Results 71 to 80 of about 7,430 (211)

Elevation reverses the effects of forest structure on folivory and leaf asymmetry

Functional Ecology, Volume 40, Issue 4, Page 1061-1073, April 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Centuries of timber production have homogenized many forests by reducing variation in canopy density and deadwood availability, with far‐reaching consequences for biodiversity and trophic interactions.
Soumen Mallick, Clara Wild, Adèle Kieffer, Jorge Salvador Torres Pineda, Kerstin Pierick, Julia Rothacher, Orsi Decker, Ludwig Lettenmaier, Oliver Mitesser, Nico Eisenhauer, Akira S. Mori, Christian Ammer, Bernhard Schuldt, Jörg Müller   +13 more
wiley   +1 more source

Anatomical structure of moss leaves and their photosynthetic activity

Acta Societatis Botanicorum Poloniae, 2014
The photosynthetic activity of the leaf area unit increases depending on the degree of differentiation of the anatomical structure of the leaves of six chosen moss species. There is a correlation between the leaf area and the degree of differentiation of
Jan Krupa
doaj   +1 more source

Abnormal Accumulation of Sugars and Phenolics in Tobacco Roots Expressing the Agrobacterium T-6b Oncogene and the Role of These Compounds in 6b-Induced Growth

Molecular Plant-Microbe Interactions, 2007
The Agrobacterium T-DNA oncogene 6b induces tumors and modifies the growth of transgenic plants by an unknown mechanism. We have investigated changes in roots of tobacco seedlings that express a dexamethasone-inducible T-6b (dex-T-6b) gene.
Bernadette Clément, Jonathan Perot, Pierrette Geoffroy, Michel Legrand, Jerzy Zon, Léon Otten   +5 more
doaj   +1 more source

Grape crown-gall investigations

, 2011
Bulletin containing the results of an experiment to determine the resistance of varieties of European grapes grown in the Rio Grande Valley in New Mexico to crown-gall ...
García, Fabián; Rigney, Joseph Wheeler;
core  

How Close are We to Crown Gall-Free Nursery Stock?

, 2012
Dr. Tom Burr's laboratory is developing improved diagnostic tests for Agrobacterium vitis, causal agent of crown gall, and screening shoot-tip cultured vines for inclusion in the Foundation Plant Service's new foundation vineyard near Davis, CA.
Burr, Tom, Martinson, Timothy E.
core  

Deciphering the Key Players of the Bacterial Microbiota Associated with Aerial Crown Gall Tumors on Rhododendron: Insights into the Gallobiome

Phytobiomes Journal
Tumorigenic agrobacteria are widespread plant pathogens causing crown gall and cane gall diseases in various agricultural crops. These pathogens genetically transform the host plant and thus form an ecological niche (galls) in which specific metabolites (
Nemanja Kuzmanović, Joseph Nesme, Jacqueline Wolf, Meina Neumann-Schaal, Jörn Petersen, Gabriela Fernandez-Gnecco, Cathrin Spröer, Boyke Bunk, Jörg Overmann, Søren Johannes Sørensen, Elke Idczak, Kornelia Smalla   +11 more
doaj   +1 more source

Expression of a crown gall biological control phenotype in an avirulent strain of Agrobacterium vitis by addition of the trifolitoxin production and resistance genes

BMC Biotechnology, 2002
Background Agrobacterium vitis is a causal agent of crown-gall disease. Trifolitoxin (TFX) is a peptide antibiotic active only against members of a specific group of α-proteobacteria that includes Agrobacterium and its close relatives. The ability of TFX
Triplett Eric W, Herlache Thomas C
doaj   +1 more source

Spatial distribution of Cynips quercusfolii (Hymenoptera: Cynipidae) galls on leaves and within the crowns of oak trees

European Journal of Entomology, 2013
The factors that affect oviposition and consequently spatial distribution of the galls of many gall makers are poorly understood. Knowledge of these factors could result in a better understanding of the mechanisms that initiate and regulate the ...
Marian J. GIERTYCH, Andrzej M. JAGODZIŃSKI, Piotr KAROLEWSKI   +2 more
doaj   +1 more source

The effect of crown gall upon a young apple orchard

, 2017
This bulletin contains a record of progress in a study of the effect of crown gall upon an apple orchard from the time it is set out until it becomes of bearing age. The relative influence of various types of galls upon the annual growth of the trees has
Melhus, I., Greene, Laurenz
core  

Prevention of plant crown gall tumor development by the anti-malarial artesunate of Artemisia annua

Journal für Kulturpflanzen, 2009
The antimalarial drug artesunate, a sesquiterpene trioxane lactone derivative of artemisinin from Artemisia annua L., is known for its extraordinary inhibitory effects on plasmodia and trematodes and also for suppressing the proliferation of human tumor ...
Cornelia I. Ullrich, Monika von Eitzen-Ritter, Annemarie Jockel, Thomas Efferth   +3 more
doaj   +1 more source