Volume 46 Number 2 Article 10
Year 1992 Month 4
Title: 'Segundo,' 'Byrongold' and 'Rubysweet' Plums and BY69-1637P Plumcot – Fruits for the Southeastern United States
Authors: W.R. Okie, J.M. Thompson, C.C. Reilly, F.I. Meredith, J.A. Robertson and B.G. Lyon
Abstract:
Since 1984, the USDA plum breeding program at Byron, CA has released 3 plums and a
plumcot adapted to the humid southeastern
United States. 'Segundo' is an early "green
plum" type, ripening in early June.
It is suitable
for local use.
It turns fromyellow-green to red
as it ripens and has yellow flesh. 'Byrongold' is a
firm, yellow shipping plum ripening in mid-late
June. 'Rubysweet' also ripens in mid-late June
but has blood-red flesh with a golden-bronze
skin.
All these plums have very good tree health
relative to older varieties. 'Segundo' is somewhat smaller, not quite as firm, and higher in
acidity, soluble solids and total sugars than
'Rubysweet' and 'Byrongold'. 'Rubysweet' was
rated highest by the sensory panel on the hedonic
like-dislike scale, followed by 'Segundo'
and 'Byrongold.' A plumcot breeding line, BY69-
1637P, has also been released.
This selection
produces tight-medium crops of tart, orangefleshed
fruit.
The black skin has a very short
fuzz.
It was released for use in further breeding.
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