Results 31 to 40 of about 124,018 (252)

Effect of photoperiod and host distribution on the horizontal transmission of Isaria fumosorosea (Hypocreales: Cordycipitaceae) in greenhouse whitefly assessed using a novel model bioassay [PDF]

, 2010
A model bioassay was used to evaluate the epizootic potential and determine the horizontal transmission efficiency of Isaria fumosorosea Trinidadian strains against Trialeurodes vaporariorum pharate adults under optimum conditions (25±0.5°C, ~100% RH ...
Simmonds, M.S.J., Queeley, G.L., Avery, P.B., Monique S.J. Simmonds, Gilbert L. Queeley, Jane Faull, Pasco B. Avery, Nicklin, Jane   +7 more
core   +1 more source

Bioassay-guided fractionation protocol for determining novel bioactive compounds in selected Australian flora

, 2022
A large variety of unique and distinct flora of Australia have developed exceptional survival methods and phytochemicals and hence may provide a significant avenue for new drug discovery.
Holly Hosking (9805394), Mani Naiker (9822011), Paul Neilsen (18337050), Janice Mani (9815900), Kerry Walsh (9843221), Joel Johnson (9808013)   +5 more
core   +1 more source

Development of spiro-3-indolin-2-one containing compounds of antiproliferative and anti-SARS-CoV-2 properties

Scientific Reports, 2022
A series of 1″-(alkylsulfonyl)-dispiro[indoline-3,2′-pyrrolidine-3′,3″-piperidine]-2,4″-diones 6a‒o has been synthesized through regioselective multi-component azomethine dipolar cycloaddition reaction of 1-(alkylsulfonyl)-3,5-bis(ylidene)-piperidin-4 ...
Nehmedo G. Fawazy, Siva S. Panda, Ahmed Mostafa, Benson M. Kariuki, Mohamed S. Bekheit, Yassmin Moatasim, Omnia Kutkat, Walid Fayad, May A. El-Manawaty, Ahmed A. F. Soliman, Riham A. El-Shiekh, Aladdin M. Srour, Reham F. Barghash, Adel S. Girgis   +13 more
doaj   +1 more source

Efficacy of Entomopathogenic Fungal Formulations against Elasmolomus pallens (Dallas) (Hemiptera: Rhyparochromidae) and Their Extracellular Enzymatic Activities

Toxins, 2022
Elasmolomus pallens are post-harvest insect pests of peanuts that are becoming resistant to chemical insecticides. In this, we study evaluated the effect of conidial formulations on entomopathogenic fungi against E. pallens to reduce the adverse effects.
Fredrick Fidelis Umaru, Khanom Simarani
doaj   +1 more source

PROCESSING OF CRUDE MINERAL OILS AS EMULSIFABLE CONCENTRATES FORMULATION TO EVALUATE THEIR PHYSICAL PROPERTIES AND PESTICIDAL EFFICIENCY [PDF]

Journal of Plant Protection and Pathology, 2011
Three trade mineral oils B. W and Y were formulated as emulsifable concentrates in percentages of 94, 95 and 85, respectively.  The physical properties of the mineral oils used indicated that, Y 85% EC mineral oil was the best one because it was more ...
Shereifa El-Shereif, Y. El-Shiekh
doaj   +1 more source

Maize Apoplastic Fluid Bacteria Alter Feeding Characteristics of Herbivore (Spodoptera frugiperda) in Maize

Microorganisms, 2022
Maize is an important cereal crop which is severely affected by Spodoptera frugiperda. The study aims to identify endophytic bacteria of maize root and leaf apoplastic fluid with bioprotective traits against S.
Sellappan Ranjith, Thangavel Kalaiselvi, Muruganagounder Muthusami, Uthandi Sivakumar   +3 more
doaj   +1 more source

Chemical Composition, Antioxidant and Antimicrobial Activity of Raspberry, Blackberry and Raspberry-Blackberry Hybrid Leaf Buds

Molecules, 2021
In our investigation, the chemical composition and bioactive potential of leaf buds of raspberry, blackberry, and a raspberry-blackberry hybrid were determined.
Anna Krzepiłko, Roman Prażak, Agata Święciło   +2 more
doaj   +1 more source

Bioassay-guided isolation and in silico study of antihyperlipidemic compounds from Onosma hispidum Wall

, 2023
Isolation of bioactive compounds from plants and their therapeutic evaluation is crucial in the pursuit of novel phytochemicals and contributes an indispensable role in drug discovery and design.
Bushra Saleem (12848457), Fariha Imtiaz (12848460), Sana Muzaffar (16792400), Hamid Saeed (2504110), Abrar Ahmed (786961), Muhammad Islam (822884)   +5 more
core   +1 more source

Evaluation of the South American gastropod Heleobia parchappii as test organism in cadmium toxicity bioassays

Ecología Austral, 2023
Gastropods are abundant key components in freshwater ecosystems, many of which are affected by anthropogenic activities. The genus Heleobia is widely distributed across Argentina, and the native Heleobia parchappii is very common in the Pampean Region ...
Cecilia L. Achiorno, Graciela Minardi, Marcela I. Schneider, Marilina Fogel   +3 more
doaj   +1 more source

The role of detoxifying enzymes in the resistance of the cowpea aphid (Aphis craccivora Koch) to thiamethoxam

Journal of Plant Protection Research, 2016
The cowpea aphid (Aphis craccivora Koch) is considered a serious insect pest attacking several crops. We carried out biochemical studies to elucidate the role of the metabolising enzymes in conferring resistance to thiamethoxam, in two strains (resistant
Abdallah Ibrahim Saleh, Abou-Yousef Hala Mohamed, Fouad Eman Atef, Kandil Mohammed Abd El-Hady   +3 more
doaj   +1 more source