Browsing 3. Scientific Journals / Naučni i stručni časopisi by Title
Now showing items 299-318 of 405
-
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. ... -
Possibility of environmentally-safe casing soil disinfection for control of cobweb disease of button mushroom
The soil-borne pathogen Cladobotryum dendroides causes cobweb disease of button mushroom (Agaricus bisporus) and its significant yield losses. Casing soil disinfection by toxic formaldehyde is a widespread practice. The ... -
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 ... -
Potato cv. Romano reaction to primary and secondary infection with potato necrotic strain Y virus (PVYNTN)
Primary and secondary infections with PVYNTN were investigated on forty plants of the potato cv. Romano inoculated in a greenhouse in Serbia in 2012 and 2013. PVY isolates were collected from the potato growing region ... -
Potential Use of Insecticides and Mineral Oils for the Control of Transmission of Major Aphid-Transmitted Potato Viruses
Viruses occurring in Serbia and other countries in the region are a huge problem constraining seed potato production. At lower altitudes, in lowland and hilly regions, where table potato production is widely distributed, ... -
Potentials of Rapeseed Crop Residues in Serbia
Rapeseed straw is potential source of renewable energy, but important source of soil organic matter as well. The amount of crop residues, available for energy use, per hectare, is not well known. Excessive offtake of crop ... -
Powdery Mildew on Spinach (Spinacia oleracea L.)
Symptoms resembling powdery mildew appeared on spinach crops during April and May in 2007. Infected plants have suppressed growth, smaller and degenerated young leaves. The affected leaves become yellowish and wilt in a ... -
Predators and Parasitoids of Cacopsylla pyri (L.) (Hemiptera: Psyllidae) in Serbia
The presence of C. pyri and its natural enemies was studied in both treated and untreated pear orchards in Serbia from 2005 to 2009. Five parasitoid and 21 predator species were identified as present on a considerable ... -
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 ... -
A Preliminary Study of Soybean Genotype Responses to Glyphosate
The effect of four application rates of glyphosate (Roundup, 360 g a.i./l) – 180; 360; 720 and 1440 g a.i./ha on the survival, dynamics of growth, and accumulation of fresh biomass in g per plant was studied on eight ... -
Presence and Distribution of Economically Important Potato Viruses in Montenegro
The research was carried out, in the period 2002-2004 in order to determine the presence and distribution of potato viruses at 12 different locations and on 9 different potato varieties grown in Montenegro. The research ...