Boron-resistant fungi were isolated from the wastewater of a boron mine in Turkey. Boron removal efficiencies of Penicillium crustosum and Rhodotorula mucilaginosa were detected in different media compositions. Minimal Salt Medium (MSM) and two different waste media containing molasses (WM-1) or whey + molasses (WM-2) were tested to make this process cost effective when scaled up. Both isolates achieved high boron removal yields at the highest boron concentrations tested in MSM and WM-1. The maximum boron removal yield by P. crustosum was 45.68% at 33.95 mg l−1 initial boron concentration in MSM, and was 38.97% at 42.76 mg l−1 boron for R. mucilaginosa, which seemed to offer an economically feasible method of removing boron from the effluents.
Forget laughter: Biodiversity could be the best medicine, at least when it comes to keeping plants healthy.
Scientists have long been intrigued by how the number of plant species in an area affects plants’ risk of getting slammed by disease. In general, viewpoints boil down to two competing theories. The first, known as amplification, contends that the more plant species there are at a site, the more hosts there will be, and so the more disease there will be as well. The other, known as dilution, suggests...
Western flower thrips (WFT) generally pupate in the soil. This laboratory study was designed to examine the compatibility of soil-dwelling predators with microbial biocontrol agents and assess their combined efficacy against pupating WFT, with a view to their integrated use. The following commercially available biocontrol agents were evaluated: a rove beetle, Dalotia coriaria (Kraatz); predatory mites, Stratiolaelaps scimitus (Womersley) and Gaeolaelaps gillespiei Beaulieu; entomopathogenic fungi, Metarhizium...
Below the soil of a diverse grassland area you’ll find a jungle of plant roots. It is also home to a wide variety of bacteria and fungi, of which some are pathogenic and looking for a host in the tangle of roots. It appears that this is much more difficult when there is a larger diversity of plants as the host plant is more able to hide among the varied crowd. Greater plant diversity therefore results in fewer diseased plants and more productivity. Personal professor in Plant Ecology Liesje Mommer will be...
1. INTRODUCTIONStrategically eliminating damage caused by fungus requires precise identification of the fungal species present (using either conventional or molecular diagnostic techniques). The first step in performing molecular diagnostics on wood-decay fungi is to obtain analyzable fungal DNA.Five commercially available kits and one CTAB method were tested and analyzed in order to determine effective methods for extracting DNA from field samples. The manual NucleoSpin® Plant II Kit (Macherey-Nagel, MN)...
In order to evaluate the effect of the Arbuscular mycorhizal fungi (AMF) on Calendula officinalis, an experimental has been carried out in term of salinity stress in totally randomized Factorials in shahrood. The samples were cultivated in tested sandy loam soil. This experiment were conducted in hub seedling (pot) method with four salinity treatment in 1.5-3.5-5.5-7.5 (dSm-1) concentration, two level with and without mycorrhiza in 4 trial. The Fl Calendula seed were cultivated with mycorhizal fungi simultaneously...
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