Results 51 to 60 of about 93,766 (302)

Fendioxypyracil, a new and systemic PPO‐inhibiting herbicide for X‐spectrum weed control

open access: yesPest Management Science, EarlyView.
This graphical abstract presents the discovery and synthesis of PPO herbicide structures with a central pyridine core, showing molecular conformations, dose–response inhibition curves for PPO1 and PPO2, and comparative weed and grass control efficacy of fendioxypyracil versus other herbicides in greenhouse and field trials.
Tobias Seiser   +8 more
wiley   +1 more source

Fracciones de plantas medicinales vendidas en plazas de mercado de Bogotá, Colombia

open access: yesActa Biológica Colombiana, 2005
En Bogotá, Colombia, se acude masivamente a las plazas de mercado y se accede a las plantas medicinales a través de los nombres comunes, que son del dominio de los vendedores, y que en muchos casos, no corresponden a la especie medicinal.
Laura Mesa Castellanos
doaj  

Plantas medicinales y predictibilidad de uso en algunas veredas del corregimiento de San Cristóbal (Antioquia), Colombia.

open access: yesActualidades Biológicas, 2016
Durante un periodo de siete meses y con la colaboración de dos conocedores se realizó un registro de plantas medicinales del Corregimiento de San Cristóbal, ejecutándose el inventario de las mismas en tres veredas de la localidad e identificándose un ...
Bladimir Vera-Marín   +1 more
doaj   +1 more source

A study of Antimicrobial Activity, Acute Toxicity and Cytoprotective Effect of a Polyherbal Extract in a Rat Ethanol-HCl Gastric Ulcer Model. [PDF]

open access: yes, 2012
The decoction of the aerial parts of Rhynchosia recinosa (A.Rich.) Bak. [Fabaceae] is used in combination with the stem barks of Ozoroa insignis Del. (Anacardiaceae), Maytenus senegalensis (Lam.) Excell. [Celastraceae] Entada abyssinica Steud. ex A.Rich [
Haule, Emmanuel E   +4 more
core   +1 more source

Trypanocidal and leishmanicidal activity of six limonoids [PDF]

open access: yes, 2020
Six limonoids [kotschyienone A and B (1, 2), 7-deacetylgedunin (3), 7-deacetyl-7-oxogedunin (4), andirobin (5) and methyl angolensate (6)] were investigated for their trypanocidal and leishmanicidal activities using bloodstream forms of Trypanosoma ...
A-E Hay   +30 more
core   +3 more sources

Bacillus thuringiensis and its pest control potential as endophyte

open access: yesPest Management Science, EarlyView.
Bacillus thuringiensis (Bt) systemically colonizes tomato plants as endophyte, inducing midgut damage, fitness reduction and immune suppression in Spodoptera littoralis larvae feeding on Bt‐colonized leaves. The immune suppression enhances the susceptibility to Bt treatments, allowing a synergistic dual use of Bt commercial formulations, by combined ...
Maria Giovanna De Luca   +8 more
wiley   +1 more source

Estudio etnobotánico de las plantas medicinales de San José de Suaita, Suaita (Santander, Colombia)

open access: yesActa Biológica Colombiana, 2005
Se presenta un inventario de las especies vegetales utilizadas con fines medicinales, los componentes culturales en torno al uso medicinal de las plantas registradas y una aproximación al conocimiento de la transmisión de saberes entre generaciones ...
Édgar Moreno Castillo   +1 more
doaj  

Cultivo in vitro da planta medicinal Mana Cadela. [PDF]

open access: yes, 2014
Trabalhos e palestras apresentadod no 40º Congresso Brasileiro de Olericultura; 2º Congresso Ibero-Americano sobre Utilização de Plástico na Agricultura; 1.
CASTRO, E. M. de   +6 more
core  

Antidiabetic and antimicrobial activities of fractions and compounds isolated from Berberis brevissima Jafri and Berberis parkeriana Schneid [PDF]

open access: yes, 2013
Methanol extracts of the roots of B. brevissima and B. parkeriana were examined for antidiabetic and antimicrobial activities. Six compounds i.e berberine, 8-oxo-berberine, dehydrocheilanthifoline, columbamine, jatrorrhizine and glutamic acid were ...
Ali, Saqib   +9 more
core   +1 more source

Determining frequencies of fungicide resistance in Leptosphaeria maculans that render demethylation inhibitor fungicides ineffective in the field

open access: yesPest Management Science, EarlyView.
As little as 1–10% of the population is needed to be resistant for demethylation inhibitor fungicides to be rendered ineffective. Following a single round of selection, the frequency increases by more than 15% with limited fitness penalty detected when no selection is present.
Alec J McCallum   +5 more
wiley   +1 more source

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