Browsing 2010. by Issue Date
Now showing items 1-20 of 31
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Naturally-Occurring Entomopathogenic Fungi on Three Bark Beetle Species (Coleoptera: Curculionidae) in Bulgaria
Bark beetles (Coleoptera: Curculionidae: Scolytinae) belong to one of the most damaging groups of forest insects and the activity of their natural enemies – pathogens, parasitoids, parasites or predators suppressing their ... -
Preliminary Results on the Phytophagous Insect Fauna on Onopordum acanthium (Asteraceae) in Bulgaria
The Scotch thistle, Onopordum acanthium (Asteraceae) has the Eurasian origin and represents an invasive weed in the USA and Australia. It is a serious problem in pastures, along roadsides, rangeland, etc. The weed is ... -
Leafhoppers and Cixiids in Phytoplasma-infected Carrot Fields: Species Composition and Potential Phytoplasma Vectors
The first molecular analysis of samples collected in southern Bačka (Serbia) confirmed the presence of aster yellows (16SrI) and stolbur phytoplasmas (16SrXII) in insects belonging to the family Cicadellidae, as well as ... -
In vitro Sensitivity of Fusarium graminearum (Schwabe) to Difenoconazole, Prothioconazole and Thiophanate-Methyl
A survey of in vitro sensitivity of eight isolates of the Fusarium graminearum to the fungicides difenoconazole, prothioconazole and thiophanate-methyl, was undertaken. The isolates were isolated from infected wheat heads ... -
Efficacy of Seaweed Concentrate from Ecklonia maxima (Osbeck) and Conventional Fungicides in the Control of Verticillium Wilt of Pepper
In order to control the causal agent of Verticillium wilt of pepper (Verticillium dahliae), the efficacy of two conventional fungicides, thiophanate-methyl and carbendazim, and seaweed concentrate (SWC) from Ecklonia ... -
Possible Influence of MLP Regulators in Foliage of Host Species on Invasion of Phyllophagous Insects
On the northern border of the Gypsy moth area (Lymantria dispar L., 1758), caterpillars are reorient to exogenous regulators of membrane lipid peroxidation in connection with repeated cold periods during feeding. In case ... -
Protection of Stored Plant Products Using Chlorophacinone Against Rodent Pests
Apart from some preventive measures advisably taken during construction of storage facilities or at the time of product storage, treatments with chemical rodenticides are the most widely practiced method of controlling ... -
Mite Pests in Plant Crops – Current Issues, Inovative Approaches and Possibilities for Controlling Them (2)
Part one discusses some principal mite pests in agroecosystems and urban horticulture in European countries, Serbia and its neighbouring countries focusing primarily on issues with regard to plant production, novel methods ... -
Characterization of Xanthomonas euvesicatoria Strains Pathogens of Pepper in Serbia
During spring and summer of 2008, 101 bacterial strains was isolated from the diseased pepper leaves collected from different pepper growing areas in the Republic of Serbia. The aim of this research was to characterize ... -
Evaluation of Possibilities of Venturia inaequlis Control by Ecologically Acceptable Products
Possibility of V. inaequalis control on apple variety Idared was evaluated by ecologically acceptable products such as inorganic fungicides and acidified clays. The obtained results were compared with common, chemical ... -
What Can Nutritional Indices Tell Us about Gypsy Moth Larvae (Lymantria dispar L.)?
In the submitted work, important factors for planning out experiments for studying nutritional indices, whose choice may affect research results, and opportunities for using the indices of feeding to study the ecology ... -
Effects of Sublethal Doses of Contact Insecticides on Offspring Production of Different Granary Weevil Populations
The effects of prior contact of granary weevil (Sitophilus granarius L.) parents from a laboratory population, a Belgrade Port population (selected with LD70 pirimiphos-methyl) and a Bijeljina population (selected with ... -
133 Transmission of Different Nucleopolyhedroviruses by Two Ectoparasitoids – Bracon hebetor Say (Hymenoptera: Braconidae) and Euplectrus plathypenae (Howard) (Hymenoptera: Eulophidae)
The transmission of nucleopolyhedroviruses (NPVs) of Autographa gamma (AgNPV), Mamestra brassicae (MbNPV), Lacanobia oleraceae (LoNPV), Helicoverpa armigera (HaNPV) and Xantia c-nigrum (XnNPV) to their relevant larvae ... -
Effects of Essential Oils from Thyme, Cinnamon and Clove on Mycelial Growth of Colletotrichum acutatum
Effects of the volatile phase of thyme, cinnamon and clove essential oils on Colletotrichum acutatum were investigated. Mycelial disc was placed in the center of the Petri dish (V=66 ml) containing PDA. Different volumes ... -
Suppressive Effect of Some Forage Plants on the Growth of Ambrosia artemisiifolia and Iva xanthiifolia
A pot trial in greenhouse conditions has been carried out to investigate the role of some plant species in suppression of Ambrosia artemisiifolia and Iva xanthiifolia growth. Screening of several plant species (Medicago ... -
Field Efficacy of Mandipropamid for the Control of Potato Late Blight
The efficacy of mandipropamid (Revus 250 SC) in controlling Phytophthora infestans in potato was evaluated in field trials. The efficacies of Revus 250 SC in comparison with standard fungicides Quadris (azoxystrobin) ... -
Hypoglycemic Effect of Herbicide 2,4-Dichlorophenoxyacetic Acid (2,4-D)
Herbicide 2,4-dichlorophenoxyacetic acid (2,4-D), a synthetic auxin which promotes uncontrolled plant growth is widely used. The aim of our study was to investigate, using an experimental model, the effect of herbicide ... -
Effect of Weeds and Some Methods for their Control in Seed Production Stands of Sainfoin (Onobrychis viciifolia Scop.)
During the 2007-2009 period in the experimental field of the Institute of Forage Crops a study was conducted with the purpose of investigating the effect of weeds and some methods for their control in seed production ... -
Overcoming of Soil Contamination with Pesticides in Forest Nurseries Using the Activity of Microorganisms
The use of pesticides during cultivation of pine seedlings in forest nurseries results in the formation two phenotypes of teratomorph seedlings – conditionally normal and abnormal. Growing forest cultures from teratomorph ... -
Morphological and Molecular Identification of Colletotrichum acutatum from Tomato Fruit
Colletotrichum gloeosporioides, Colletotrichum acutatum, Colletotrichum coccodes, and Colletotrichum dematium are the four main species of Colletotrichum that cause tomato anthracnose. In Serbia, the occurrence of ...