Details for: PI 652481, Zoysia japonica Steud., 'PRISTINE'


Summary Data
Taxonomy:
Zoysia japonica Steud.
Cultivar:
'PRISTINE'
Origin:
Developed – Georgia, United States
Received by NPGS:
23 Jan 2008
Improvement Status:
Cultivar
Life Form:
Perennial
Life Cycle:
Perennial
Availability
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Core Passport Data
Taxonomy:
Zoysia japonica Steud.
Cultivar:
'PRISTINE'
Origin:
Developed – Georgia, United States
Received by NPGS:
23 Jan 2008
Improvement Status:
Cultivar
Life Form:
Perennial
Life Cycle:
Perennial
Source History
Accession Names and Identifiers
'PRISTINEFLORA'
Type: Cultivar name

'PRISTINE'
Type: Cultivar name

BA-305
Type: Other or unclassified name

Narrative
The purpose of this breeding program was to identify an alternative to the standard cultivar Emerald , and to potentially enlarge the diversity of turf cultivars grown in Florida s specialty zoysiagrass market. Pristine was developed as a regional variety for the subtropical and tropical regions of Florida. It was originally tested as breeding line BA-305, and Plant Patent 18,415 P3 was issued on Jan. 15, 2008 under said designation. Pristine was selected for two horticultural traits, including darker leaf color and a more refined leaf structure. Additionally, Pristine was selected for two agronomic traits, including a faster rate of crop establishment and reduced seed head production. Leaf color was determined using the Munsell Color Chart, and Pristine produced a fresh leaf color that ranged from 7.5GY (4/6) to 7.5GY (5/6). It also produced leaves that averaged 21% shorter and 19% narrower than the standard variety Emerald . Agronomically, Pristine produced fewer seed heads and had a short peak-duration of seed head production in comparison to Emerald . Pristine exhibited a faster rate of crop establishment and typically covered the plots two (2) months earlier than the standard cultivar.
Zoysia japonica Steud.
Genus:
Zoysia
Family:
Poaceae (alt. Gramineae)
Subfamily:
Chloridoideae
Tribe:
Zoysieae
Subtribe:
Zoysiinae
Nomen number:

42306
Place of publication:

Syn. pl. glumac. 1:414. 1854
Verified:
02/10/2006 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Homotypic Synonym(s)
Osterdamia japonica (Steud.) Hitchc.

Common names
LanguageNameAlternate namenoteseqCitation
EnglishJapanese lawn grass  1Rehm, S. 1994. Multilingual dictionary of agronomic plants
EnglishKorean grass  1Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada
EnglishKorean lawn grass  11961. Webster's third new international dictionary.
Englishzoysia  1Rehm, S. 1994. Multilingual dictionary of agronomic plants
Chinesejie lü cao结缕草 2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Italianzoisia del Giappone  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Japanese Rōmajishiba  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Transcribed Koreanjandi  2Lee, Y. N. 1997. Flora of Korea.
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Citations
  • Scully, B. T., R. T. Nagata, R. H. Cherry, L. E. Trenholm, & J. B. Unruh. 2009. Registration of ‘Pristine’ Zoysiagrass. J. Pl. Registr. 3(1):065. DOI: 10.3198/jpr2008.04.0186crc. Number of accessions cited: 1
Pedigree
Description:
This cultivar originated as an open pollinated progeny derived from Emerald , an interspecific cross between Zoysia japonica (Stued.) and Zoysia tenuifolia (L.) Merr. Pristine was first identified and selected as BA-305 in Palm Beach County, Florida. Pristine (BA-305) was an individual plant selected from an array of nine lines chosen to represent the variability of off-types growing in an original planting of Emerald .
Intellectual Property Rights
Journal of Plant Registration. CV-251, OTHER GRASSES. Issued: 01 Jan 2009.
  • Scully, B. T., R. T. Nagata, R. H. Cherry, L. E. Trenholm, & J. B. Unruh. 2009. Registration of ‘Pristine’ Zoysiagrass. J. Pl. Registr. 3(1):065. DOI: 10.3198/jpr2008.04.0186crc.
U.S. Plant patent. Plant Patent 18,415P3, Issued: 15 Jan 2008.