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Richness of gall-inducing insects in the tropical dry forest (caatinga) of Pernambuco Rev. Bras. entomol.
Santos,Jean Carlos; Almeida-Cortez,Jarcilene Silva de; Fernandes,G. Wilson.
Diversity of gall-inducing insects in the tropical dry forest (caatinga) of Pernambuco. We report on the richness of galling insects in the vegetation of caatinga of Pernambuco state, Brazil. We recorded 64 different types of galls collected primarily from leaves and stems of 48 species of host plants belonging to 17 families and 31 genera. The most common gall morphological types were spheroid and discoid, glabrous, predominantly green and with one chamber. The main gall inducing taxon was the Cecidomyiidae (Diptera). The results of this study contribute to existing knowledge of galling insect and host-plant diversity in caatinga.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cecidomyiidae; Host plants; Insect galls; Insect herbivore; Species richness.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000100009
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Relationship between gall-midge parasitism, plant vigor, and developmental instability in Ouratea polygyna Engl (Ochnaceae) in a patch of a Brazilian Atlantic Forest Acta Botanica
Silva,Maíra Honorato de Moura; Almeida-Cortez,Jarcilene Silva de; Silva,Estevão Alves; Santos,Jean Carlos.
We tested the preference prediction of plant vigor hypothesis by examining the relationship between gall occurrence and leaf size. We also examined the effect of galls on leaf asymmetry, which is a measure of developmental instability. Gall occurrence did not increase with leaf size, thereby providing no support to the preference prediction. Galled leaves were significantly more asymmetric than ungalled leaves. Moreover, leaf asymmetry increased with both gall occurrence and gall size, indicating that galls boosted the stress levels in Ouratea polygyna.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Biotic disturbance; Cecidomyiidae; Leaf asymmetry; Preference prediction; Stress.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000200274
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Gall-inducing insects from Atlantic Forest of Pernambuco, Northeastern Brazil Biota Neotropica
Santos,Jean Carlos; Almeida-Cortez,Jarcilene Silva de; Fernandes,Geraldo Wilson.
An inventory of gall inducing insects and their host plants in the Atlantic forest of Pernambuco, northeastern Brazil is presented. Samples of galls and their host plants were taken in six fragments of Atlantic forest. One hundred thirty-six different morphotypes of insect galls on 79 host plant species belonging to 35 plant families and 53 genera were recorded. The host plant families most attacked by galling insects were: Lecythidaceae, Myrtaceae, and Nyctaginaceae. The most frequent galling taxa were Diptera of the Cecidomyiidae family (95%), followed by Lepidoptera and Coleoptera. Galls occurred most frequently on leaves and stems, had globoid and elliptical shapes, green color and absence of trichomes on the external walls. The data indicate an...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversity; Cecidomyiidae; Host plants; Insect galls; Herbivory.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000300020
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Photosynthesis and antioxidant activity in Jatropha curcas L. under salt stress Braz. J. Plant Physiol.
Campos,Mariana Lins de Oliveira; Hsie,Bety Shiue de; Granja,João Antônio de Almeida; Correia,Rafaela Moura; Almeida-Cortez,Jarcilene Silva de; Pompelli,Marcelo Francisco.
Biodiesel is an alternative to petroleum diesel fuel. It is a renewable, biodegradable, and nontoxic biofuel. Interest in the production of biodiesel from Jatropha curcas L. seeds has increased in recent years, but the ability of J. curcas to grow in salt-prone areas, such as the Caatinga semiarid region, has received considerably meager attention. The aim of this study was to identify the main physiological processes that can elucidate the pattern of responses of J. curcas irrigated with saline water, which commonly occurs in the semiarid Caatinga region. This study measured the activity of the antioxidant enzymes involved in the scavenging of reactive oxygen species, which include catalase (CAT) and ascorbate peroxidase (APX), as well as malondialdehyde...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiesel; CAT and APX activities; Euphorbiaceae; H2O2 and MDA contents; Salinity.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202012000100008
Registros recuperados: 4
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