Browsing 3. Scientific Journals / Naučni i stručni časopisi by Title
Now showing items 289-308 of 405
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Pathogenicity of P. terrestris on Maize Seedlings
Pathogenicity of P. terrestris was determined by the Knop’s medium slants method in test tubes. Isolates originated from the roots of maize (Zea mays L.), barley (Hordeum vulgare L.), Johnson grass (Sorghum halepense ... -
Pectobacterium carotovorum subsp. carotovorum – the causal agent of broccoli soft rot in Serbia
Soft rot symptoms were observed on broccoli plants in several commercial fields in the western part of Serbia. Six strains of bacteria were isolated from diseased tissues and identified as Pectobacterium carotovorum ... -
Pectobacterium carotovorum subsp. carotovorum – the Causal Agent of Calla Soft Rot in Serbia and Montenegro
Bacterial strains were isolated from above- and underground parts of diseased calla plants originating from different localities in Serbia and one locality in Montenegro. They were characterized by studying their pathogenic, ... -
Performance Evaluation of CI Engine on Diesel-Ethanol-Biodiesel Fuel Blends
The studies were conducted to standardize the level of constituents to obtain stable diesel-ethanol-biodiesel microemulsions prepared using anhydrous ethanol (200° proof) and aqueous ethanol of 195°, 190°, 185°, 180° and ... -
Pesticides and Arthropods: Sublethal Effects and Demographic Toxicology
Insecticides and acaricides designed to control primary harmful insects and mites may also variously affect some other arthopods present in an (agro)ecosystem (e.g. secondary pests, predators, parasitoids, saprophytes, ... -
Pesticides in Soil: Effects on Microorganisms
Since their discovery to the present day, pesticides have been an inevitable segment of agricultural production and efforts have been made to synthesize compounds that would share a required efficacy along with selectivity, ... -
The pH Value of Fungicide, Insecticide and Mineral Fertilizer Mixtures Depending on Water Quality
The paper deals with the effect of water quality on the pH value of fungicides, insecticides, mineral fertilizers and their mixtures. The fungicides propineb (Antracol WP-70) and mancozeb (Dithane M-70), insecticides ... -
Physiological Status of "Radler" Type Products as Affected by Environmental Contamination Following NATO Air Strikes on the Regions of Serbia
Beer-based drinks, 'Radler' type products in particular, arouse interest for a number of reasons. These newly produced drinks were obtained by mixing beer and soft drinks and are intended for a larger number of target ... -
Phytophthora Root and Crown Rot on Apples in Bulgaria
Phytophthora is a genus of Oomycota responsible for some of the most serious diseases with great economic impact (Judelson and Blanco, 2005). While 54 species were found in the 20th century (Erwin and Ribeiro, 1996) ... -
Phytotoxic effects of fungicides, insecticides and nonpesticidal components on pepper depending on water quality
Modern agriculture relies on simultaneous application of fungicides, insecticides, fertilizers and adjuvants. The selection of compounds for tank-mixes has been rarely studied and it presents a risk in the application ... -
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, ... -
Plasmopara obducens – a New Threat to the Production of Impatiens walleriana in Serbia
During 2010, Impatiens walleriana plants with symptoms of downy mildew were collected in a greenhouse in the vicinity of Mionica, Kolubara District. Disease incidence was extremely high, approaching 100%, and wilting and ... -
Plum pox virus strains: Diversity and geographical distribution in Serbia
Plum pox virus (PPV) is the causal agent of Sharka disease. Since its discovery, Sharka has been considered as a calamity in plum orchards. PPV is present worldwide in many Prunus species, causing great economic losses. ... -
Pome Fruit Viruses in Bosnia and Herzegovina
Field surveys and laboratory tests were carried out to assess the sanitary status of pome fruit trees in Bosnia and Herzegovina. Field surveys were carried out in 10 orchards, two nurseries and one varietal collectione ... -
Pomo-Technological Properties of Selected Clones Of ’Oblačinska’ Sour Cherry
The paper looks at 7 clones of ’Oblačinska’ sour cherry with favourable pomological and technological properties. Fruit weight, soluble solids, total sugars and total acids in fruits of the clones investigated ... -
Pomological Characteristics of Wild Cherry Genotypes (Prunus Avium L. /Moench/) From Potkozarje Population
This paper presents the results of the investigation of wild cherry (Prunus avium L. /Moench/) population in the area of Potkozarje. The studied genotypes grow in association with sweet chestnut (Castanea ... -
Pomological Traits of Novi Sad Apricot Cultivars and Selections
The paper presents the results of three-year research (2008–2010) on pomological traits of four Novi Sad apricot cultivars (NS–4, NS–6, Novosadska rodna and Novosadska kasnocvetna) and five selections (SK–1, ... -
Population Dynamics of Pre-Imaginal Stages of Olive Fruit Fly Bactrocera oleae Gmel. (Diptera, Tephritidae) in the Region of Bar (Montenegro)
Olive fruit fly is the most harmful pest of olive fruits and important for oil production. Damage involves yield reduction as a consequence of premature fruit drop, but also a reduced quality of olive oil and olive ... -
Population Variability of the Species Polygonum aviculare L.
As Polygonum aviculare L. is characterized by exceptional polymorphism, 10 populations of this species were subjected to relevant morpho-anatomical investigation for a more detailed taxonomic determination. The following ... -
The Possibilities of Slovakian Pyrethrum Production
This paper discusses possibilities for pyrethrum Chrysanthemum cinerariaefolium (Trevir.) Vis. production in southern regions of Slovakia, with an emphasis on target marketing, management constraints and further research. ...