Results 11 to 20 of about 106,931 (268)
Weed Management in Ridge Tillage Systems—A Review
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
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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
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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
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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
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Cytogeography of Naturalized Solidago canadensis Populations in Europe
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
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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
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Occurrence pattern and morphological polymorphism of Chinese weedy rice
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
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A metaphor for epidemiology: The sea of person time
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
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Commentary: On the reliability of causal claims
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
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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
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