Browsing 3. Scientific Journals / Naučni i stručni časopisi by Title
Now showing items 309-328 of 405
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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 ... -
Presence and Distribution of Oilseed Pumpkin Viruses and Molecular Detection of Zucchini Yellow Mosaic Virus
Over the past decade, intensive spread of virus infections of oilseed pumpkin has resulted in significant economic losses in pumpkin crop production, which is currently expanding in our country. In 2007 and 2008, a survey ... -
Presence and Distribution of Tobacco Viruses in Serbia
Infection with a large number of plant viruses could imperil tobacco yield and quality. Tobacco is a natural host for more than 20 viruses, among which the most important and economically harmful are tobacco mosaic virus ... -
The Processes that Determine the Fate of Pesticides in Soil
Pesticides are an inevitable part of the environment, because due to the intensive use their remains are frequently detected in nature, particularly in the soil. Regardless the way pesticides get into the soil, their ... -
Production of Bioethanol from Potatoes Wastes as an Alternative Fuel
Production of ethanol from biomass is one way to reduce both the consumption of crude oil and environmental pollution. The current research focused to produce the bioethanol from crop wastes. The study carried out in ... -
Production of Emissions During Combustion of Various Biofuels
Biomass, or more precisely biofuel, nowadays increasingly substitutes for fossil fuels in the process of heating. It is used for heating of the drying medium as well. The paper is focused on the evaluation of the heat ... -
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 ... -
Pseudomnas syringae – a Pathogen of Fruit Trees in Serbia
Data about symptomatology, pathogenicity and bacteriological characteristics of Pseudomonas syringae, and PCR methods for fast and reliable detection of the pathogen are given in this paper. P. syringae has been experimentaly ... -
Pseudomonas syringae – Pathogen of Sweet Cherry in Serbia
Characteristics of pathogenic Pseudomonas bacterial strains isolated from cherry in Serbia are presented in the article. Two types of symptoms were observed on cherry trees at few localities with intensive production in ... -
Psyllopsis fraxinicola Förster (Homoptera: Psyllidae), a New Ash Tree Pest in Serbia
During investigation of jumping plant lice in Serbia, the presence of Psyllopsis fraxinicola was registered on different ash tree species (F. excelsior L., F. angustifolia Vahl.) in a few localities. Psyllopsis fraxinicola ... -
Pull, Torque Slip Characteristics of Braked Wheel of Seed Drills and Planters
Sowing or planting is one of the most important farm operations. Generally it is done by seed drill and planters. Metering device govern the seed to seed spacing in sowing operation. A constant velocity ration between ...