Results 1 to 10 of about 127,267 (192)

The Metarhizium anisopliae Strains Expressing dsRNA of the NlCHSA Enhance Virulence to the Brown Planthopper Nilaparvata lugens

open access: yesAgriculture, 2022
Metarhizium anisopliae is a broad-spectrum entomopathogenic fungus with large-scale applications in pest control; however, its slow-killing action is a limiting factor. To enhance fungal virulence, we constructed transgenic M.
Jun Hu   +4 more
doaj   +1 more source

Pathogenicity induced by indigenous Beauveria bassiana isolate in different life stages of the cotton leafworm, Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae) under laboratory conditions

open access: yesEgyptian Journal of Biological Pest Control, 2021
Background The invincible effects of the entomopathogenic fungi (EPF) under appropriate circumstances compensate for the flaws of chemical insecticides in the control programs. Beauveria bassiana is one of the most elaborated EPF of pest control all over
Yasmin Adel Fergani   +1 more
doaj   +1 more source

Disruption of a C69-Family Cysteine Dipeptidase Gene Enhances Heat Shock and UV-B Tolerances in Metarhizium acridum

open access: yesFrontiers in Microbiology, 2020
In fungi, peptidases play a crucial role in adaptability. At present, the roles of peptidases in ultraviolet (UV) and thermal tolerance are still unclear. In this study, a C69-family cysteine dipeptidase of the entomopathogenic fungus Metarhizium acridum,
Juan Li   +11 more
doaj   +1 more source

Phytotoxicity of the combination of some insecticides and fungicides on the ornamental species Petunia sp. [PDF]

open access: yesPoljoprivreda, 2016
In the production of ornamental plants, it is often necessary to combine plant protection products (PPPs) for simultaneous pest control. The use of a combination of PPPs often leads to phytotoxicity.
Renata Bažok, Petra Cenko
doaj   +1 more source

Ethanol Dehydrogenase I Contributes to Growth and Sporulation Under Low Oxygen Condition via Detoxification of Acetaldehyde in Metarhizium acridum

open access: yesFrontiers in Microbiology, 2018
The entomopathogenic fungi encounter hypoxic conditions in both nature and artificial culture. Alcohol dehydrogenases (ADHs) are a group of oxidoreductases that occur in many organisms.
Erhao Zhang   +8 more
doaj   +1 more source

Contribution a l'étude de résidus de produits phytosanitaires acaricides et insecticides dans le raisin

open access: yesOENO One, 1992
Les auteurs rapportent les résultats donnés par la recherche de résidus d'insecticides et d'acaricides dans les raisins du marché, ainsi que lors d'essais de dégradations sur pieds dans des conditions climatiques différentes.
Gilberte Marti-Mestres   +2 more
doaj   +1 more source

On the influence of different host plants and of insecticide treatments on the population development of the western corn rootworm Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae)

open access: yesJulius-Kühn-Archiv, 2014
D. virgifera virgifera is classified as a quarantine pest in Germany, therefore the trials, presented in this paper, were performed in the western part of Romania, where the pest is well established since more than ten years. The field tests were carried
Fora, Ciprian George
doaj   +1 more source

Bayesian spatio-temporal model with INLA for dengue fever risk prediction in Costa Rica [PDF]

open access: yesEnvironmental & Ecological Statistics 2023, 2023
Due to the rapid geographic spread of the Aedes mosquito and the increase in dengue incidence, dengue fever has been an increasing concern for public health authorities in tropical and subtropical countries worldwide. Significant challenges such as climate change, the burden on health systems, and the rise of insecticide resistance highlight the need ...
arxiv   +1 more source

Bioassays and Methodologies for Insecticide Tests with Larvae of Trogoderma granarium (Everts), the Khapra Beetle

open access: yesInsects, 2019
New insecticide treatment options would be beneficial for control programs for Trogoderma granarium Everts, the khapra beetle, in the United States. Two insecticides were evaluated, the Polyzone® formulation of deltamethrin and a formulation of the ...
Frank H. Arthur   +3 more
doaj   +1 more source

Effects of pesticides on Azotobacter chroococcum [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2002
Studied in this paper were the effects of three concentrations of four different pesticides (two herbicides - Ro-Neet and pyramin, one insecticide - lindan and one fungicide - mankogal) on the growth of pure cultures of three Azotobacter chroococcum ...
Mrkovački Nastasija B.   +2 more
doaj   +1 more source

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