Volume 47 Number 1 Article 7 Pages: 38-46
Year 1993 Month 1
Title: Evaluation of Own-rooted vs. Budded Prune (Prunus Domestica L.) Seedling Genotypes
Authors: A. Moing, R.M. Carlson, J.F. Doyle and T.M. DeJong
Citation
Abstract:
Growth characteristics of Prunus domestica
seedlings on their own roots were compared to
the same genotypes budgrafted to vigorous, 1
year-old, commercial 'Marianna 2624' rootstock.
Mean shoot growth of budded genotypes on
the rootstock was substantially greater than on
their own roots.
Growth of seedling genotypes
on their own roots was only moderately correlated with growth on the rootstock.
The 10
tallest seedling genotypes generally had larger,
more active (higher rates of leaf photosynthesis
and leaf conductance to water vapor) leaves
than the 10 shortest genotypes both on their
own roots and as scions on the rootstock.
There
were no consistent, statistically significant differences in midday stem water potential be
tween tall and short genotypes but short genotypes on their own roots had significantly lower
midday stem water potentials than their counterparts growing as scions.
Among the entire
population of 54 genotypes studied, the leaves
of scion grown plants had significantly higher
mean leaf concentrations nitrogen and potassium, but no consistent differences in phos
phorus.
Growth of genotypes as seedlings was
positively related to leaf nitrogen concentration
but negatively related to leaf potassium concentration.
There was no relationship between leaf
nitrogen or potassium concentration of the same
genotypes grown as scions.
Full text download: APS subscribers
ISHS members & pay-per-view
Download all articles in volume 47 number 1 (for APS subscribers only) (all PDF's in .tar archive format)
(PDF 1102503 bytes)
Translate:
APS membership administration
ISHS membership administration
