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Blackberry plant named 'Clark Gold'

a technology of blackberry and plant, applied in the field of blackberry plant namedclark gold, can solve the problem of no commercial blackberry varieties with yellow fruits

Inactive Publication Date: 2004-06-22
CLARK JOHN WILLIAM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The new variety of blackberry plant, called \"Clark Gold,\" has yellow fruits and lacks anthocyanin pigmentation, which is a marker for yellow fruits. It was discovered in a cultivated field in Texas and has been propagated asexually through tip layering. The new variety has three distinctive characteristics: yellow fruits, lack of anthocyanin in vegetative tissues, and floral abnormalities. The absence of anthocyanin is caused by a spontaneous genetic mutation and is not associated with the Rosette disease caused by a fungal pathogen. The new variety has been designated as a new plant variety by the USDA and can be used for home and commercial blackberry production."

Problems solved by technology

To date there are no commercial varieties of blackberry with yellow fruit.

Method used

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  • Blackberry plant named 'Clark Gold'
  • Blackberry plant named 'Clark Gold'
  • Blackberry plant named 'Clark Gold'

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

FIG. 1 shows winter foliage of `Clark Gold` (CG) and Rubus trivialis, the wild dewberry(WDB).

FIG. 2 shows primocane leaves (5-foliate) of `Clark Gold` (CG) and Rubus trivialis, the wild dewberry (WDB).

FIG. 3 shows floricane leaves (3-foliate) of `Clark Gold` (CG) and Rubus trivialis, the wild dewberry (WDB).

FIG. 4 shows flowers and petal numbers of flowers of `Clark Gold` (CG) and Rubus trivialis, the wild dewberry (WDB).

FIG. 5 shows shape and size of flowers and calyx of `Clark Gold` (CG) and Rubus trivialis, the wild dewberry (WDB).

FIG. 6 shows yellow fruit of `Clark Gold` (CG) and normal black fruit of Rubus trivialis, the wild dewberry (WDB).

DETAILED DESCRIPTION OF THE NEW VARIETY

The descriptions reported herein are from specimens grown in Jackson County, Tex. Color data are presented in Royal Horticultural Society (R.H.S.) Colour Chart designations. Where dimensions, sizes, colors, and other characteristics are given, it is to be understood that such characteristics are approxi...

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Abstract

A new and distinct variety of blackberry plant lacking anthocyanin coloration in it's various plant parts and having yellow fruit is described. The new variety named 'Clark Gold' also has double flowers and enlarged sepals. 'Clark Gold' is a sport of the southern dewberry, Rubus trivalis, and is a biennial, thorny, trailing-vine plant type. The yellow fruit is of medium size and has the sweetness of its wild blackberry relative. It is also a very early variety with low chill requirements.

Description

Rubus trivialis; Variety `Clark Gold`.BACKGROUND OF THE VARIETYThis new variety named `Clark Gold` is the result of a spontaneous mutation of the southern dewberry, Rubus trivialis, a wild blackberry species, and was discovered on cultivated land in south Texas (Jackson County). The plants of the new variety lack anthocyanin pigment throughout all tissues, including the fruit, which is yellow at maturity, unlike the dark purple fruit of normal blackberries. This variety like most blackberry cultivars has biennial canes with a dormant period between first year canes primocanes) and second year canes (floricanes) prior to flowering and fruiting. This new variety is analogous to `Kiwigold`, U.S. Plant Pat. No. 11,313, a yellow-fruited mutation of the red raspberry variety `Heritage`, although occurring in a blackberry species rather than a raspberry species.Blackberry and raspberry species belong to the same genus Rubus, but fall within different subgenera. The distinguishing morpholog...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A01H5/08
CPCA01H5/0887A01H5/08A01H6/7499
Inventor CLARK, JOHN WILLIAM
Owner CLARK JOHN WILLIAM
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