High responsiveness of apple trees to single application of growth regulators to the root collar

Minute amounts of growth regulators (2.5 to 10 mg/tree) were applied once to the root collars of apple trees cvs Shampion, Paulared and Lobo. Changes were observed during 4 years in the growth and fruiting of the treated trees though each cultivar was affected in a different way. The diversity in re...

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Bibliographic Details
Published inJournal of fruit and ornamental plant research Vol. 3; no. 3
Main Authors Grochowska, M.J, Hodun, M, Mika, A, Morgas, H. (Research Institute of Pomology and Floriculture, Skierniewice (Poland))
Format Journal Article
LanguageEnglish
Published 1995
Subjects
6-BENZILADENINA
6-BENZYLADENINE
ACIDO GIBERELICO
ARBOLES FRUTALES
ARBRE FRUITIER
DOSE D'APPLICATION
DOSIS DE APLICACION
EXPERIMENTACION EN CAMPO
EXPERIMENTATION AU CHAMP
FRUCTIFICACION
FRUCTIFICATION
GIBBERELLINE
HABITOS DE CRECIMIENTO
MALUS
METHODE D'APPLICATION
METODOS DE APLICACION
PACLOBUTRAZOL
POLOGNE
POLONIA
PORT DE LA PLANTE
RACINE
RAICES
VARIEDADES
VARIETE
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Summary:Minute amounts of growth regulators (2.5 to 10 mg/tree) were applied once to the root collars of apple trees cvs Shampion, Paulared and Lobo. Changes were observed during 4 years in the growth and fruiting of the treated trees though each cultivar was affected in a different way. The diversity in reactions of the 3 cultivars to applied growth regulators seems to result from: 1) various hormone patterns and/or gibberellin metabolism manifested by specific growth habit of each cultivar; 2) inadequate amount of compounds for the trees differentiated in size, growth viour and age
Bibliography:9700557
F01
ISSN:1231-0948