Results 21 to 30 of about 3,485,669 (302)

Metal and metalloid foliar uptake by various plant species exposed to atmospheric industrial fallout: Mechanisms involved for lead [PDF]

open access: yes, 2012
Fine and ultrafine metallic particulatematters (PMs) are emitted frommetallurgic activities in peri-urban zones into the atmosphere and can be deposited in terrestrial ecosystems.
Sobanska, Sophie   +14 more
core   +1 more source

Surface Density of the Spongy and Palisade Parenchyma Layers of Leaves Extracted From Wideband Ultrasonic Resonance Spectra

open access: yesFrontiers in Plant Science, 2020
The wide band and air-coupled ultrasonic resonant spectroscopy together with a modified Simulated Annealing metaheuristic algorithm and a 1D layered acoustic-model are used to resolve the structure of plant leaves.
T. E. G. Alvarez-Arenas   +5 more
doaj   +1 more source

Acetaldehyde and Ethanol Biosynthesis in Leaves of Plants [PDF]

open access: yesPlant Physiology, 1987
Leaves of terrestrial plants are aerobic organs, and are not usually considered to possess the enzymes necessary for biosynthesis of ethanol, a product of anaerobic fermentation. We examined the ability of leaves of a number of plant species to produce acetaldehyde and ethanol anaerobically, by incubating detached leaves in N(2) and measuring headspace
T W, Kimmerer, R C, Macdonald
openaire   +2 more sources

Induction Kinetics of Photosystem I-Activated P700 Oxidation in Plant Leaves and Their Dependence on Pre-Energization [PDF]

open access: yes, 2010
Absorbance changes ¿A 810 were measured in pea (Pisum sativum L., cv. Premium) leaves to track redox transients of chlorophyll P700 during and after irradiation with far red (FR) light under various preillumination conditions in the absence and presence ...
Bulychev, A.A., Vredenberg, W.J.
core   +1 more source

XvGoIS, a galactinol synthase is transcriptionally upregulated under water deficit : the role of raffinosaccharides in abiotic stress tolerance in the resurrection plant Xerophyta viscosa (Baker) [PDF]

open access: yes, 2005
Includes bibliographical references (leaves 84-102).As part of an ongoing project to genetically manipulate maize for increased abiotic stress tolerance, we have isolated and identified a number of genes from the resurrection plant Xerophyta viscosa ...
Peters, Shaun W
core   +1 more source

Effect of Quarrying Dust on Leaves Weight and Plants Chlorophyll Content of Pawpaw (Carica papaya), Cassava (Manihot esculenta) and Okra (Abelmoschus esculentus) in Akamkpa, Cross River State, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2023
Accumulation of dust and other particulate matter on crops could affect photosynthesis, respiration, transpiration and allow the penetration of phytotoxic gaseous pollutants, hence the agricultural crops show stunted growth, minimum leaf area, less ...
E. A. Enoh, P. A. Ogwo, E. A. Ubuoh
doaj   +1 more source

Investigating the mechanisms of desiccation tolerance in the resurrection plant, myrothamnus flabellifolius (WELW) [PDF]

open access: yes, 1999
Biliography : leaves 162-184.Resurrection plants, including Myrothamnus flabellifolius, grow in shallow soil upon rocky outcrops where they experience regular periods of water stress. Associated with this is light stress.
Koonjul, Priyum K
core   +1 more source

A Portable Tool for Spectral Analysis of Plant Leaves That Incorporates a Multichannel Detector to Enable Faster Data Capture

open access: yesInstruments
In this study, a novel system was designed to enhance the efficiency of data acquisition in a portable and compact instrument dedicated to the spectral analysis of various surfaces, including plant leaves, and materials requiring characterization within ...
Juan Botero-Valencia   +3 more
doaj   +1 more source

Diuretic activity of phytosubstances from vaccinium vitis-idaea leaves

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2018
The purpose of the work was to study the diuretic activity of phytosubstances from Vaccinium vitis-idaea leaves. Materials and methods. The objects of the study were 13 phytosubstanses, obtained from the leaves of Vaccinium vitis-idaea.
K. V. Tsemenko   +3 more
doaj   +1 more source

EFFECT OF ORGANIC AND MINERAL FERTILIZERS ON PRODUCTIVITY AND QUALITY OF POTATO: 1- VEGETATIVE GROWTH. [PDF]

open access: yesJournal of Plant Production, 2010
This study was conducted during the two successive winter seasons of 2003/2004 and 2004/2005 at Basandela village, Belqas, Dakahlia Governorate, Egypt. The objective of this experiment was to study the response of potato (Solanum tuberosum L. cv. Spunta)
M. Ali   +3 more
doaj   +1 more source

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