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Now showing items 41-46 of 46
Biopesticidal Extractives and Compounds from Warburgia Ugandensis against Maize Weevil (Sitophilus zeamais)
(Bentham Science Publishers, 2015)
Agricultural production is constrained by insect pests, which cause serious post-harvest losses of up to 43% in developing countries. Maize weevil (Sitophilus zeamais Motschulsky.) is one of the most destructive pests of ...
Bioactive Constituents of Conyza floribunda
(Medwell Journals, 2010)
The study describes the antibacterial and antifungal effects of both CH2Cl2 and MeOH crude extracts, collected fractions and pure isolates of Conzya floribunda. The antimicrobial activity tests were carried out using agar ...
A New Sterol Diglycoside from Conyza floribunda
(The South African Journal of Chemistry, 2009)
Chemical investigation of CH2Cl2 and MeOH extracts of Conyza floribunda have led to the isolation of (24S)-ethylcholesta-5, 22E, 25-trien-3-O-glucosyl (1” 4’)-rhamnoside (1), (24S)-ethylcholesta-5,25-dien-3-O- -glucoside ...
A Review of Insecticidal Plant Extractsand Compoundsfor Stored Maize Protection
(IOSR Journal of Applied Chemistry (IOSR-JAC) Volume 14, Issue 10 Ser. I (October 2021), PP 23-37, 2021)
Insect pests cause significant losses to maize grains both in the fieldsand in storage. Maize weevil (Sitophilus zeamais) and larger grain borer (Prostephanus truncatus) are among the most destructive pests of maize in ...
Bioactive carbazole alkaloids from Alysicarpus ovalifolius (Schumach)
(CrossMark, 2015)
Phytochemical and biological evaluation of the stem bark of Alysicarpus ovalifolius led to the isolation of three carbazole alkaloids identified as mohanimbine (1), koenimbine (2) and koenidine (3) along with quercetin ...
Triterpenes from Elaeodendron schweinfurthianum and their Antimicrobial Activities against Crop Pathogens
(Scientific & Academic Publishing, 2017)
Phytochemical evaluation of Elaeodendron schweinfurthianum (Loes) extracts led to the isolation of nine compounds which were identified as 3-oxofriedelane (1), 3α-hydroxyfriedelane (2), 3-oxo-29-hydroxyfriedelane (3), ...