Field Evaluation of Organophosphorus Insecticides, Chlorpyrifos and Fungal Bio-Pesticides, Beauveria bassiana Towards the Sugar Beet Moth Scrobipalpa ocellatella (Lepidoptera: Gelechiidae) and Studying their Effect on the Population Size of the Associated Arthropod Predators in the Egyptian Sugar Beet Fields. [PDF]
The sugar beet productions are generally threatened by the sugar beet moth Scrobipalpa ocellatella causing enormous yield loss. The current study was done to evaluate the effectiveness of one of the traditional insecticides (Chlorpyrifos) and the fungal ...
E. Refaei +2 more
doaj +1 more source
SOME REACTIONS ON 5-PHENYL-1, 3, 4-OXA(THIA)DIAZOLE-2-THIONES [PDF]
Reacting 5-phenyl-1, 3, 4-oxa(thia)diazole-2(3H)-thiones 1 with formaldehyde afforded the corresponding 3-hydroxmethyl derivatives 2 which on condensation with DEM and/or EAA gave 3 and 4, respectively.
A.A. EL-BARBARY, H.H. EL-NAGGAR
doaj +1 more source
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
STUDIES ON SOME 1, 3, 4-OXA(THIA)DIAZOLE DERIVATIVES [PDF]
Fusion of 2-chloro-5- phenyl- 1,3,4-oxa(thia)diazoles (1a,b) with anthrax-nilic acid gave the cyclized compounds 3a,b which on thiation afforded 2-phenyl-1-oxa(thia)-3,3a,9-triaza-cyclopenta[b]naphthalene-4-thiones (4a,b).
A.A. EL-BARBARY, H.H. EL-NAGGAR
doaj +1 more source
Antimicrobial Activities of some Egyptian Bee Honeys against Staphylococcus aureus And Pseudomonas aeruginosa [PDF]
Bee honeys are natural product from the honeybee colonies which has a great nutritional and medicinal effects. In this research, different types of Egyptian bee honey were collected from 3 governorates to study their antibacterial activities related to ...
T. Abd El-Wahab, Asmaa Abd Alla
doaj +1 more source
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
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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
Study of the toxic effect of insecticides on the honey bee: methodological recommendations
Goal. Improving the methodology for assessing the toxicity and potential safety of insecticides for the honey bee. Methods of determining the toxicity of insecticides for bees — laboratory and field.
O. Vlasova, M. Sekun, M. Zatserklyana
doaj +1 more source
Technical efficiency of insecticides against Helicoverpa armigera Hübner caterpillars in corn crops
Goal. To establish the effectiveness of the use of modern insecticides in corn crops against the cotton bollworm. Methods. Determination of the technical efficiency of insecticides was carried out in field conditions.
Yu. Liaska
doaj +1 more source
Cyanide as an Insecticide [PDF]
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Woglum, R. S. (Russell Sage) +1 more
openaire +1 more source

