ABSTRACT Genetic variation and variation in aggressiveness in Phialophora gregata f. sp. sojae, the cause of brown stem rot of soybean, was characterized in a sample of 209 isolates from the north-central region. The isolates were collected from soybean plants without regard to symptoms from randomly selected soybean fields. Seven genotypes (A1, A2, A4, A5, A6, M1, and M2) were distinguished ba...

In 2019 and 2020, charcoal rot symptoms were observed on lentil plants in fields located the Northwest of Algeria (Mascara Tiaret Relizane). Based morphological molecular identification using internal transcribed spacer (ITS) sequence analyses, two representative isolates identified as Macrophomina pseudophaseolina. Pathogenicity tests performed Koch’s postulates verified fulfilled. To our know...

ABSTRACT Cowpea [Vigna unguiculata (L.) Walp.] is an important socioeconomic crop in Brazil, mainly the Northeast and more recently Midwest of Brazil. Charcoal rot caused by Macrophomina phaseolina (Tassi) Goid, disease semiarid regions, where edaphoclimatic conditions are favorable to development disease. The aim this study was evaluate response 100 cowpea lines two isolates M. phaseolina. exp...

objective(s): mesenchyme is a type of undifferentiated loose connective tissue that is derived mostly from mesoderm. recently, mesenchymal stem cells (mscs), as adult stem cells (ascs) able to divide into a variety of different cells, are of utmost importance for stem cell research. in this research, ability of the liver extract to induce differentiation of rat derived omentum tissue mesenchyma...

Groundnut (Arachis hypogaea L.) is an important oilseed crop and the economic production of groundnut constrained by soil-borne diseases. Stem rot, caused necrotrophic fungus Sclerotium rolfsii, was most common disease in groundnut. A roving survey conducted major growing areas Telangana during kharif 2019 rabi 2019-20 to collect a preliminary data incidence level pattern prevalence stem rot di...

on the basis of preliminary in vitro screening tests, a competent strain of pantoea agglomerans ena1 (p. agg. ena1) recovered from soybean nodule was evaluated for its antagonistic activity against macrophomina phaseolina causal agent of charcoal rot of soybean. the results of various in vitro assays showed that p. agg. ena1 is capable of exerting strong antagonistic effect against m. phaseolin...

metallic silver nanoparticles have been reduced from silver nitrate by employing the extracellular enzymatic machinery of edible white button mushroom (agaricus bisporus). the physical properties of these particles, size and shapes have been determined using techniques like tem, ftir and xrd and were reported in our earlier report. but, what stands of paramount importance in the present context...

In vitro studies with Trichoderma spp., soil-borne fungal antagonists, demonstrated that a number of isolates produced volatile and non-volatile metabolites capable of inhibiting the growth and sporulation of several soil-borne plant pathogenic fungi. Microscopic observations showed that T. harzianm and T. viride, isolated from soil samples from Ahwaz and Karaj, adversely affected the myce...