NDLI: Plant organ abscission and the green island effect caused by gallmidges (Cecidomyiidae) on tropical trees

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Arthropod-Plant Interactions : Volume 2, Issue 1, March 2008

Arthropod-Plant Interactions : Volume 1

Plant organ abscission and the green island effect caused by gallmidges (Cecidomyiidae) on tropical trees

Content Provider	Springer Nature Link
Author	Fernandes, G. Wilson De Marco Júnior, Paulo Schönrogge, K.
Copyright Year	2008
Abstract	Plants exhibit a wide array of inert and induced responses in defense against herbivore attack. Among these the abscission of organs has been argued to be a highly effective mechanism, depending, however, on the herbivore’s feeding mode. While consisting of plant tissues, insect induced galls are seen as the extended phenotype of the gall inducer which might circumvent many or most of the plant defenses. There is very little information whether and how far beyond the gall tissue gall inducers might affect plant tissues. A localized impact is likely to leave the abscission of galled organs as a viable defense although at a cost. Here, we report on an instance where the host plant, Neea madeirana (Nyctaginaceae) abscises leaves galled by two species of Bruggmannia (Diptera: Cecidomyiidae), more frequently than ungalled leaves in a rain forest in Amazonia, Brazil. Once on the forest floor the leaves decay quickly, while both gall types show signs of localized maintenance of healthy tissues for a while (the green island effect). However, on the forest floor galls are exposed to a new set of potential natural enemies. Both gall types show a minimum of a five-fold increase in mortality due to pathogens (fungi and bacteria) compared to galls that were retained on the host tree. We discuss the adaptive nature of plant organ abscission as a plant defense against gallers and as a gall inducer adaptive trait.
Starting Page	93
Ending Page	99
Page Count	7
File Format	PDF
ISSN	18728855
Journal	Arthropod-Plant Interactions
Volume Number	2
Issue Number	2
e-ISSN	18728847
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-03-28
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Amazonia Insect galls Insect herbivory Leaf abscission Plant-induced defense Gall mortality Plant Pathology Behavioural Sciences Ecology Plant Sciences Invertebrates Entomology
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics Insect Science Agronomy and Crop Science

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Original paper plant organ abscission and the green island effect caused by gallmidges (cecidomyiidae) on tropical trees.

Interactions of gall-forming species at different plant spatial scales

Misleading herbivory in a tropical tree

Similar responses of insect herbivores to leaf fluctuating asymmetry

The mechanism of gall induction makes galls red

Impact of a gall-inducing aphid on Pistacia atlantica Desf. trees

Explaining differential herbivory in sun and shade: the case of Aristotelia chilensis saplings

Growth, plant quality and leaf damage patterns in a dioecious tree species: is gender important?

Anti-insect effects of the gall wall of Baizongia pistaciae [L.], a gall-inducing aphid on Pistacia palaestina Boiss

Plant organ abscission and the green island effect caused by gallmidges (Cecidomyiidae) on tropical trees

Similar Documents

Original paper plant organ abscission and the green island effect caused by gallmidges (cecidomyiidae) on tropical trees.

Interactions of gall-forming species at different plant spatial scales

Misleading herbivory in a tropical tree

Similar responses of insect herbivores to leaf fluctuating asymmetry

The mechanism of gall induction makes galls red

Impact of a gall-inducing aphid on Pistacia atlantica Desf. trees

Explaining differential herbivory in sun and shade: the case of Aristotelia chilensis saplings

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Plant organ abscission and the green island effect caused by gallmidges (Cecidomyiidae) on tropical trees