Skip to content


Details for: APG 55566, Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs, KP 282


Summary Data
Taxonomy:
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Top Name:
KP 282
Origin:
Collected – South Africa
Improvement Status:
Wild material
Form Received:
Seed
Availability
FormQuantityNoteInventoryCart
Seed100 countBASE 55566 2020rwk2_____ SD
 
There are no images for this accession.

Core Passport Data
Taxonomy:
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Top Name:
KP 282
Origin:
Collected – South Africa
Improvement Status:
Wild material
Form Received:
Seed
Source History
Collected
22 March 1990. 
Locality: PHALABORWA,BLOCK 163 W SIDE,7KM SW N CORNER OF THI
Aspect: North; Coll Source: Wild; Landscape: Slope; Landuse: Grazed; Propagule: Seed; Calcium: 992; Clay: 9.2; Lithology: 2330 Zgx: Mafic Metalava, Amphibolite, Ultramafic Schist; Magnesium: 227; Ph: 6.8; Phosphorus: 41.6; Potassium: 217; Sodium: 7; Soil Drainage: Seasonally Dry; Soil_Texture: Sand; Exposure: Fully Sunny; Notes: Shallow Coarse Textured Soil ; Biome: Savanna; Foto_No: 6.29; Veld_Type: Mopani Veld

22 March 1990.  South Africa
Coordinates: -23.7800, 31.2500 (Map it)
Elevation: 240m.

Collector(s):
Donated
  South Africa

Donator(s):
08 September 2015.  Australia

Donator(s):
Accession Names and Identifiers
KP 282
Type: Unverified name

SITE 9.5
Type: Site identifier

AusTRCF 319809
Type: Donor identifier
Group: AusTRCF
Austraian Tropical Forage

ATF 680
Type: Institute identifier

ALP 1.2
Type: Priority Score

Narrative
Group Note
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs
Genus:
Megathyrsus
Family:
Poaceae (alt. Gramineae)
Subfamily:
Panicoideae
Tribe:
Paniceae
Subtribe:
Melinidinae
Nomen number:

447623
Place of publication:

Austrobaileya 6:572. 2003
Verified:
01/05/2005 by ARS Systematic Botanists.
Common names
English
green panic grass –
Guinea grass –
French
herbe de Guinée –
German
Guineagras –
Italian
erba della Guinea –
Portuguese (Brazil)
capim-colonião –
Spanish
mijo de Guinea –
pasto Guinea –
Swedish
guineagräs –
Other conspecific taxa
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs var. coloratus (C. T. White) B. K. Simon & S. W. L. Jacobs (0 active accession[s])
Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs var. pubiglumis (K. Schum.) B. K. Simon & S. W. L. Jacobs (1 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Panicum maximum Jacq.

Homotypic Synonym(s)
Urochloa maxima (Jacq.) R. D. Webster

Heterotypic Synonym(s)
Panicum hirsutissimum Steud.
Panicum maximum Jacq. var. hirsutissimum (Steud.) Oliv.
Panicum maximum Jacq. var. trichoglume Robyns
Annotations
Other Links
Actions
Pathogens
Vouchers
Citations
Pedigree
Intellectual Property Rights
FAO Standard Material Transfer Agreement (SMTA).

Observations

Phenotype Data

CategoryDescriptorDescriptionValueStudyInventoryAvailability
GROWTHGrowth habitDominant growth habitE - Erect (vertical dominant growth)(self-supporting)APG QLD Regen 2020-21 Panicum Megathyrsus  
GROWTHMode of spreadDominant mode of spread (at 1st flower)R - Strongly rhizomatousAPG QLD Regen 2020-21 Panicum Megathyrsus  
MORPHOLOGYLeaf hairsLeaf surface hairiness, fully expanded leaves (at 1st flower)1 - Glabrous (none)APG QLD Regen 2020-21 Panicum Megathyrsus  
MORPHOLOGYLeaf sheath hairsLeaf sheath surface hairiness, fully expanded leaves (at 1st flower)1 - Glabrous (none)APG QLD Regen 2020-21 Panicum Megathyrsus  
MORPHOLOGYLeaf colour (dominant)Dominant leaf colour 4-6 nodes from branch tip (at 1st flower)Mid. GreenAPG QLD Regen 2020-21 Panicum Megathyrsus  
MORPHOLOGYCulm colour (dominant)Dominant culm colour (10-20 days after 1st flower)Mid. GreenAPG QLD Regen 2020-21 Panicum Megathyrsus  
MORPHOLOGY1000 Seed WeightWeight of 1000 seeds in grams1APG QLD Regen 2020-21 Panicum Megathyrsus  
MORPHOLOGYMaximum leaf lengthMaximum leaf size of fully expanded leaves (at first flower) APG QLD Regen 2020-21 Panicum Megathyrsus  
OTHERwet down dateDate seeds were first wetted for germination (in laboratory)20/11/2020APG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYDays to First FlowerDays from wetting up to start of flowering phase56APG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYMinimum canopy heightMinimum canopy (foliage) height (cm) (without support) (30-50 days after 1st flower) 60APG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYMaximum canopy heightMaximum canopy (foliage) height (cm) (without support) (30-50 days after 1st flower) 95APG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYMinimum seedhead heightMinimum flower (foliage) height (cm) (30-50 days after 1st flower) 70APG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYMaximum seeedhead heightMaximum flower (foliage) height (cm) (30-50 days after 1st flower) 130APG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYLeafiness rating - principalEstimate of leaf vs non-leaf material compared to principal (30-50 days after 1st flower)3 - Greater than comparatorAPG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYDiseasesIdentification of diseases not otherwise rated (group or scientific name if known)ConidiosporomycesAPG QLD Regen 2020-21 Panicum Megathyrsus  
PHENOLOGYSeed production (subsidiary)Estimate of seed production relative to the subsidiary comparator (where present)2 - Similar to comparatorAPG QLD Regen 2020-21 Panicum Megathyrsus  
PRODUCTIONFlowering and seed setEstimate of seed production capacity5 - Dense flowering, ready seed set (few empty florets)APG QLD Regen 2020-21 Panicum Megathyrsus  
PRODUCTIONTrait Agronomic ValueSubjective rating (one to five ) based on the overall appearance of an accessions agronomic potential APG QLD Regen 2020-21 Panicum Megathyrsus  
PRODUCTIONTrait Agronomic Value CommentComment for trait agronomic valueModerate conidiosporomycesAPG QLD Regen 2020-21 Panicum Megathyrsus  


GRIN-Global project