About: Management of sunflower stand height using growth regulators

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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.agriculturejournals.cz/publicFiles/44517.pdf
Description	Influence of growth regulators chlormequat chloride, ethephon, trinexapac-ethyl, and a combination of chlormequat chloride and ethephon on decreasing sunflower height was examined in the years 2006-2009. Height was reduced by as much as 63 cm by double application of chlormequat chloride (915 g/ha) + ethephon (465 g/ha) at early and later growth stage (BBCH 32 and 50). Trinexapac-ethyl (375 g/ha) did not affect the height. One-time application of chlormequat chloride (1440-2160 g/ha), chlormequat chloride (458 g/ha) + ethephon (233 g/ha) (BBCH 30 or 50), or ethephon (480 g/ha) (BBCH 30) was sufficient for a ca 30 cm reduction during flowering, but this effect did not last until harvest. With double application (BBCH 30 and 50), reduction lasted until harvest. For ethephon (480 g/ha), application at BBCH 50 reduced height by as much as 35 cm and lasted until harvest. Combining a lower rate of ethephon with ammonium sulfate was effectively equivalent to using a full rate. Flower head diameter at maturity showed no significant negative influence compared to the control. In 2008 and 2009, a delay in flowering onset was observed after applying growth regulators. Influence of growth regulators chlormequat chloride, ethephon, trinexapac-ethyl, and a combination of chlormequat chloride and ethephon on decreasing sunflower height was examined in the years 2006-2009. Height was reduced by as much as 63 cm by double application of chlormequat chloride (915 g/ha) + ethephon (465 g/ha) at early and later growth stage (BBCH 32 and 50). Trinexapac-ethyl (375 g/ha) did not affect the height. One-time application of chlormequat chloride (1440-2160 g/ha), chlormequat chloride (458 g/ha) + ethephon (233 g/ha) (BBCH 30 or 50), or ethephon (480 g/ha) (BBCH 30) was sufficient for a ca 30 cm reduction during flowering, but this effect did not last until harvest. With double application (BBCH 30 and 50), reduction lasted until harvest. For ethephon (480 g/ha), application at BBCH 50 reduced height by as much as 35 cm and lasted until harvest. Combining a lower rate of ethephon with ammonium sulfate was effectively equivalent to using a full rate. Flower head diameter at maturity showed no significant negative influence compared to the control. In 2008 and 2009, a delay in flowering onset was observed after applying growth regulators. (en)
Title	Management of sunflower stand height using growth regulators Management of sunflower stand height using growth regulators (en)
skos:prefLabel	Management of sunflower stand height using growth regulators Management of sunflower stand height using growth regulators (en)
skos:notation	RIV/25328859:_____/11:#0000566!RIV12-MZE-25328859
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(QH71254), Z(MSM6046070901)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Spitzer, Tomáš Matušinsky, Pavel Klemová, Zuzana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Agrotest fyto, s.r.o.
http://linked.open...dnocenehoVysledku	210396
http://linked.open...ai/riv/idVysledku	RIV/25328859:_____/11:#0000566
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	growth inhibition; chlormequat chloride; ethephon; trinexapac-ethyl; sunflower (en)
http://linked.open.../riv/klicoveSlovo	chlormequat chloride ethephon growth inhibition trinexapac-ethyl sunflower
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[57CF7FFC52F2]
http://linked.open...i/riv/nazevZdroje	PLANT SOIL AND ENVIRONMENT
http://linked.open...in/vavai/riv/obor	GF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Inovation of the metods of the protection of sunflower
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Kazda, Jan Spitzer, Tomáš Matušinsky, Pavel Klemová, Zuzana
http://linked.open...ain/vavai/riv/wos	000293896800002
http://linked.open...n/vavai/riv/zamer	Setrvalé zemědělství, kvalita zemědělské produkce, krajinné a přírodní zdroje.
issn	1214-1178
number of pages	7 (xsd:int)

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