295 publication(s) trouvée(s)
Article scientifique
Comparative study between biological and chemical control programs of certain sweet pepper pests in greenhouses
Abstract Sweet pepper is an important vegetable crop in Egypt. It is cultivated for local consumption and exportation. The crop …
Article scientifique
Field evaluation of botanicals extracts for suppressing the mango scale insect, Aulacaspis tubercularis (Newstead) (Hemiptera: Diaspididae)
Abstract Insecticidal property of aloe, ginger, garlic, and hot pepper extracts were evaluated in the form of alone spray or …
Article scientifique
Virulence and proteolytic activity of entomopathogenic fungi against the two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae)
Abstract The virulence and proteolytic activity of some entomopathogenic fungi isolates, viz., Metarhizium anisopliae, Beauveria bassiana, Verticillium lecanii, and Trichoderma …
Article scientifique
Potential exploitation of Bacillus flexus biofilm against the cowpea weevil, Callosobruchus maculatus (F.) (Coleoptera: Bruchidae)
Abstract The present study aimed to investigate new insecticidal compounds used as environmentally safe alternative to synthetic insecticides. A laboratory …
Article scientifique
Aphid’s parasitoid fauna and their trophic associations in the oasis ecosystems of Zibans (Biskra, Algeria)
Abstract A study on the fauna of aphids’ parasitoids was carried out in the oasis ecosystems of the Ziban in …
Article scientifique
Increasing the efficacy of the cotton leaf worm Spodoptera littoralis nucleopolyhedrosis virus using certain essential oils
Abstract Baculoviruses inactivation by UV sunlight is considered one of the most important factors that reduce their potential use in …
Article scientifique
Effect of different plant extracts and nanoparticles on Thrips tabaci (Lind.) (Thysanoptera: Thripidae) under field conditions and their allelopathic potential on the onion, Allium cepa L. using bioassays and RAPD analysis
Abstract The present study was conducted to investigate the toxicity of Aerosil 200® (fumed silica nanoparticles) and leaf extracts of …
Article scientifique
Evaluation of a Bacillus thuringiensis isolate-based formulation against the pod borer, Helicoverpa armigera Hübner (Lepidoptera: Noctuidae)
Abstract The present study focuses on the evaluation of the potential of a Tunisian Bacillus thuringiensis (Bt) isolate named Hr1, …
Article scientifique
Morphological characteristics of local entomopathogenic protozoan strains isolated from insect cadavers of certain stored-grain pests in Egypt
Abstract The present study has documented, for the first time in Egypt, the natural occurrence of four entomopathogenic protozoans (EPP) …
Article scientifique
Antagonistic activity and molecular characterization of biological control agent Trichoderma harzianum from Saudi Arabia
Abstract Trichodermaharzianum is one of the most commonly used fungal species used in the biological control of plant pathogenic fungi. …
Article scientifique
Molecular disparities among Botrytis species involved in onion umbel blight disease and its management using Bacillus subtilis PHYS7
Abstract A study of molecular variation among Botrytis spp., the causal pathogen of scape and umbel blights of onion, as …
Article scientifique
Management of the Egyptian alfalfa weevil, Hypera brunneipennis (Boheman) (Coleoptera: Curculionidae), in the alfalfa, Medicago sativa L., using the entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin
Abstract Larval and adult populations of the Egyptian alfalfa weevil (EAW) Hypera brunneipennis (Boheman) (Coleoptera: Curculionidae) was monitored after application …
Article scientifique
Productivity, pathogenicity, host range, and spore mass-propagation of local strain of Mattesia sp. isolated from insect cadavers of certain stored grain pests in Egypt
Abstract Average yields of Mattesia spores (spore productivity) had varied from a minimum yield (0.17 × 107 spores) for Laemophloeus …
Article scientifique
Phylogenetic characteristics of novel Bacillus weihenstephanensis and Pseudomonas sp. to desert locust, Schistocerca gregaria Forskål (Orthoptera: Acrididae)
Abstract Thirty bacterial isolates were isolated from the gut contents of diseased/dead locust. Their pathogenicity was tested against 4th instar …
Article scientifique
Insect fauna of pests and their natural enemies inhabiting sorghum-panicles in Egypt
Abstract Sorghum panicles offer a very rich microenvironment for many insect pest species and their natural enemies. Thirty arthropod species …
Article scientifique
Impact of combine releases of the egg parasitoid, Trichogramma euproctidis (Girault) and the entomopathogenic nematode, Heterorhabditis bacteriophora to control Tuta absoluta (Meyrick) in tomato greenhouses in Egypt
Abstract In greenhouses, tomato plants are subject to attack by several pest species. The present study aimed to investigate the …
Article scientifique
Potential activities of Bacillus simplex as a biocontrol agent against root rot of Nigella sativa caused by Fusarium camptoceras
Abstract This study aimed to investigate the impact of two isolates of Bacillus simplex (PHYB1 and PHYB9) for controlling the …
Article scientifique
Efficiency of Bacillus thuringiensis strains and their Cry proteins against the Red Flour Beetle, Tribolium castaneum (Herbst.) (Coleoptera: Tenebrionidae)
Bacillus thuringiensis ( Bt ) is one of the used bioagents in insect pest control. Its toxicity is largely due …
Article scientifique
Management of barley net blotch using Trichoderma asperellum (T34), eugenol, non-traditional compounds and fungicides
Abstract Barley plants (cv. Giza 2000) are infected by Drechslera teres which causes net blotch disease symptoms and yield losses. …
Article scientifique
Cold storage and gamma irradiation of Sitotroga cerealella Olivier eggs (Lepidoptera: Gelechiidae) in relation to the success of parasitism by Trichogramma evanescens Westwood (Hymenoptera: Trichogrammatidae)
Abstract The performance of parasitism by the egg parasitoid, Trichogramma evanescens Westwood (Hymenoptera: Trichogrammatidae) on eggs of Angoumois grain moth, …