Title
Characterization of tree architecture in two-year-old apple seedling populations of different progenies with a common columnar gene parent Characterization of tree architecture in two-year-old apple seedling populations of different progenies with a common columnar gene parent
Author
Publication type
conferenceObject
Publication
's Gravenhage ,
Subject
Biology
Human medicine
Engineering sciences. Technology
Source (journal)
Genetics, Vols 1 and 2
Acta horticulturae / International Society for Horticultural Science. - 's Gravenhage
Source (book)
11th Eucarpia Symposium on Fruit Breeding and Genetics, SEP 01-05, 2003, Angers, FRANCE
Volume/pages
(2004) :663 Part 1-2 , p. 363-368
ISSN
0567-7572
ISBN
90-6605-386-0
ISI
000228754100062
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
Main axis and branch growth characteristics were measured during and after the first two growing seasons of 209 two-year-old 'Telamon' x 'Braeburn', 'Telamon' x 'Sunrise' and 'Telamon' x '110' apple seedlings. Each parent cultivar exhibits a different tree architecture: 'Telamon': columnar, 'Braeburn': Type III, 'Sunrise': slender, type II, '110': columnar. Variables describing the number, length and position of the branches were used to separate four different architectural groups within the 209 seedlings. A continuum from trees with few and short shoots to trees with many long shoots is observed. Consequently, apical dominance and apical control appear positively correlated. As the branching habit of one-year-old 'Telamon' x 'Braeburn' seedlings was poorly associated with architecture after two years, it was not possible to predict tree architecture based on the branching pattern of one-year-old seedlings.
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