Partial inhibition of flowering in young highbush blueberries with gibberellins

W. Lindberg, E. Hanson, and G.A. Lobos. 2014. Partial inhibition of flowering in young highbush blueberries with gibberellins. Cien. Inv. Agr. 41(3):349-356. Preventing young blueberry (Vaccinium corymbosum L.) plants from fruiting can increase their vegetative growth. In previous studies, gibberell...

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Autores principales:	Lindberg,William, Hanson,Eric, Lobos,Gustavo A
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2014
Materias:	Floral induction GA3 GA4+7 ProGibb ProVide Vaccinium corymbosum
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300007
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spelling	oai:scielo:S0718-162020140003000072015-02-25Partial inhibition of flowering in young highbush blueberries with gibberellinsLindberg,WilliamHanson,EricLobos,Gustavo A Floral induction GA3 GA4+7 ProGibb ProVide Vaccinium corymbosum W. Lindberg, E. Hanson, and G.A. Lobos. 2014. Partial inhibition of flowering in young highbush blueberries with gibberellins. Cien. Inv. Agr. 41(3):349-356. Preventing young blueberry (Vaccinium corymbosum L.) plants from fruiting can increase their vegetative growth. In previous studies, gibberellin (GA) applications reduced flowering in highbush blueberry, but the response was variable and cultivar dependent and was studied mostly using potted nursery plants. The purpose of this work was to determine whether floral induction can be inhibited by GA in plants established in the field, particularly on newer cultivars now being widely planted. Foliar sprays were applied in several experiments with different application intervals and concentrations; the efficacy was determined by counting the number of initiated floral meristems. GA applications in July and August were more inhibitive than those in September and October, while cultivars did not vary in their response. GA significantly reduced flower bud numbers in three separate studies, but the greatest reduction (49%) required repeated applications from July to October. The results indicate that GA may have limited commercial utility for preventing fruiting in highbush blueberries under field conditions. However, further studies are needed to determine how vegetative growth is affected by the partial inhibition of flowering.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.41 n.3 20142014-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300007en10.4067/S0718-16202014000300007
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Floral induction GA3 GA4+7 ProGibb ProVide Vaccinium corymbosum
spellingShingle	Floral induction GA3 GA4+7 ProGibb ProVide Vaccinium corymbosum Lindberg,William Hanson,Eric Lobos,Gustavo A Partial inhibition of flowering in young highbush blueberries with gibberellins
description	W. Lindberg, E. Hanson, and G.A. Lobos. 2014. Partial inhibition of flowering in young highbush blueberries with gibberellins. Cien. Inv. Agr. 41(3):349-356. Preventing young blueberry (Vaccinium corymbosum L.) plants from fruiting can increase their vegetative growth. In previous studies, gibberellin (GA) applications reduced flowering in highbush blueberry, but the response was variable and cultivar dependent and was studied mostly using potted nursery plants. The purpose of this work was to determine whether floral induction can be inhibited by GA in plants established in the field, particularly on newer cultivars now being widely planted. Foliar sprays were applied in several experiments with different application intervals and concentrations; the efficacy was determined by counting the number of initiated floral meristems. GA applications in July and August were more inhibitive than those in September and October, while cultivars did not vary in their response. GA significantly reduced flower bud numbers in three separate studies, but the greatest reduction (49%) required repeated applications from July to October. The results indicate that GA may have limited commercial utility for preventing fruiting in highbush blueberries under field conditions. However, further studies are needed to determine how vegetative growth is affected by the partial inhibition of flowering.
author	Lindberg,William Hanson,Eric Lobos,Gustavo A
author_facet	Lindberg,William Hanson,Eric Lobos,Gustavo A
author_sort	Lindberg,William
title	Partial inhibition of flowering in young highbush blueberries with gibberellins
title_short	Partial inhibition of flowering in young highbush blueberries with gibberellins
title_full	Partial inhibition of flowering in young highbush blueberries with gibberellins
title_fullStr	Partial inhibition of flowering in young highbush blueberries with gibberellins
title_full_unstemmed	Partial inhibition of flowering in young highbush blueberries with gibberellins
title_sort	partial inhibition of flowering in young highbush blueberries with gibberellins
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300007
work_keys_str_mv	AT lindbergwilliam partialinhibitionoffloweringinyounghighbushblueberrieswithgibberellins AT hansoneric partialinhibitionoffloweringinyounghighbushblueberrieswithgibberellins AT lobosgustavoa partialinhibitionoffloweringinyounghighbushblueberrieswithgibberellins
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Partial inhibition of flowering in young highbush blueberries with gibberellins

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