Browsing 2013. by Issue Date
Now showing items 1-20 of 25
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Selectivity of Some Herbicides to Standard Wheatgrass (Agropyron desertorum (Fisch.) Schultes) During Stand Establishment and Seed Production
A study was conducted in the experimental field of the Institute of Forage Crops – Pleven on a slightly leached chernozem soil in 2011-2012 to determine the selectivity of some herbicides to standard wheatgrass (Agropyron ... -
The Use of Vegetative Compatibility Tests for Identification of Biodiversity of Phytopathogenic Fungi
Visual assessment of phenotypes, performed when two strains of one fungal species are cultivated in a mixed culture on specific media, is known as vegetative or heterokaryotic compatibility or incompatibility test, which ... -
Efficiencies of Different Methods for Determination of Organophosphate Pesticide Residues in Fermented Wheat Substrate
In the present work, the efficiencies of three different sample preparation methods for GC/ MS determination of pirimiphos-methyl and chlorpyrifos-methyl residues in wheat (Triticum spelta) samples fermented by Lactobacillus ... -
Impact of Trichoderma spp. on Soybean Seed Germination and Potential Antagonistic Effect on Sclerotinia sclerotiorum
Trichoderma species have been registered as species with important plant growth promoting potential and antagonistic effect against various phytopathogens. Trichoderma isolates originating from different soil types from ... -
An Outbreak of Aspergillus Species in Response to Environmental Conditions in Serbia
The frequency and incidence of A. flavus and A. niger on barley, maize, soybean, sunflower and wheat grain, the abundance of European corn borer (Ostrinia nubilalis) moths and their interaction depending on weather ... -
A Bioassay Technique to Study Clomazone Residues in Sandy Loam Soil
A bioassay test was conducted to evaluate the sensitivity of maize, sunflower and barley to clomazone residues in sandy loam soil. Clomazone was applied at different rates from 0.12 to 12 mg a.i./kg of soil. The parameters ... -
Temperature Effects on Cuscuta campestris Yunk. Seed Germination
Studies of biological characteristics of seeds and conditions for their germination have a major importance for planning and executing rational measures of weed control. The aim of this study was to investigate the effect ... -
In Vitro and In Vivo Toxicity of Several Fungicides and Timorex Gold Biofungicide to Pythuim aphanidermatum
A survey of in vitro and in vivo sensitivity of Pythuim aphanidermatum to several commercial fungicides and a biofungicide was undertaken. An isolate of P. aphanidermatum pathogenic to pepper was collected from a naturally ... -
The Effects of Kingbo Biopesticide on Tetranychus urticae Koch Female Adults
Toxic and sublethal effects of the biopesticide Kingbo (oxymatrine 0.2% + psoralen 0.4%) on female adults of two-spotted spider mite (Tetranychus urticae Koch) were investigated in two laboratory bioassays. The assays ... -
Damage Caused by White Snail Cernuella virgata (Da Costa) to Green Onion Crop
Damage caused by the white snail Cernuella virgata (Da Costa, 1778) was for the first time observed in vegetable crops in Serbia during the summers of 2011 and 2012. In this country, serious damage to vegetable crops is ... -
Ralstonia solanacearum – a New Threat to Potato Production in Serbia
A survey of ware potatoes (a total of 1127 samples) from localities in Serbia during two consecutive years resulted in detection and identification of R. solanacearum in 17 tuber samples. The monitoring detected the ... -
Efficacy of Different Insecticides in Controlling Pollen Beetle (Meligetes aeneus F.) in Rapeseed Crop
Since pollen beetle, M. aeneus, is usually controlled by insecticides, the efficacy of several compounds with different modes of action against adult beetles was studied in a threeyear field study. The selected insecticides ... -
Life History Traits and Population Growth of Greenhouse Whitefly (Trialeurodes vaporariorum Westwood) on Different Tomato Genotypes
The effects of five tomato genotypes (cv. Narvik and hybrids NS-6, Tamaris, Alliance and Marko) on the survival, reproduction, development and population growth of the greenhouse whitefly Trialeurodes vaporariorum were ... -
Phytotoxicity of Chlorpyrifos to White Mustard (Sinapis alba L.) and Maize (Zea mays L.): Potential Indicators of Insecticide Presence in Water
Chlorpyrifos is a hazardous insecticide and important pollutant of the environment. The EU Directive 2008/105/EC lists it as one of the priority water pollutants. Its presence is mainly detected by chemical methods but, ... -
Diatomaceous Earths – Natural Insecticides
The regulatory issues for diatomaceous earth (DE) cover three fields: consumer safety, worker safety, and proof of efficacy against pests. For consumer safety, regulatory issues are similar to those for other additives, ... -
Effects of Different Essential Oils on the Acceptability and Palatability of Cereal-Based Baits for Laboratory Mice
The aim of our study was to investigate the possibility of application of essential oils as additives in cereal-based rodenticide baits, at rates which prevent mould development and are applicable in humane medicine. ... -
Efficacy of Spinosad and Abamectin against Different Populations of Red Flour Beetle (Tribolium castaneum Herbst) in Treated Wheat Grain
The efficacy of spinosad and abamectin against T. castaneum adults from a laboratory population with normal susceptibility to contact insecticides and against malathion-resistant populations from Nikinci and Jakovo was ... -
Dispersion of the Mediterranean Fruit Fly Ceratitis capitata Wiedem. (Diptera: Tephritidae) in Mandarin Orchards on Montenegrin Seacoast
The Mediterranean fruit fly Ceratitis capitata Widem. has been an established pest on the Montenegrin seacoast for more than ten years, although with variable abundance in different years and localities. From an economic ... -
Development of a Thyme Essential Oil Formulation and Its Effect on Monilinia fructigena
Antifungal activity of thyme essential oil against Monilinia fructigena and development of an effective and stable oil formulation for agricultural use were studied in this paper. Bioactivity of the oil itself and its ... -
Foraging Activity of Four Bee Species on Sesame Flowers During Two Successive Seasons in Ismailia Governorate, Egypt
Foraging activity of four bee species, Apis mellifera L., Osmia spp., Ceratina tarsata Morawitz and Xylocopa pubescens Spinola on sesame flowers was studied during two successive seasons of 2011 and 2012. Experimental ...