Details for: APG 9337, Trifolium subterraneum L. subsp. subterraneum, 'NORTHAM B'

Summary Data

Taxonomy:

Trifolium subterraneum L. subsp. subterraneum

Cultivar:

'NORTHAM B'

Origin:

Collected – Australia

Maintained:

Australian Pastures Genebank

Received by APG:

01 Apr 1975

Improvement Status:

Breeding material

Form Received:

Seed

Availability

Form	Quantity	Note	Inventory	Cart
Seed	100 count		ACTIVE 9337 1976i__1_____ SD
Seed	100 count		BASE 9337 2023rsp2_____ SD

Images (3 total. Click on image for more.)

Core Passport Data

Taxonomy:

Trifolium subterraneum L. subsp. subterraneum

Cultivar:

'NORTHAM B'

Origin:

Collected – Australia

Maintained:

Australian Pastures Genebank

Received by APG:

01 Apr 1975

Improvement Status:

Breeding material

Form Received:

Seed

Source History

Collected

Australia

Donated

01 April 1975. Australia

01 July 2014. Australia

Donator(s):

South Australian Research and Development Institute

Accession Names and Identifiers

'NORTHAM B'

Type: Cultivar name

SA 9337

Type: Donor identifier

Group: SA

South Australian Genetic Resource Centre

ALP 1.3

Type: Priority Score

Narrative

Pale green crescent, see SA15006

Group Note

Trifolium subterraneum L. subsp. subterraneum

Genus:

Trifolium

Subgenus:

Trifolium

Section:

Trichocephalum

Family:

Fabaceae (alt. Leguminosae)

Subfamily:

Faboideae

Tribe:

Trifolieae

Nomen number:

40383

Verified:

03/23/2007 by ARS Systematic Botanists.

Common names

Other conspecific taxa

Trifolium subterraneum L. (2105 active accession[s])
Trifolium subterraneum L. subsp. brachycalycinum Katzn. & Morley (2176 active accession[s])
Trifolium subterraneum L. subsp. yanninicum Katzn. & Morley (137 active accession[s])

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

Annotations

Observations

Phenotype Data

Category	Descriptor	Description	Value	Study
GROWTH	Seedling Vigour	Seedling vigour (at 2-3 trifoliate leaf stage). Subjective assessment relative to principle check cv Dalkeith at 100 units	40	APG WA Regen 2023-24 Clover Sub
GROWTH	Spring Vigour	Spring vigour (20 weeks). Subjective assessment relative to principle check cv Dalkeith at 100 units	100	APG WA Regen 2023-24 Clover Sub
GROWTH	Winter Vigour Perth	Winter vigour (10 weeks). Subjective assessment relative to principle check cv Dalkeith at 100 units at Perth	110	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Stipule Pigmentation	Stipule pigmentation is usually fully expressed in a dense vigorous sward by early to mid-flowering	5 - Intermediate	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Flecking	Tendency to produce dark purple or black anthocyanin flecks on their upper leaf	1 - Absent	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Flush Pattern	Purple or brown anthocyanin pigmentation pattern tends to surround the central leaf mark or extend outwards from midrib	1 - Midrib	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Flush	Existance of leaf flush pattern in cultivars	1 - Absent	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Mark Crescent	A pale green triangle in the leaf center	4 - C1 to C2	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Mark Arms	Leaf mark extending from the edge of or underneath the crescent to the margin	6 - A2 to A3	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Mark Band	A pale green strip extending from margin to margin	1 - Absent	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	100 Seed Weight	100 Seed Weight	0.707	APG WA Regen 2023-24 Clover Sub
OTHER	Wet down date	Wet down date	14/05/2023	APG WA Regen 2023-24 Clover Sub
PHENOLOGY	Days to First Flower	Days from wetting up to start of flowering phase	80	APG WA Regen 2023-24 Clover Sub