Browsing 3. Scientific Journals / Naučni i stručni časopisi by Title
Now showing items 142-161 of 405
-
The Effects of Kingbo Biopesticide on Tetranychus urticae Koch Female Adults
Toxic and sublethal effects of the biopesticide Kingbo (oxymatrine 0.2% + psoralen 0.4%) on female adults of two-spotted spider mite (Tetranychus urticae Koch) were investigated in two laboratory bioassays. The assays ... -
Effects of Maize Density and Sowing Pattern on Weed Suppression and Maize Grain Yield
Plant competition in its basic sense can be defined as competition for resources such as light, water and nutrients. The intensity of crop competition, especially competition of row crops such as maize, mostly depends ... -
Effects of Metribuzin on the Activity of Some Enzymes in Soil
Eeffects of metribuzin on the activity of some enzymes in soil was investigated. Trials were set up in the laboratory on a clay loam soil. Metribuzin was applied at 12.0, 24.0 and 60.0 mg/kg soil rates and soil samples ... -
The effects of monitoring the abundance and species composition of aphids as virus vectors on seed potato production in Serbia
Aphids are the most important vectors of potato viruses during the crop’s growing season. The most widespread and damaging viruses, the potato virus Y and potato leaf roll virus, are transmitted by aphids in non-persistent ... -
Effects of Organic Matter and Clay Content in Soil on Pesticide Adsorption Processes
The effect of organic matter and clay content on the adsorption of atrazine, acetochlor, clomazone, pendimethalin and oxyfluorfen in soil samples was studied. In order to determine whether and to what degree different ... -
The Effects of Pollen on Serum Parameters, and Liver and Kidney Tissues of Rats
The objective of this study was to investigate any positive effects or possible side effects of the use of pollen. Mature male rats were fed pollen of three different plant sources (Trifolium spp., Raphanus spp. and ... -
Effects of salicylic acid elicitor against aphids on wheat and detection of infestation using infrared thermal imaging technique in Ismailia, Egypt
Wheat (Triticum sativum L.) is one of the most important cereal crops in Egypt. Insect pests, such as aphids, are major threats in terms of yield reduction. Induced resistance in wheat using salicylic acid as a foliar ... -
Effects of Shepherd’s Purse (Capsella bursa pastoris (L.) Medic.) on the Chemical Composition of Lucerne (Medicago sativa L.)
A study was conducted in a pure stand of lucerne (variety Viktoria) under natural weed infestation with shepherd’s purse (Capsella bursa pastoris (L.) Medic.) on a slightly leached chernozem soil under nonirrigated ... -
The Effects of Some Botanical Insecticides and Pymetrozine on Life Table Parameters of Silver Leaf Whitefly Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae)
The objective of this research was to assess the effects of extracts of two medicinal plant species: Allium sativum (Linn) and Calotropis procera (Aiton), and a formulation containing azadirachtin on life table parameters ... -
Effects of Spinosad and Abamectin on different Populations of Rice Weevil Sitophilus oryzae (L.) in Treated Wheat Grain
In laboratory conditions (25±1ºC and 60±5% r.h.) effects of natural insecticides spinosad and abamectin on five S. oryzae populations (laboratory, Šid, Gornji Milanovac, Žabari and Novi Pazar) were investigated. Both ... -
The Effects of Spirodiclofen on Reproduction of Two-spotted Spider Mite (Tetranychus urticae Koch)
Laboratory bioassay was conducted to evaluate the effects of spirodiclofen on the survival, fecundity and fertility of two-spotted spider mite (Tetranychus urticae Koch) females treated as 3-days old adults with a series ... -
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 ... -
Effects of Two Formulations Based on Bacillus thuringiensis subsp. israelensis on Aedes aegypti Mosquito Larvae under Laboratory Conditions
Toxicity and persistence of two formulations based on Bacillus thuringiensis subsp. israelensis applied to Aedes aegypti mosquito larvae were tested under laborabory conditions. The formulations were: a) water dispersible ... -
Effects off Atrazine on Soil Microorganisms
Effects of the herbicide atrazine on soil microorganisms was investigated. Trials were set up in laboratory, on a clay loam soil. Atrazine was applied at 8.0, 40.0 and 80.0 mg/kg soil rates. The abundance of total ... -
Efficacy and Palatability of Different Rodenticide Formulations Applied against House Mouse (Mus musculus L.) in Plant Storage Facilities
Palatability (daily intake) of different rodenticide formulations based on bromadiolone was compared in experiments with house mouse (Mus musculus L.) in agricultural storage facilities, and rodent numbers were assessed ... -
Efficacy of Copper Compounds in Controlling Xanthomonas campestris pv. vesicatoria, the Causal Agent of Bacterial Spot of Pepper
The efficacy of several new formulations of copper compounds in controlling Xanthomonas campestris pv. vesicatoria in pepper was estimated in field conditions using artificial inoculation. The efficacies of Cuprozin 35 ... -
Efficacy of Diferent Formulations of Bromodiolone-based Rodenticides Against Rodent Pests in Alfalfa
In order to compare the efficacy of different formulations of Bromodiolone-based rodenticides against mixed populations of common vole (Microtus arvalis Pall) and striped field mouse (Apodemus agrarius) in alfalfa, the ... -
Efficacy of Different Insecticides in Controlling Pollen Beetle (Meligetes aeneus F.) in Rapeseed Crop
Since pollen beetle, M. aeneus, is usually controlled by insecticides, the efficacy of several compounds with different modes of action against adult beetles was studied in a threeyear field study. The selected insecticides ... -
Efficacy of Different Lambda-Cyhalothrin Formulations against Ticks
Ticks (Acari:Ixodida) are arthropods of special biomedical importance, well known as transmitters of several zoonotic diseases. Various acaricides have been used to control them but their number has decreased over the ... -
Efficacy of eco-smart insecticides against certain biological stages of jasmine moth, Palpita unionalis Hb. (Lepidoptera: Pyralidae)
The efficacy of six eco-smart insecticides, Dipel 2x 6.4% WP (Bacillus thuringensis AI), Biofly 100% WP (Beauvaria bessiana AI), Radiant 12% SC (Saccharopolyspora spinosa AI), Mectin 1.8% EC (Streptomyces avermitilis ...