Use of different plant growth regulators for control of shoot branching in apple and pear trees
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43510%2F18%3A43914788" target="_blank" >RIV/62156489:43510/18:43914788 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.17660/ActaHortic.2018.1206.31" target="_blank" >http://dx.doi.org/10.17660/ActaHortic.2018.1206.31</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.17660/ActaHortic.2018.1206.31" target="_blank" >10.17660/ActaHortic.2018.1206.31</a>
Alternative languages
Result language
angličtina
Original language name
Use of different plant growth regulators for control of shoot branching in apple and pear trees
Original language description
In production of high quality certified fruit trees, new tree growing methods utilizing plant growth regulators (PGRs) are increasingly being used. The main benefit of using PGRs lies in stimulating branching of one-year grafted fruit trees. In our experiment we used two apple cultivars: a well-branching 'Galaval' and a very poorly branching cultivar 'Rubinola'. From cultivars of European pear, we used 'Decora' as the well-branching cultivar and 'Bohemica' as a poorly branching cultivar. We used the Japanese pear cultivar 'Hosui' to verify the basic reaction to application of the commercial products of PGRs. For the purpose of our experiments we used commercially available products Globaryll 100 (6-BAP 10%, from Globachem, Belgium), Progerbalin LG (GA4 + GA7 1.88% and 6-BAP 1.88%, from L. Gobbi, Italy), GIBB plus (GA4 + GA7 1%, Globachem, Belgium). In addition, we also prepared mixed PGR solutions containing substances such as TIBA, 4-CPPU, paclobutrazol, ethephon, 6-BAP, gibberellic acid4+7, naphthylphtalamic acid, putrescine HCL and 24- epibrassinolide (all products from Duchefa, the Netherlands). The number of branches formed on trees of cultivar 'Galaval' after application of the different PGR products and solutions ranged between 7.3 and 17.1 branches tree-1. The best results in stimulation of branching of 'Galaval' trees was achieved by application of Progerbalin LG + 4-CPPU + putrescine HCL mixture. Branching in the range of 1.0-11.7 branches tree-1 was achieved in cultivar 'Rubinola', where the most effective branching treatment was Globaryll 100 (from the non-commercial mixtures the most efficient was the application of ethephon + 6-BAP + putrescine HCL). With the European pear cultivars, the achieved values were 6.1-39.9 branches tree-1 after application of different PGR products and solutions, where the best results were obtained by the application of ethephon + 6-BAP + putrescine HCL mixture. In trees of 'Bohemica' cultivar the branching achieved 7.7-15.2 branches tree-1, depending on used PGR product or mixture. In trees of 'Hosui' cultivar the results were 0.5-2.6 of short brachyblasts tree-1 when Progerbalin LG was applied. Application of the other products and mixtures was less efficient. We also obtained interesting results concerning features such as length of new branches, the overall tree height and thickness of the trunk at the root crown and under the first ramification. Significant differences were observed in the influence of the tested PGR products and mixtures over the parameters of the nursery plants.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
40105 - Horticulture, viticulture
Result continuities
Project
<a href="/en/project/QJ1510081" target="_blank" >QJ1510081: Innovation of the crucial techniques in fruit nursery production.</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Acta Horticulturae 1206
ISBN
978-94-6261-201-3
ISSN
0567-7572
e-ISSN
2406-6168
Number of pages
8
Pages from-to
225-232
Publisher name
International Society for Horticultural Science
Place of publication
Leuven
Event location
Čiba
Event date
Aug 27, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000467236100031