Details for: APG 320, Trifolium subterraneum L., 'MIDDLEBACK STRAIN'

Summary Data

Taxonomy:

Trifolium subterraneum L.

Cultivar:

'MIDDLEBACK STRAIN'

Origin:

Collected – Australia

Maintained:

Australian Pastures Genebank

Received by APG:

01 Dec 1956

Improvement Status:

Landrace

Form Received:

Seed

Availability

Form	Quantity	Note	Inventory	Cart
Seed	100 count		ACTIVE 320 1980___1_____ SD
Seed	100 count		BASE 320 2023rsp2_____ SD

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

Core Passport Data

Taxonomy:

Trifolium subterraneum L.

Cultivar:

'MIDDLEBACK STRAIN'

Origin:

Collected – Australia

Maintained:

Australian Pastures Genebank

Received by APG:

01 Dec 1956

Improvement Status:

Landrace

Form Received:

Seed

Source History

Collected

Locality: Middleback

Donated

01 December 1956. Australia

01 July 2014. Australia

Donator(s):

South Australian Research and Development Institute

Accession Names and Identifiers

'MIDDLEBACK STRAIN'

Type: Cultivar name

SA 320

Type: Donor identifier

Group: SA

South Australian Genetic Resource Centre

ALP 1.3

Type: Priority Score

Narrative

Group Note

Trifolium subterraneum L.

Genus:

Trifolium

Subgenus:

Trifolium

Section:

Trichocephalum

Family:

Fabaceae (alt. Leguminosae)

Subfamily:

Faboideae

Tribe:

Trifolieae

Nomen number:

300628

Place of publication:

Sp. pl. 2:767. 1753

Typification:

View in Linnean Typification Project

Verified:

03/23/2007 by ARS Systematic Botanists.

Common names

English
sub clover –
subterranean clover –
French
trèfle souterrain –
German
Erdklee –
Italian
trifoglio sotteraneo –
Japanese Rōmaji
jimoguri-tsumekusa –
Portuguese
trevo-subterrâneo –
Swedish
grävklöver –

Other conspecific taxa

Trifolium subterraneum L. subsp. brachycalycinum Katzn. & Morley (2176 active accession[s])
Trifolium subterraneum L. subsp. subterraneum (4649 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	140	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	120	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	5 - Crescent	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Flush	Existance of leaf flush pattern in cultivars	5 - Intermediate	APG WA Regen 2023-24 Clover Sub
MORPHOLOGY	Leaf Mark Crescent	A pale green triangle in the leaf center	8 - C3 to C4	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	4 - A1 to A2	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	0.637	APG WA Regen 2023-24 Clover Sub
OTHER	Wet down date	Wet down date	3/05/2023	APG WA Regen 2023-24 Clover Sub
PHENOLOGY	Days to First Flower	Days from wetting up to start of flowering phase	112	APG WA Regen 2023-24 Clover Sub