Browsing 2008. by Title
Now showing items 1-20 of 27
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Characteristics of Bacterial Strains from Pseudomonas Genera Isolated from Diseased Plum Trees
Characteristics of Pseudomonas syringae strains isolated from diseased plum trees are presented is this paper. Based on pathogenic, biochemical and physiological characteristics, isolated starins were divided into two ... -
Chemical Control of Curled Dock (Rumex crispus L.) and Other Weeds in Noncropped Areas
Rumex crispus L. is an invasive species widespread in our country and in particular in the region of North Bulgaria. It is characterized by high biological and ecological plasticity. Owing to its great reproductive ... -
Comparative Study of Properties of Different Pesticide Formulations of the Same Active Ingredient
Characteristics of two formulations of trifluralin, an emulsifiable concentrate (EC) and emulsion, oil in water (EW), the latter being a new formulation of our design, were investigated and compared. Attention was focused ... -
Concentrations of Heavy Metals in NPK Fertilizers Imported in Serbia
Concentrations of Pb, Cd, Cu and Mn in sixteen NPK fertilizers imported and widely used in Serbia were determined by flame atomic absorption spectrometry (AAS). The results show that contents of heavy metals varied ... -
Detection of Colletotrichum acutatum Latent Infections in Strawberry Petioles and Leaves
Colletotrichum acutatum is the most significant agent of anthracnose strawberry fruit rot. Besides being a necrotrophic pest, it can spend a part of its life cycle as an epiphyte, in a form of latent infection. The ... -
Determination of Active Ingredient Content Based on Correlation with Dry Content in Suspension Concentrates
The possiblity of determining contents of active ingredients based on their correlation with dry conent in suspension concentrates was investigated. Five suspension concentrate products were tested: Atrazin SC, Prometrin ... -
Determination of Atrazine, Acetochlor, Clomazone, Pendimethalin and Oxyfluorfen in Soil by a Solid Phase Microextraction Method
A solid phase microextraction (SPME) method for simultaneous determination of atrazine, acetochlor, clomazone, pendimethalin and oxyfluorfen in soil samples was developed. The method is based on a combination of conventional ... -
Effects of Metribuzin on the Activity of Some Enzymes in Soil
Eeffects of metribuzin on the activity of some enzymes in soil was investigated. Trials were set up in the laboratory on a clay loam soil. Metribuzin was applied at 12.0, 24.0 and 60.0 mg/kg soil rates and soil samples ... -
Effects of Shepherd’s Purse (Capsella bursa pastoris (L.) Medic.) on the Chemical Composition of Lucerne (Medicago sativa L.)
A study was conducted in a pure stand of lucerne (variety Viktoria) under natural weed infestation with shepherd’s purse (Capsella bursa pastoris (L.) Medic.) on a slightly leached chernozem soil under nonirrigated ... -
Effects of Two Formulations Based on Bacillus thuringiensis subsp. israelensis on Aedes aegypti Mosquito Larvae under Laboratory Conditions
Toxicity and persistence of two formulations based on Bacillus thuringiensis subsp. israelensis applied to Aedes aegypti mosquito larvae were tested under laborabory conditions. The formulations were: a) water dispersible ... -
Efficacy and Palatability of Different Rodenticide Formulations Applied against House Mouse (Mus musculus L.) in Plant Storage Facilities
Palatability (daily intake) of different rodenticide formulations based on bromadiolone was compared in experiments with house mouse (Mus musculus L.) in agricultural storage facilities, and rodent numbers were assessed ... -
Efficacy of Different Lambda-Cyhalothrin Formulations against Ticks
Ticks (Acari:Ixodida) are arthropods of special biomedical importance, well known as transmitters of several zoonotic diseases. Various acaricides have been used to control them but their number has decreased over the ... -
Elaboration of Methods for Detection of Pseudomonas savastanoi pv. phaseolicola on Bean Seeds
Pseudomonas savastanoi pv. phaseolicola detection on artificially inoculated bean seeds was investigated. The method of the International Seed Federation – ISF (2006) was used. It includes bacteria extraction from seeds, ... -
Elaboration of Methods for Detection of Xanthomonas axonopodis pv. phaseoli on Bean Seeds
Xanthomonas axonopodis pv. phaseoli detection on artificially inoculated bean seeds was investigated. The method of the International Seed Federation – ISF (2006) was used. It included bacteria extraction from seeds and ... -
Erwinia amylovora – the Causal Agent of Root Collar Necrosis of Apple Trees
A large-scale outbreak of fire blight symptoms caused by Erwinia amylovora was recorded in pome fruit trees during 2007. In addition to fruit necrosis and shoot blight as the typical disease symptoms, dark purple necrosis ... -
Field Efficacy of Fluopicolide and Fosetyl-Al Fungicide Combination (Profiler®) for Control of Plasmopara viticola (Berk. & Curt.) Berl. & Toni. in Grapevine
The efficacy of new fungicide mixtures in controlling Plasmopara viticola in grapevine was evaluated in field trials. The efficacies of Profiler (fluopicolide + fosetyl-Al) and the standard fungicide Mikal Flash (fosetyl-Al ... -
In vitro Sensitivity of the Mushroom Pathogen Cladobotryum spp. to Thiophanate-Methyl and Different Carbendazim Formulations
A survey of in vitro sensitivity of 13 isolates of the mushroom pathogen Cladobotryum spp. to the fungicides thiophanate-methyl, carbendazim, cyproconazole+carbendazim and flusilazole+carbendazim was undertaken. The ... -
Influence of Tomato Spotted Wilt Virus Uneven Distribution on Its Serological Detection in Tomato, Pepper and Ornamentals
Reliable detection of plant pathogens does not only mean the development of sufficiently sensitive laboratory techniques for their routine testing. Regardless of the sensitivity of applied methods, the proper selection ... -
Laboratory Tests for Group and Individual Exposures of Arion lusitanicus Mabille Slugs to Different Molluscicide Baits
Molluscicide baits based on different active ingredients were tested in a seven-day laboratory trial on juveniles and young adults of Arion lusitanicus Mabille slug collected in ruderal sites during June and July of 2008. ... -
Morphological and Pathogenic Characteristics of the Fungus Cladobotryum dendroides, the Causal Agent of Cobweb Disease of the Cultivated Mushroom Agaricus bisporus in Serbia
Twenty isolates were isolated from diseased fruiting bodies of Agaricus bisporus collected from Serbian mushroom farms during 2003-2007. The isolates formed white, cottony, aerial colonies on agar media. With age, conidia ...