Results 11 to 20 of about 106,931 (268)

Weed Management in Ridge Tillage Systems—A Review

open access: yesAgronomy, 2022
Although different modifications of ridge tillage (RT) systems exist in different regions around the world, the positive impacts of RT on crop yields and weed management are quite similar.
Oyebanji Alagbo   +4 more
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

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

A Double Mutation in the ALS Gene Confers a High Level of Resistance to Mesosulfuron-Methyl in Shepherd’s-Purse

open access: yesPlants, 2023
Shepherd’s-purse (Capsella bursa-pastoris), a globally distributed noxious weed species often found in wheat, has evolved resistance to ALS-inhibiting herbicides mainly due to single mutations in the ALS gene.
Huan Lu   +5 more
doaj   +1 more source

Cytogeography of Naturalized Solidago canadensis Populations in Europe

open access: yesPlants, 2023
Autopolyploidization has driven the successful invasion of Solidago canadensis in East Asia. However, it was believed that only diploid S. canadensis invaded Europe, whereas polyploids never did.
Zhongsai Tian   +9 more
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

Occurrence pattern and morphological polymorphism of Chinese weedy rice

open access: yesJournal of Integrative Agriculture, 2023
Rice, the main food crop in China, has been sporadically reported to suffer from weedy rice infestation. However, the overall occurrence and distribution pattern of Chinese weedy rice remains unclear because a systematic survey has not been conducted. In
Hao-quan WANG   +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

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

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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