Details for: PI 639191, Panicum virgatum L., WS4U


Summary Data
Taxonomy:
Panicum virgatum L.
Top Name:
WS4U
Origin:
Developed – Wisconsin, United States
Received by NPGS:
26 Apr 2005
Improvement Status:
Breeding material
Reproductive Uniformity:

Population
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Availability
FormQuantityNoteInventoryCart
Seed200 countPI 639191 02 SD
 
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Core Passport Data
Taxonomy:
Panicum virgatum L.
Top Name:
WS4U
Origin:
Developed – Wisconsin, United States
Received by NPGS:
26 Apr 2005
Improvement Status:
Breeding material
Reproductive Uniformity:

Population
Form Received:
Seed
Life Form:
Perennial
Life Cycle:
Perennial
Source History
Developed
18 July 2002.
Wisconsin, United States

Developer(s):
Accession Names and Identifiers
WS4U
Type: Developer identifier

Narrative
Switchgrass seedlings from 135 germplasm sources were used, and 20 seedlings of each germplasm source were transplanted to three space planted nurseries. The germplasm sources consisted of 21 cultivars or experimental populations and 114 plant introductions from USDA-NPGS-GRIN. All but 13 of the plant introductions were collected from prairie remnants in eastern South Dakota. Plants were visually evaluated for vigor, lodging resistance, large stem size, and rust reaction. Two hundred fifty plants were selected from the three spaced-plant nurseries. One leaf per plant was analyzed for ploidy level determination using flow cytometry. Based on nuclear DNA content, plants were classified as tetraploid (n = 152) or octaploid (n = 98). Expected DNA content was 3.0 pg/nucleus for tetraploids (2n=4x=36), 4.5 pg/nucleus for hexaploids (2n=6x=54), and 6.0 pg/nucleus for octaploids (2n=8x=72). The use of DNA content for ploidy classification is less precise than chromosome counts and these classifications should not be taken as a warranty that all plants within each population have the designated euploid chromosome number, and the population may contain aneuploids and/or hexaploids. The plants classified as tetraploid were the parents of WS4U.
Panicum virgatum L.
Genus:
Panicum
Family:
Poaceae (alt. Gramineae)
Subfamily:
Panicoideae
Tribe:
Paniceae
Subtribe:
Panicinae
Nomen number:

26657
Place of publication:

Sp. pl. 1:59. 1753
Verified:
05/11/1992 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Autonym(s)
Panicum virgatum L. var. virgatum

Heterotypic Synonym(s)
Panicum virgatum L. var. cubense Griseb.

Common names
LanguageNameAlternate namenoteseqCitation
EnglishBlackwell switch grass  1Rehm, S. 1994. Multilingual dictionary of agronomic plants
Englishswitch grass  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English (Canada)switch grass Agriculture & Agri-Food Canada official name2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 45.
Frenchpanic érigé  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Frenchpanic vierge  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
French (Canada)panic raide Agriculture & Agroalimentaire Canada nom officiel2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 45.
GermanRutenhirse  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Italianpanico vergato  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Swedishjungfruhirs  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chineseliu zhi ji  2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Annotations
Other Links
Storage Information Form
Actions
Pathogens
Vouchers
Citations
Pedigree
Description:
Polycross of plants from eight cultivars (13%); breeding lines from the USDA-ARS program at Lincoln, NE (2%); prairie-remnant collections from Indiana, Michigan, and Minnesota (6%); and prairie-remnant collections from South Dakota (79%).
Intellectual Property Rights
Crop Science Registration. GP-92, OTHER GRASSES. Issued: 01 Mar 2006.
  • Casler, M., K. P. Vogel, & A. C. Beal. 2006. WS4U and WS8U switchgrass. Crop Sci. (Madison) 46(2):998.

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
GROWTHFoliage HeightFoliage height in decimeters7 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
GROWTHPlant HeightTotal plant height in decimeters14 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
GROWTHPlant WidthPlant spread in decimeters8 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
MORPHOLOGYFoliage DistributionDistribution of leaves on plant3 - Well distributed S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
MORPHOLOGYLeaf LengthLeaf length measured in centimeters30 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
MORPHOLOGYLeaf WidthLeaf width measured in millimeters10.5 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
MORPHOLOGYFlower LengthLength of flower in centimeters17 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
MORPHOLOGYFlower WidthWidth of flower in centimeters25 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
MORPHOLOGYStem DiameterStem diameter in millimeters3 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
PHENOLOGYMaturityDays from March 15 planting to first flower70 S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD
PRODUCTIONFoliage AmountAbundance of foliage produced2 - (1 = Abundant, 9 = Sparse) S9.GRASSES.EXPERIMENT.2006PI 639191 02 SD