Search Results - "KAZDA, Jan"

Effect of glyphosate on the foraging activity of European honey bees (Apis mellifera L.) by Bokšová, Aneta, Kazda, Jan, Bartoška, Jan, Kamler, Martin

“…Glyphosate is a widely used agrochemical. Nevertheless, only a few studies have investigated its effect on bees, specifically its influence on their foraging…”
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Bioproducts and their potential in protection of Brassica napus L. against Verticillium longisporum by Zusková, Eva, Konradyová, Veronika, Ryšánek, Pavel, Kazda, Jan

“…The experiments were carried out on 5 different bioproducts for control of Verticillium longisporum in oilseed rape. For in vitro trials, greenhouse trials and…”
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Hormonal Responses to Plasmodiophora brassicae Infection in Brassica napus Cultivars Differing in Their Pathogen Resistance by Prerostova, Sylva, Dobrev, Petre I, Konradyova, Veronika, Knirsch, Vojtech, Gaudinova, Alena, Kramna, Barbara, Kazda, Jan, Ludwig-Müller, Jutta, Vankova, Radomira

“…Hormonal dynamics after infection were compared in two cultivars-more resistant SY Alister and more sensitive Hornet, in order to elucidate responses…”
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Findings of herbicide and fungicide residues in bee bread by Bokšová, Aneta, Kazda, Jan, Stejskalová, Martina, Šubrt, Tomáš, Uttl, Leoš, Mráz, Petr, Bartoška, Jan

“…The honey bee is one of the insects that is significantly endangered by the application of pesticides in the cultivation of crops. Not only is acute toxicity…”
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Effect of using selected growth regulators to reduce sunflower stand height by SPITZER, Tomáš, BÍLOVSKÝ, Jan, KAZDA, Jan

“…Influence of plant growth regulators chlormequat chloride, chlormequat chloride + ethephon, ethephon, and mepiquat chloride + prohexadione-Ca + pyraclostrobin…”
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The factors influencing the pollinators visitation of the oilseed rape cultivars by Kazda, Jan, Bokšová, Aneta, Stejskalová, Martina, Šubrt, Tomáš, Bartoška, Jan, Vlažný, Petr

“…Currently, the hybrid cultivars are predominant in the cultivation of winter oilseed rape in Europe. Cultivation of hybrid cultivars instead of the traditional…”
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Clubroot caused by Plasmodiophora brassicae Wor.: a review of emerging serious disease of oilseed rape in the Czech Republic by Řičařová, Veronika, Kazda, Jan, Singh, Khushwant, Ryšánek, Pavel

“…Winter oilseed rape is the second most frequently grown crop in the Czech Republic. Clubroot, caused by Plasmodiophora brassicae (Wor.), was previously a…”
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Management of maize stand height using growth regulators by SPITZER, Tomáš, MÍŠA, Petr, BÍLOVSKÝ, Jan, KAZDA, Jan

“…Effect in reducing maize plant height using growth regulators ethephon, chlormequat chloride (CCC), CCC + ethephon, and mepiquat chloride + prohexadione-Ca was…”
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Possibility of using seed treatment to suppress seed-borne diseases in poppy by Spitzer, Tomáš, Spitzerová, Dagmar, Matušinský, Pavel, Kazda, Jan

“…In experiments using Petri dishes in the laboratory and pots in a greenhouse and climate chamber, we examined the influence of seed treatment on emergence of…”
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Effect of fungicide application date against Sclerotinia sclerotiorum on yield and greening of winter rape by Spitzer, Tomáš, Matušinsky, Pavel, Klemová, Zuzana, Kazda, Jan

“…In experiments with winter rape during 2004–2008, we examined the effectiveness of fungicides containing active ingredients based upon triazoles and SBI…”
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Effect of flight activity of stem weevils (Ceutorhynchus napi, C. pallidactylus) and application time on insecticide efficacy and yield of winter oilseed rape by Spitzer, T., Agrotest Fyto, Kromeriz (Czech Republic), Matusinsky, P., Agrotest Fyto, Kromeriz (Czech Republic), Spitzerova, D., Agrotest Fyto, Kromeriz (Czech Republic), Bilovsky, J., Agrotest Fyto, Kromeriz (Czech Republic), Kazda, J., Czech University of Life Sciences, Prague (Czech Republic). Dept. of Plant Protection

“…During 2010-2012, we monitored flight activity of male and female stem weevils (Ceutorhynchus napi, C. pallidactylus) using yellow water traps, the…”
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The influence of pesticides repellency used in oilseed rape (Brassica napus subsp. napus) on the preference by bees (Apis mellifera L.) by Stejskalová, Martina, Konradyová, Veronika, Kazda, Jan

“…The occurrence of honey bees was observed in fields of oilseed rape (Brassica napus subsp. napus) during the flowering period. The investigation revealed that…”
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Is pollinator visitation of Helianthus annuus (sunflower) influenced by cultivar or pesticide treatment? by Stejskalová, Martina, Konradyová, Veronika, Suchanová, Marie, Kazda, Jan

“…Beneficial insects, such as Apis mellifera (honey bees) and Bombus sp. (bumble bees), play important roles in the environment as pollinators, and they are…”
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Selective effects of the extract from Angelica archangelica L. against Harmonia axyridis (Pallas)—An important predator of aphids by Pavela, Roman, Zabka, Martin, Vrchotova, Nadezda, Triska, Jan, Kazda, Jan

“…•The extract from Angelica archangelica against Acyrthosiphon pisum.•No significant negative effect of the extract on Harmonia axyridis.•Furanocoumarins as…”
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Watermelon mosaic virus in the Czech Republic, its recent and historical origins by Ben Mansour, Karima, Gibbs, Adrian J., Komínková, Marcela, Komínek, Petr, Brožová, Jana, Kazda, Jan, Zouhar, Miloslav, Ryšánek, Pavel

“…Watermelon mosaic virus (WMV) is a potyvirus and a member of the bean common mosaic virus (BCMV) lineage. It is one of the most economically important viral…”
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A comparison of wild bee communities in sown flower strips and semi‐natural habitats: A pollination network approach by Hadrava, Jiří, Talašová, Anna, Straka, Jakub, Benda, Daniel, Kazda, Jan, Klečka, Jan

“…Drastic reductions of insect diversity and abundance have been observed in highly fragmented agricultural landscapes of central Europe. Declines of pollinators…”
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Influence of application term on effectiveness of some insecticides against brassica pod midge (Dasineura brassicae Winn.) by Pavela, R.,Vyzkumny Ustav Rostlinne Vyroby, Prague (Czech Republic). Odbor Rostlinolekarstvi, Kazda, J.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Ochrany Rostlin, Herda, G.,Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Ochrany Rostlin

“…In 2005 we determined the effectiveness of two preparations against gall pod midge in dependence on different terms of application, i.e. at full flowering…”
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Effect of two NeemAzalTM formulations on honeybees under semi-field conditions by Abd-Allah, Shawki Mahmoud, Táborský, Vladimír, Kamler, František, Kazda, Jan

“…The effects of NeemAzalTM formulations: NeemAzalTM T/S (1% azadirachtin) and NeemAzalTM granules (1% azadirachtin) on honeybees, Apis mellifera L., were…”
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High degree of philopatry is required for mobile insects used as local indicators in biodiversity studies by Talašová, Anna, Straka, Jakub, Hadrava, Jiří, Benda, Daniel, Kocourek, František, Kazda, Jan

“…•Suitability test of mobile philopatric and non-philopatric insects for local biomonitoring.•Two habitat types contrasting in feeding and nesting opportunities…”
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Greenhouse and field experiments with winter oilseed rape cultivars resistant to Plasmodiophora brassicae Wor by Řičařová, Veronika, Kazda, Jan, Baranyk, Petr, Ryšánek, Pavel

“…Clubroot disease, caused by Plasmodiophora brassicae (Wor.), has been affecting on winter oilseed rape (Brassica napus L.) in the Czech Republic over the past…”
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