Volume 62 Number 3 Article 3 Pages: 110-118
Year 2008 Month 7
Title: Classifying Criteria for Major Fruit Traits in Prunus persica and Correlation Analyses Among the Traits
Author: Zhongping Cheng
Citation
Abstract:
To develop classification criteria for major fruit traits of peaches and nectarines (P. persica [L.] Batsch.),
fruits from more than 800 accessions and 700 cultivars were analyzed for several quantitative fruit traits.
Each
trait was then converted to five categories spanning the range observed for fruit development period, fruit mass,
soluble solids content, soluble sugars, titratable acidity, Vitamin C content and the ratio of soluble solids to titratable
acidity.
Correlations among these traits were also evaluated.
Fruit development period was correlated with fruit
mass, concentration of soluble solids, soluble sugars, titratable acidity and Vitamin C content.
Positive correlations
were also found between fruit mass and Vitamin C, soluble solids content and soluble sugars, Vitamin C and the
ratio of soluble solids to titratable acidity.
These results, obtained from a large number of accessions with different
characteristics, measured in multiple locations and multiple years, can effectively provide researchers with practical,
universal, valuable information for breeding and cultivation of peaches and nectarines.
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