Bioassay was conducted with nine botanical extracts at various concentrations viz., azadirachtin 300ppm, 1500ppm, 3000ppm, 10000ppm, neem seed oil 1%, 2%, 3%, extract 5% and dashparniark 4% on Trichogrammatoidea bactrae Nagaraja (Hymenoptera: Trichogrammatidae) in completely randomized design. Assessment of these % parasitization, reduction parasitism adult emergence T. Corcyra eggs done. The r...

Morphological changes of a toxigenic isolate of Aspergillus parasiticus cultured in the presence of aqueous leaf and seed extracts obtained from neem, Azadirachta indica A. Juss (syn. Melia azadirachta L.), a potent inhibitor of aflatoxin biosynthesis, was studied. Mycelial samples obtained from A. parasiticus cultures exposed to an effective concentration of the leaf and seed extracts (50% v/v...

Cosmetics made from either natural or synthetic components are almost in regular use universally many different forms for enhancing the beauty. Azadirachta indica and Nyctanthes arbor-tristis medicinal plants; these plants used traditionally ancient years various herbal systems such as Ayurvedic, Homeopathic Siddha. The dried leaves of have antibacterial, anti-inflammatory analgesic activity. p...

An experiment was carried out in the field laboratory, Department of Entomology, Bangladesh Agricultural University to find out the efficacy of different botanicals and chemical insecticides against rice stem borer during the period from July to December 2013. The treatments included Neem oil, Mahogany oil, combination of Neem and Mahogany oil, Bishkatali leaf extract, Lantana leaf extract, com...

To study the effect of neem extract on the growth and viable count of foodborne and contaminated bacteria and determine its active inhibitors. Different concentrations of methanolic extracts (200 mg/ml, 150 mg/ml, 100 mg/ml, 50 mg/ml and 25 mg/ml) were prepared. One-hundred microliters of standardized test organisms was treated with solvents or extract. The extract was tested against Gram-posit...