Volume 48 Number 4 Article 2
Year 1994 Month 10
Title: Incidence of Blind Nodes in Low-chill Peach and Nectarine Germplasm
Authors: G.D. Richards, G.W. Porter, J. Rodriguez-A and W.B. Sherman
Abstract:
Observational evidence is presented to support the idea that blind node incidence increases
when shoot growth is rapid with higher mid-summer temperatures.
Seventy-three low-chill
cultivars and selections of peach and nectarine
(P. persica (L.) Batsch) from the University of
Florida breeding program were evaluated at
Gainesville, Florida in January 1992 for the
incidence of blind nodes.
The incidence for
blind nodes ranged from 10 to 85% indicating
wide genetic diversity in the germplasm.
Both
melting and non-melting selections spanned the
full ranged; however, more non-melting flesh
selections appeared to be in the upper part of
the range for blind nodes.
Selection Fla. 4-4,
which has been selected for flowering ability as
an ornamental, had the fewest blind nodes.
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