Plum tree named ‘Suplumtwentyfour’

Details Plum tree named ‘Suplumtwentyfour’ Plum tree named ‘Suplumtwentyfour’

2001-02-23

2002-12-24

Campell, Bruce R. (Department: 1661)

Plants

Fruit

Stone fruit tree

Plant Patent

active

PP013395

ABSTRACT:

LATIN NAME OF THE GENUS AND SPECIES OF THE PLANT CLAIMED
Prunus salicina.
VARIETY DENOMINATION
‘Suplumtwentyfour’.
BACKGROUND AND SUMMARY OF THE INVENTION
This invention relates to the discovery and asexual propagation of a new variety of plum,
Prunus salicina
cv. ‘Suplumtwentyfour’. The new variety was first hybridized by Carlos D. Fear and selected by Bruce D. Mowrey. The new variety was evaluated by Bruce D. Mowrey and David W. Cain near Wasco, Kern County, Calif. The variety was originated by hybridization. The new variety is characterized by its high consistent productivity, setting crops even in rainy, cool bloom conditions.
The seed parent is ‘Suplumtwelve’ (U.S. Plant Pat. No. 4,965) and the pollen parent is Sun World breeding selection ‘275-136’ (unpatented). The parent varieties were first crossed in 1988, with the date of sowing of March 1989 and the date of first flowering being 1991. The new plum variety was first asexually propagated by Bruce D. Mowry near Wasco, Kern County, Calif. in May 1992, by budding onto Nemared rootstock.
The new variety ‘Suplumtwentyfour’ is similar to its seed parent the ‘Suplumtwelve’ variety in that it has approximately the same ripening date. It differs from its seed parent by having flesh that is more nearly solid, bright red color. The seed parent, in contrast, is more yellow in color in the region near the pit cavity until the fruit is at the soft ripe stage. ‘Suplumtwentyfour’ may be further distinguished from its seed parent by having larger size fruits, (averaging 7.0 cm in diameter compared to 6.3 cm for ‘Suplumtwelve’), a rounder, less oblate shape, and a smoother skin surface as compared to the more corrugated skin surface texture of the seed parent ‘Suplumtwelve’.
The new ‘Suplumtwentyfour’ variety is distinguished from its pollen parent ‘275-136’ (unpatented) by yielding larger fruits, averaging 7.0 cm. in diameter compared to the 6.0 cm fruits of ‘275-136’. Fruits of ‘Suplumtwentyfour’ are rounder as compared to the more oblate shape of ‘275-136’ fruits. The flesh of ‘Suplumtwentyfour’ is brighter and more nearly solid red, developing earlier than in ‘275-136’, which has a more yellow flesh in the pit region until the fruit is fully ripe. The new variety is more consistently productive than ‘275-
136’, setting full crops in rainy, cool bloom conditions while ‘275
-136’ sets poorly under such conditions. The new variety ripens approximately nine days after its pollen parent ‘275-136’.
The new plum variety cv. ‘Suplumtwentyfour’ most nearly resembles the ‘Suplumeleven’ (U.S. Plant Pat. No. 4,902) variety. It may be distinguished from the ‘Suplumeleven’ by having more intense red flesh coloration which develops earlier in the maturation process than ‘Suplumeleven’. ‘Suplumtwentyfour’ ripens approxiamately 20 days earlier than ‘Suplumeleven’, with fruit that is softer, with more melting flesh texture than in the ‘Suplumeleven’ variety. Moreover, the fruit of ‘Suplumtwentyfour’ is more nearly round and less oblate in shape than ‘Suplumeleven’.
The new ‘Suplumtwentyfour’ variety vaguely resembles the ‘Black Amber’ variety, but differs from ‘Black Amber’ by producing fruit with red-colored flesh in contrast to the yellow flesh of the ‘Black Amber’ variety. The new variety yields larger fruits that are more uniform in comparison to the ‘Black Amber’ variety. Additionally, the ‘Suplumtwentyfour’ variety ripens approximately five days earlier than the ‘Black Amber’ variety.
The new variety ‘Suplumtwentyfour’ ripens at the same time as the ‘Santa Rosa’ plum variety. It differs from the ‘Santa Rosa’ variety by possessing black skin and bright red flesh, in comparison to the dark red skin and yellow-red flesh of the ‘Santa Rosa’ variety.
The new ‘Suplumtwentyfour’ variety has been shown to maintain its distinguishing characteristics through successive asexual propagations by, for example, budding onto ‘Nemared’ rootstock.

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