Details for: PI 672682, Rubus hybr., MSUS 119

Summary Data

Taxonomy:

Rubus hybr.

Top Name:

MSUS 119

Origin:

Developed – Mississippi, United States

Maintained:

National Clonal Germplasm Repository

Received by NPGS:

23 Aug 2012

Improvement Status:

Breeding material

Reproductive Uniformity:

Hybrid

Form Received:

Plant

Life Form:

Biennial

Life Cycle:

Biennial

Availability

This accession is not available. Contact site for status.

National Clonal Germplasm Repository

Request are accepted July 1st - Sept. 30th; Ships in Nov.

There are no images for this accession.

Core Passport Data

Taxonomy:

Rubus hybr.

Top Name:

MSUS 119

Origin:

Developed – Mississippi, United States

Maintained:

National Clonal Germplasm Repository

Received by NPGS:

23 Aug 2012

Improvement Status:

Breeding material

Reproductive Uniformity:

Hybrid

Form Received:

Plant

Life Form:

Biennial

Life Cycle:

Biennial

Source History

Developed

PRE 1999.
Mississippi, United States

Developer(s):

Gupton, Creighton L., USDA-ARS

Donated

23 August 2012.
Mississippi, United States

Donor(s):

Gupton, Creighton L., USDA-ARS

Accession Group(s)

Group name: Rubus: thornless
Note:
To search for accessions in this group, click the following link. Rubus: thornless

Accession Names and Identifiers

MSUS 119

Type: Developer identifier

Group: OTHERNUM

other identifier

CRUB 2642

Type: Site identifier

Group: LOCAL

Corvallis local number

Narrative

Rosette or double blossom is a serious disease of most erect blackberries and probably the most limiting factor in blackberry production in the southern United States. The cultivar Humble has been reported variously as immune or tolerant to rosette. A breeding program was initiated at Poplarville, Miss. with the objective of breeding thornless cultivars with rosette resistance derived from 'Humble'. A productive rosette resistant plant (MSUS29) was identified from the cross 'Humble' X 'Brazos'. MSUS29 was backcrossed to standard cultivars and thornless cultivars. An elite thornless selection (MSUS119) was identified from crosses with the thornless cultivar Navaho. The most recent crosses were made between selections with 'Humble' as the source of rosette resistance and either 'Arapaho' or MSUS119 as the source of thornlessness. It is a challenge to select rosette resistant plants because we have not been able to develop a reliable screening procedure and all seedlings are screened in the field using natural infection. To determine the tendency of 'Humble', 'Brazos', and 'Rosborough' to transmit rosette resistance, we studied its heritability in blackberry. Only 'Humble' transmitted enough resistance to be usable as a parent. We evaluated the effect of rosette on ripening date, yield, and berry weight. Berries ripened about the same time and weighed about the same when grown at either a rosette-free or disease- present location. However, yield was reduced on some clones and not others where rosette was present.

Rubus hybr.

Genus:

Rubus

Family:

Rosaceae

Subfamily:

Rosoideae

Tribe:

Rubeae

Nomen number:

104971

Comment:

interim designation used in GRIN for Rubus hybrids which lack an acceptable binomial

Verified:

04/11/1988 by ARS Systematic Botanists.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Heterotypic Synonym(s)
Rubus ×proteus C. H. Stirt. ex L. Hend., nom. inval.

Common names

Language	Name	seq	Citation
English	Marionberry	1	Facciola, S. 1998. Cornucopia II: a source book of edible plants Note: Kampong Publications
English	Olallieberry	1	Facciola, S. 1998. Cornucopia II: a source book of edible plants Note: Kampong Publications
English	youngberry	1	Facciola, S. 1998. Cornucopia II: a source book of edible plants Note: Kampong Publications

Annotations