The effect of different bioregulators on lateral shoot formation in maiden apple trees

One-year-old Malus domestica Borkh. ‘Boskoop’ and ‘Mutsu’ nursery trees on M.9 rootstock were treated with foliar sprays of different BA + GA3 mixtures (450 + 450 mg dm-3 or 780 + 120 mg dm-3) or BA + GA4+7 combinations (450 + 450 or 330 + 570 mg dm-3). Both cultivars showed strong apical dominance;...

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Main Authors: Gąstoł Maciej, Domagała-Świątkiewicz Iwona, Bijak Michał
Format: Article
Language:English
Published: Sciendo 2012-12-01
Series:Folia Horticulturae
Subjects:
Online Access:https://doi.org/10.2478/v10245-012-0018-9
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author Gąstoł Maciej
Domagała-Świątkiewicz Iwona
Bijak Michał
author_facet Gąstoł Maciej
Domagała-Świątkiewicz Iwona
Bijak Michał
author_sort Gąstoł Maciej
collection DOAJ
description One-year-old Malus domestica Borkh. ‘Boskoop’ and ‘Mutsu’ nursery trees on M.9 rootstock were treated with foliar sprays of different BA + GA3 mixtures (450 + 450 mg dm-3 or 780 + 120 mg dm-3) or BA + GA4+7 combinations (450 + 450 or 330 + 570 mg dm-3). Both cultivars showed strong apical dominance; however, increased branching potential was observed following the use of exogenous growth regulators. All of the investigated branching agents revealed a high effectiveness, yet only after one treatment. Environmental factors played a major role in the induction of sylleptic shoot formation, especially in the case of ‘Boskoop’. In the case of ‘Boskoop’, the branching effect was correlated with several vegetative growth properties (tree height, trunk diameter), while for ‘Mutsu’, a different branching pattern was found with no correlations ascertained. No tree injuries were observed following the use of a chemical branching agent.
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spelling doaj.art-45aeb1c9733f4122bbd9f0360f545d582022-12-21T19:18:22ZengSciendoFolia Horticulturae2083-59652012-12-0124214715210.2478/v10245-012-0018-9The effect of different bioregulators on lateral shoot formation in maiden apple treesGąstoł Maciej0Domagała-Świątkiewicz Iwona1Bijak Michał2Department of Pomology and Apiculture, University of Agriculture in Krakow 29 Listopada 54, 31-425Kraków, PolandDepartment of Soil Cultivation and Fertilisation, University of Agriculture in Krakow 29 Listopada 54, 31-425Kraków, PolandDepartment of Soil Cultivation and Fertilisation, University of Agriculture in Krakow 29 Listopada 54, 31-425Kraków, PolandOne-year-old Malus domestica Borkh. ‘Boskoop’ and ‘Mutsu’ nursery trees on M.9 rootstock were treated with foliar sprays of different BA + GA3 mixtures (450 + 450 mg dm-3 or 780 + 120 mg dm-3) or BA + GA4+7 combinations (450 + 450 or 330 + 570 mg dm-3). Both cultivars showed strong apical dominance; however, increased branching potential was observed following the use of exogenous growth regulators. All of the investigated branching agents revealed a high effectiveness, yet only after one treatment. Environmental factors played a major role in the induction of sylleptic shoot formation, especially in the case of ‘Boskoop’. In the case of ‘Boskoop’, the branching effect was correlated with several vegetative growth properties (tree height, trunk diameter), while for ‘Mutsu’, a different branching pattern was found with no correlations ascertained. No tree injuries were observed following the use of a chemical branching agent.https://doi.org/10.2478/v10245-012-0018-9branchingmalus domesticanurseryplant growth regulatorstree quality
spellingShingle Gąstoł Maciej
Domagała-Świątkiewicz Iwona
Bijak Michał
The effect of different bioregulators on lateral shoot formation in maiden apple trees
Folia Horticulturae
branching
malus domestica
nursery
plant growth regulators
tree quality
title The effect of different bioregulators on lateral shoot formation in maiden apple trees
title_full The effect of different bioregulators on lateral shoot formation in maiden apple trees
title_fullStr The effect of different bioregulators on lateral shoot formation in maiden apple trees
title_full_unstemmed The effect of different bioregulators on lateral shoot formation in maiden apple trees
title_short The effect of different bioregulators on lateral shoot formation in maiden apple trees
title_sort effect of different bioregulators on lateral shoot formation in maiden apple trees
topic branching
malus domestica
nursery
plant growth regulators
tree quality
url https://doi.org/10.2478/v10245-012-0018-9
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