on herbivory have been less well studied, but may be important (Sanson et al 2001). This is well demonstrated for insects (Lowman and Box 1983, Ohmart and Edwards 1991, Steinbauer et al 1998 but is less well known for mammalian herbivores.…”

Section: Introductionmentioning

confidence: 99%

How do soil nutrients affect within-plant patterns of herbivory in seedlings of Eucalyptus nitens?

et al. 2006

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This study assessed how the palatability of leaves of different age classes (young, intermediate and older) of Eucalyptus nitens seedlings varied with plant nutrient status, based on captive feeding trials with two mammalian herbivores, Red-bellied Pademelons (Thylogale billardierii), and Common Brushtail Possums (Trichosurus vulpecula). Seedlings were grown under three nutrient treatments (low, medium and high) and we determined how palatability was related to chemical and physical characteristics of the leaves. Pademelons ate more older leaves than young and intermediate leaves for all treatments. This pattern was best explained by sideroxylonals (formylated pholoroglucinol compounds known to deter herbivory by other marsupials), and/or essential oil compounds that were in lower concentrations in older leaves. In the low nutrient treatment, possums also ate more of the older leaves. However, in the medium and high nutrient treatments, possums ate more intermediate leaves than older leaves and showed a behavioural preference for young leaves (consuming younger leaves first) over intermediate and older leaves, in spite of high levels of sideroxylonals and essential oils. The young leaves did, however, have the highest nitrogen concentration of the leaf age classes. Thus, either sideroxylonals and essential oils provided little or no deterrent to possums, or the deterrent was outweighed by other factors such as high nitrogen. This study indicates that mammalian herbivores show different levels of relative use and damage to leaf age classes at varying levels of plant nutrient status and, therefore, their impact on plant fitness may vary with environment.

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Section: Introductionmentioning

confidence: 99%

How do soil nutrients affect within-plant patterns of herbivory in seedlings of Eucalyptus nitens?

et al. 2006

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“…In entomology, the works of Doug Waterhouse (Waterhouse 1957), Max Day (Day and Grace 1959), Lindsay Barton Browne (Browne 1975), Cliff Ohmart (Ohmart and Edwards 1991) and Michael Slaytor (Slaytor and Chappell 1994) were instrumental in developing an awareness of insect feeding and their requirements for nutrition. Peter Greenaway stimulated much of the work on the digestive changes as crustaceans moved into the terrestrial environment (Greenaway 1994;Greenaway and Linton 1995).…”

Section: Australian Contribution To Nutritional Ecologymentioning

confidence: 99%

Nutritional ecology: patterns and processes

Cooper¹

2011

Aust. J. Zool.

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“…Em certos casos, determinadas populações podem apresentar crescimento descontrolado e causar sérios danos ou mesmo morte de árvores. Na Austrália, estas populações encontram-se representadas, principalmente, por insetos das ordens Phasmatodea, Coleoptera e Lepidoptera (Ohmart & Edwards, 1991).…”

Section: Introductionunclassified

Monitoramento De Lepidópteros, Associados a Plantios De Eucalipto Da Região De Açailândia (Maranhão), No Período De Agosto/90 a Julho/91.

Zanúncio

Fagundes²,

Araújo³

et al. 1992

Acta Amaz.

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RESUMOMuitas das espécies de insetos associadas ao plantios de eucalipto são consideradas pragas, enquanto outras ainda não apresentam uma relação definida com estas florestas. Amostragens quinzenais da entomofauna, realizadas com armadilhas luminosas, no período de agosto/90 a julho/91, revelaram a existência de 263 espécies de Lepidoptera associadas aos plantios de eucalipto da região de Açailândia (Maranhão

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Insect Herbivory on Eucalyptus

Cited by 145 publications

References 45 publications

How do soil nutrients affect within-plant patterns of herbivory in seedlings of Eucalyptus nitens?

How do soil nutrients affect within-plant patterns of herbivory in seedlings of Eucalyptus nitens?

Nutritional ecology: patterns and processes

Monitoramento De Lepidópteros, Associados a Plantios De Eucalipto Da Região De Açailândia (Maranhão), No Período De Agosto/90 a Julho/91.

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