Volume 58 Number 2 Article 12
Year 2004 Month 4
Title: Spur Leaf and Flower Characteristics of Apple Cultivars in the 1995 NE-183 Trial
Authors: D.C. Ferree and J.C. Schmid
Abstract:
Apple spur samples were collected in July 1998 and 1999, or when the king flower was open in 2000
and 2001, and their characteristics were related to yield and fruit size.
Spur characteristics of 'Braeburn',
'Golden Delicious' and 'Yataka' were similar on M.9 and Mark rootstocks. 'Braeburn' spurs had very
small leaves and total leaf areas compared to most other cultivars. 'Cameo' and 'Fortune' tended to have
large spur leaves in both years.
Correlations between yield and fruit size showed no relationship with spur
characters across this wide range of cultivars.
Number of flowers per spur varied among cultivars and
between years, but 'Rome Beauty' and 'Braeburn1 tended to have more flowers and 'Cameo' fewer flowers
then most other cultivars. 'Cameo' tended to have large king flower corolla diameter and long pedicels
on both king and lateral flowers.
Across these cultivars, pedicel length was positively correlated with
fruit size.
Pedicel length was positively correlated with spur leaf size and area in both years.
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