Results 11 to 20 of about 52,272 (265)

Host plants determine oviposition preference and larval fitness of tomato leafminer, Phthorimaea absoluta [PDF]

open access: yesFrontiers in Insect Science
Phthorimaea absoluta (Meyrick 1917) (Lepidoptera: Gelechiidae) was accidentally introduced into South Korea in 2024 and is currently distributed throughout the country’s tomato-producing areas.
Tariku Tesfaye Edosa   +5 more
doaj   +2 more sources

Evidence for physical activity guidelines as a public health intervention: efficacy, effectiveness, and harm – a critical policy sciences approach

open access: yesHealth Psychology and Behavioral Medicine, 2016
Background: Evidence for the efficacy of physical activity in conferring health benefits is unequivocal, and this has led national governments to produce guideline recommendations for physical activity levels in their populations.
Mike Weed
doaj   +1 more source

Tenuazonic Acid-Triggered Cell Death Is the Essential Prerequisite for Alternaria alternata (Fr.) Keissler to Infect Successfully Host Ageratina adenophora

open access: yesCells, 2021
The necrotrophic fungus Alternaria alternata contains different pathotypes that produce different mycotoxins. The pathotype Ageratina adenophora secretes the non-host-selective toxin tenuazonic acid (TeA), which can cause necrosis in many plants ...
Jiale Shi   +7 more
doaj   +1 more source

Special issue in honour of Prof. Reto J. Strasser - Action of alamethicin in photosystem II probed by the fast chlorophyll fluorescence rise kinetics and the JIP-test

open access: yesPhotosynthetica, 2020
Alamethicin (AMT) is a linear antimicrobial peptide isolated from fungi Trichoderma viride. To date, the mode of action of AMT in plant cells remains unknown.
W. XIAO   +8 more
doaj   +1 more source

A metaphor for epidemiology: The sea of person time

open access: yesGlobal Epidemiology, 2021
Metaphors have had an important role to play in the theory and practice of epidemiology. Some well-known examples include “black boxes,” the “web of causation,” “shoe-leather epidemiology,” the “ivory tower” and the ubiquitous “gold standard.” Metaphors ...
Douglas L. Weed
doaj   +1 more source

Special issue in honour of Prof. Reto J. Strasser - Effect of AtLFNR1 deficiency on chlorophyll a fluorescence rise kinetics OJIP of Arabidopsis

open access: yesPhotosynthetica, 2020
Leaf-type ferredoxin-NADP(H) oxidoreductase, encoded by AtLFNR1 gene in Arabidopsis, extensively exists in chloroplast stroma and thylakoids and is responsible for the reduction of NADP+ to NADPH in PSI.
Y. GUO   +7 more
doaj   +1 more source

Commentary: On the reliability of causal claims

open access: yesGlobal Epidemiology, 2022
Causal assessments in epidemiology are a complex process due to the many methods involved. The general scientific method lords over the process joined by study designs and statistical methods.
Douglas L. Weed
doaj   +1 more source

Effectiveness of Sowing Methods and Certain Herbicides against Dodder and Aannual Weeds Associated with Flax [PDF]

open access: yesEgyptian Journal of Agricultural Sciences, 2022
     Two field experiments were conducted during 2019/20 and 2020/21 seasons, to evaluate the influence of two sowing methods (broadcasting and drilling) and nine herbicides on dodder (Cuscuta epilinum), annual weeds and the productivity of flax (Linum ...
Aml Elborhamy   +2 more
doaj   +1 more source

Evaluating the allelopathic potentiality of seed powder of two Brassicaceae plants in controlling Orobanche ramosa parasitizing Lycopersicon esculentum Mill. plants

open access: yesBulletin of the National Research Centre, 2019
Background Orobanche ramosa (Broomrape) is an obligate root parasite belonging to Orobanchaceae. It causes a great damage to tomato plants. Several attempts have been done in order to control this parasitic weed.
Raafat Ragheb El-Masry   +4 more
doaj   +1 more source

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