Browsing Scientific Journal "PESTICIDES AND PHYTOMEDICINE" by Title
Now showing items 184-203 of 260
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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, ... -
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 ... -
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 ... -
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, ... -
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 ...