The present study was designed to evaluate the antimicrobial activity of leaf of Pithecellobium dulce against twenty pathogenic microorganisms. Leaf extracts of P. dulce were prepared in distilled water and organic solvents, viz., benzene, chloroform, acetone and methanol in increasing and decreasing order of solvent polarity. Agar well diffusion technique was used to assess the antimicrobial a...

Seed as a highly-valuable resource is preserved in collections for many years. Although the seed kept under optimal conditions, monitoring of germination and presence fungi during preservation great importance. Therefore aim this paper to examine health status 43 onion accessions timespan 15 years Institute Field Vegetable Crops collection. Germi?nation samples varied from 7-93%. The collection...

oscillating magnetic field pulses on the survival of certain selected pathogenic microorganisms of potatoes. The less resistant of the tested microorganisms proved to be the Ervinia carotovora and Streptomyces scabies bacteria. The tested fungus Alternaria solani proved to be the most resistant. When treating bacteria, it was found that their number was reduced by over 3 orders of magnitude, an...

Early blight (EB) is a destructive disease affecting potato and tomato plants in Russia, caused by heterogeneous group of plant pathogenic Alternaria fungi. The current species delimitation sect. Porri with medium to large conidia long (filamentous) beak based on molecular data. In this study, the ITS, GAPDH, RPB2, TEF1, Alt 1 gene regions were analyzed 41 large-spored isolates obtained from di...

An allosecurinine alkaloid was assayed against spore germination of some saprophytic and pathogenic fungi e.g., Alternaria alternata, A. solani, A. brassicicola, A. brassicae, Curvularia lunata, C. pallescens, C. maculans, Curvularia species, Colletotrichum species, C. musae, C. gloeosporioides, Erysiphe pisi, Fusarium udum, Helminthosporium echinoclova, H. pennisetti, H. spiciferum, and Hetero...

1-Corydalmine,an alkaloid isolated from roots of Corydalis chaerophylla inhibited spore germination of some plant pathogenic as well as saprophytic fungi e.g. Alternaria brassicae, A. brassicicola, A. solani, Curvularia lunata, C. maculans, C. sp., C. pallscens, Erysiphe pisi, Fusarium udum, Helminthosporium species,H. penniseti and a Heterosporium species. 1-Corydalmine significantly inhibited...

Alternaria solani was a potential leaf spot pathogen of Azadirachta indica L, was isolated from diseased Azadirachta indica L leaves from Nashik and used for the present study. Pathogen was grown on the Czapek-Dox liquid medium substituting or adding different carbon, nitrogen to study phenol production. Considerable variation in the production of total phenol was observed when different carbon...