About: Propargite resistance in two-spotted spider mite (Tetranychus urticae Koch) on Czech hops

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About: Propargite resistance in two-spotted spider mite (Tetranychus urticae Koch) on Czech hops Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.actahort.org/books/848/848_18.htm
Description	Two-spotted spider mite (Tetranychus urticae Koch) along with damson hop aphid (Phorodon humuli Schrank) are the key pests of hops in the Czech Republic. Tetranychus urticae can seriously damage hop plants especially in warm dry weather. Under such conditions, control becomes very difficult. Contemporary hop protection against T. urticae is based on application of miticides such as propargite. Because this compound has been used in the Czech Republic for mite control for more than two decades, resistance of field strains of two-spotted spider mite may be expected. To investigate this phenomenon, samples of field populations were taken and subjected to laboratory tests in a Potter spray tower. Values of LC 50 in these strains were compared with a susceptible strain to determine resistance factors (RF). The data surprisingly showed quite low values of RF and a good biological efficiency. Therefore, propargite can be still recommended to control T. urticae within hop yards in the Czech Republic. Two-spotted spider mite (Tetranychus urticae Koch) along with damson hop aphid (Phorodon humuli Schrank) are the key pests of hops in the Czech Republic. Tetranychus urticae can seriously damage hop plants especially in warm dry weather. Under such conditions, control becomes very difficult. Contemporary hop protection against T. urticae is based on application of miticides such as propargite. Because this compound has been used in the Czech Republic for mite control for more than two decades, resistance of field strains of two-spotted spider mite may be expected. To investigate this phenomenon, samples of field populations were taken and subjected to laboratory tests in a Potter spray tower. Values of LC 50 in these strains were compared with a susceptible strain to determine resistance factors (RF). The data surprisingly showed quite low values of RF and a good biological efficiency. Therefore, propargite can be still recommended to control T. urticae within hop yards in the Czech Republic. (en)
Title	Propargite resistance in two-spotted spider mite (Tetranychus urticae Koch) on Czech hops Propargite resistance in two-spotted spider mite (Tetranychus urticae Koch) on Czech hops (en)
skos:prefLabel	Propargite resistance in two-spotted spider mite (Tetranychus urticae Koch) on Czech hops Propargite resistance in two-spotted spider mite (Tetranychus urticae Koch) on Czech hops (en)
skos:notation	RIV/14864347:_____/09:#0000378!RIV12-MSM-14864347
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM1486434701)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Vostřel, Josef
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Chmelařský institut s.r.o.
http://linked.open...dnocenehoVysledku	337149
http://linked.open...ai/riv/idVysledku	RIV/14864347:_____/09:#0000378
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	two-spotted spider mite; miticides; propargite; hop protection; resistance factors; LD 50; strains (en)
http://linked.open.../riv/klicoveSlovo	strains two-spotted spider mite hop protection miticides LD 50 propargite resistance factors
http://linked.open...ontrolniKodProRIV	[4D9E90565AB4]
http://linked.open...v/mistoKonaniAkce	Ghent, Belgie
http://linked.open...i/riv/mistoVydani	Leuven, Belgie
http://linked.open...i/riv/nazevZdroje	Proceedings of the Second International Humulus Symposium, Acta Horticulturae 848
http://linked.open...in/vavai/riv/obor	GF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Vostřel, Josef
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-09-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Investigation and control stress factors of hop
issn	0567-7572
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	International Society for Horticultural Science
https://schema.org/isbn	9789066057227

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