Results 1 to 10 of about 18,574 (298)

Phytohormones in Japanese Mugwort Gall Induction by a Gall-Inducing Gall Midge. [PDF]

open access: yesBioscience, Biotechnology and Biochemistry, 2013
A variety of insect species induce galls on host plants. Liquid chromatographic/tandem mass spectrometric analyses showed that a gall midge (Rhopalomyia yomogicola) that induces galls on Artemisia princeps contained high levels of indole-3-acetic acid and cytokinins. The gall midge larvae also synthesized indole-3-acetic acid from tryptophan.
Koichi Okada   +2 more
exaly   +3 more sources

Phytophagous gall midges (Diptera, Cecidomyiidae) of Dagestan: fauna, biology and distribution

open access: yesЮг России: экология, развитие, 2022
Aim. Based on original and bibliographic data, to compile a review of the fauna of gall midges in Dagestan, Russia, including information about host plants, gall formation, life cycles and distribution.Materials and Methods.
Z. A. Fedotova   +3 more
doaj   +1 more source

Divergent regulation of auxin responsive genes in root-knot and cyst nematodes feeding sites formed in Arabidopsis

open access: yesFrontiers in Plant Science, 2023
Cysts (CNs) and root-knot nematodes (RKNs) induce specialized feeding cells, syncytia, and giant cells (GCs), respectively, within plant roots. The plant tissues around the GCs usually by respond forming a root swelling called a gall that contains the ...
Patricia Abril-Urias   +16 more
doaj   +1 more source

Primary Screening of Microorganisms against Meloidogyne hapla (Chitwood, 1949) under the Conditions of Laboratory and Vegetative Tests on Tomato

open access: yesPlants, 2023
Highly adapted obligate endoparasites of the root system, root-knot nematodes (Meloidogyne spp.), cause great damage to agricultural crops. Our research is aimed at the assessment of nematicidal activity and effectiveness of antagonist fungal and ...
Svetlana N. Nekoval   +3 more
doaj   +1 more source

Rainfall increases gall morphological metrics in the Brazilian Cerrado [PDF]

open access: yesActa Botânica Brasílica, 2023
The shape of the galls can be adjusted by factors such as natural enemies and climatic conditions to which the galls are subjected. Studies that evaluate the climatic regime as a possible driver of the morphology of galls are scarce and do not consider ...
Gabriela Bomfim Dias Campos   +3 more
doaj   +1 more source

A revised description of Psyllopsis repens Loginova, 1963 (Hemiptera: Psylloidea: Psyllidae), with first records from Europe [PDF]

open access: yesArchives of Biological Sciences, 2011
Psyllopsis repens Loginova, 1963 (Hemiptera: Psylloidea: Psyllidae: Diaphorininae) is recorded for the first time from Europe from two localities within the city of Belgrade in Serbia.
Malenovský I.   +1 more
doaj   +1 more source

Hidden Diversity—A New Speciose Gall Midge Genus (Diptera: Cecidomyiidae) Associated with Succulent Aizoaceae in South Africa

open access: yesInsects, 2022
Aizoaceae (Caryophyllales) constitute one of the major floral components of the unique Greater Cape Floristic Region (GCFR), with more than 1700 species and 70% endemism.
Netta Dorchin   +4 more
doaj   +1 more source

The Diversity of Bacteria Associated with the Invasive Gall Wasp Dryocosmus kuriphilus, Its Galls and a Specialist Parasitoid on Chestnuts

open access: yesInsects, 2022
Dryocosmus kuriphilus (Hymenoptera: Cynipidae) induces galls on chestnut trees, which results in massive yield losses worldwide. Torymus sinensis (Hymenoptera: Torymidae) is a host-specific parasitoid that phenologically synchronizes with D.
Xiaohui Yang   +6 more
doaj   +1 more source

RELATIONSHIP BETWEEN YIELD POTENTIAL AND PERCENTAGE YIELD DECLINE CAUSED BY THE ROOT-KNOT NEMATODE, Meloidogyne javanica FOR SOME SUGAR BEET VARIETIES SOWN IN WEST NUBARIYA REGION [PDF]

open access: yesJournal of Plant Production, 2012
Four experiments were carried out in West Nubariya region ; two of them were field trials and the other two were outdoor pots trials throughout seasons of 2009/ 2010 and 2010/ 2011 that to evaluate a collection of M.
M. Aly, K. Agami, I. Gohar
doaj   +1 more source

Metabolite Variation between Nematode and Bacterial Seed Galls in Comparison to Healthy Seeds of Ryegrass Using Direct Immersion Solid-Phase Microextraction (DI-SPME) Coupled with GC-MS

open access: yesMolecules, 2023
Annual ryegrass toxicity (ARGT) is an often-fatal poisoning of livestock that consume annual ryegrass infected by the bacterium Rathayibacter toxicus. This bacterium is carried into the ryegrass by a nematode, Anguina funesta, and produces toxins within ...
Pushpendra Koli   +6 more
doaj   +1 more source

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