Details for: PI 601272, Zea mays L. subsp. mays, 'SX-4-2'


Summary Data
Taxonomy:
Zea mays L. subsp. mays
Cultivar:
'SX-4-2'
Origin:
Developed – Ohio, United States
Received by NPGS:
Apr 1986
Improvement Status:
Cultivar
Reproductive Uniformity:

Partial inbred
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Life Habit:
Graminoid
Availability
FormQuantityNoteInventoryCart
Seed100 countPI 601272 06ncai01 SD
 
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KERNELS

Core Passport Data
Taxonomy:
Zea mays L. subsp. mays
Cultivar:
'SX-4-2'
Origin:
Developed – Ohio, United States
Received by NPGS:
Apr 1986
Improvement Status:
Cultivar
Reproductive Uniformity:

Partial inbred
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Life Habit:
Graminoid
Source History
Developed
1984.
Ohio, United States
Habitat: Seed company
Comment: Cycles were grown in Ohio, Illinois, Indiana, and Florida with selection for adaptation for the Midwest most important.
Developer(s):
Donated
April 1986.
United States

Donor(s):
Accession Group(s)
Group name: Maize.Group.PVP
Note: Maize accessions that have an expired or abandoned PVP certificate or a PVP certificate that is nearing expiration.
To search for accessions in this group, click the following link. Maize.Group.PVP

Group name: Maize.Group.PVP.Expired.Decade.2000
Note: Maize accessions that have an expired or abandoned PVP certificate from 2000-2009.
To search for accessions in this group, click the following link. Maize.Group.PVP.Expired.Decade.2000

Group name: Maize.Group.PVP.Tetraploids
Note: Maize tetraploid accessions that have an expired or abandoned PVP certificate or a PVP certificate that is nearing expiration.
To search for accessions in this group, click the following link. Maize.Group.PVP.Tetraploids

Accession Names and Identifiers
'SX-4-2'
Type: Cultivar name

X-4-2
Type: Developer identifier
Group: PVPO-EXPERIMENT-NAME
Experimental name in PVPO data conveyed to NPGS

SX-4-2 (Tetraploid)
Type: Other or unclassified name
Modified cultivar name added by maize curator (MJM) to communicate with requestors about the unusual tetraploid nature of the germplasm.
Millard, Mark J. USDA, ARS, NCRPIS

Utility Patent 4705910
Type: Other or unclassified name
Group: UTIL
Accessions that have been patented by the US Patent Office

Narrative
Zea mays L. subspp. mays
Genus:
Zea
Family:
Poaceae (alt. Gramineae)
Subfamily:
Panicoideae
Tribe:
Andropogoneae
Subtribe:
Tripsacinae
Nomen number:

311987
Verified:
07/15/1987 by ARS Systematic Botanists.
Other conspecific taxa
Zea mays L. (1531 active accession[s])
Zea mays L. subsp. huehuetenangensis (H. H. Iltis & Doebley) Doebley (6 active accession[s])
Zea mays L. subsp. mexicana (Schrad.) H. H. Iltis (128 active accession[s])
Zea mays L. subsp. parviglumis H. H. Iltis & Doebley (250 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Autonym(s)
Zea mays L. var. mays

Heterotypic Synonym(s)
Common names
LanguageNameAlternate namenoteseqCitation
Englishcorn  1Rehm, S. 1994. Multilingual dictionary of agronomic plants
Englishdent corn  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
Englishfield corn  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
Englishflint corn  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
Englishmaize  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
Englishpod corn  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
Englishpopcorn  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
Englishsweet corn  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
Arabicdura shami  2Boulos, L. 1999-. Flora of Egypt
Chineseyu shu shu玉蜀黍 2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Frenchmaïs  2Demilly, D. et al. 1996. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 6. Note: GEVES-SNES, Beaucouzé, France
GermanMais  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Italiangranoturco  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Italianmais  2International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
Japanese Rōmajitō-morokoshi  2Batra, L. R. 1995. Names of Japanese plants sorted by their Japanese names in Romanized Katakana and scientific nomenclature
Portuguesemilho  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanishmaíz  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedishmajs  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Koreangangnaengi  2Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:134.
Transcribed Koreanogsusu  2Lee, Y. N. 1997. Flora of Korea.
Annotations
Other Links
Link to MaizeGDB Stock Information
PVP Certificate Documents
Actions
Pathogens
Vouchers
Citations
Pedigree
Date released:
1984
Female external name:
Synthetic B
Pollination type:
SELF
Description:
Synthetic B. Synthetic B can be summarized as a random mated population mass selected for tetraploidy each cycle. The C0 was constructed from: (Diploid females = ((25 lines x el/el donor) X (25 lines)S1)) X (Autotetraploid males = a mixture of Syn A + Randolph's Argentine flint + Syn A S1 progenies).
Intellectual Property Rights

U.S. Plant Variety Protection
PVP 8400117
Variety: SX-4-2
Taxonomy: Zea mays L. subsp. mays
Experimental name/synonym: X-4-2
Crop: CORN
Applicant: The Standard Oil Company
Date filed: 05/25/1984
Date issued: 02/28/1986
Status: Certificate Expired
Status date: 02/28/2004

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
COMMENTNotes and RemarksObservations made by cooperators or curators while evaluating or regenerating germplasm. Usually these observations are not published and need verification or there are too few observations of this type to promote a separate trait.TETRAPLOID_YES MAIZE.DONOR Not Available
DISEASEStewarts WiltPlant response to the Stewart's wilt organism (Pantoea stewartii subsp. stewartii (Smith) Mergaert, Verdonck & Kersters) formerly called (Erwinia stewartii (Smith) Dye ). The trait is coded 1-9 with 1 representing the most resistant response and 9 the most susceptible response.4 - (4) Abundant spread bi-directionally in inoculated leaves only.29MAIZE.STEWARTS.NCRPIS.2009PI 601272 06ncai01 SD
GROWTHPlant HeightHeight of the plant from ground level to the top of the tassel at full growth measured in centimeters (cm).219.000005MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYTassel TypeClassification of the amount of tassel branching from no branching to beyond tertiary tassel branching.1 - The tassel has branches, but there are no branches on the primary tassel branches. (40%)5MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYTassel TypeClassification of the amount of tassel branching from no branching to beyond tertiary tassel branching.2 - Branching to secondary tassel branches only. No tertiary tassel branches. (60%)5MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYPeduncle HeightDistance from ground level to the node where the tassel emerges on the central stalk.1685MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYBottom Tassel Branch HeightDistance from ground level to the insertion point on the tassel stem of the bottom tassel branch of the central stalk.1865MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYTop Tassel Branch HeightDistance from ground level to the insertion point on the tassel stem of the upper most tassel branch of the central stalk.1985MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYNode Number Above the EarNumber of Nodes on the main stalk starting at the node above the ear node up to and including the peduncle node.55MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYKernel TypeKERNEL TYPED - SEMIDENT (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYKernel ColorKERNEL COLORB - YELLOW (95%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYKernel ColorKERNEL COLORM - YELLOW CAP (5%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYKernel Row ArrangementARRANGEMENT OF KERNEL ROWS FROM THE BASE TO THE TIP OF THE EAR.1 - REGULAR (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYKernel row NumberNUMBER OF KERNEL ROWS COUNTED ON THE CENTRAL PART OF THE UPPERMOST EAR ON THE PLANT.0125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYEar LengthLENGTH OF THE EAR IN CENTIMETERS.15.5125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYEar DiameterDIAMETER OF THE EAR IN CENTIMETERS MEASURED AT THE CENTRAL PART OF THE UPPERMOST EAR ON THE PLANT.4.1125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYEar HeightHEIGHT OF THE TOP EAR ON THE CENTRAL STALK FROM GROUND LEVEL TO THE NODE WHERE THE EAR ATTACHES TO THE STALK.1065MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYCob ColorCOLOR OF THE COB2 - RED (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYUpper Kernel ShapeSHAPE OF THE UPPER SURFACE OF THE KERNEL.2 - INDENTED (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYEar NumberNUMBER OF EARS WITH KERNELS ON THE MAIN STEM15MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYNode NumberNumber of Nodes on the main stalk from ground level up to and including the peduncle node.135MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYTiller NumberNUMBER OF TILLERS PER PLANT05MAIZE.INC.AMES.2006.MIDPI 601272 05ncfo01 SDNot Available
MORPHOLOGYEndosperm ColorCOLOR OF THE HARD ENDOSPERM LAYER4 - YELLOW (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYEar ShapeSHAPE OF THE UPPERMOST EAR1 - CYLINDRICAL (40%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYEar ShapeSHAPE OF THE UPPERMOST EAR2 - CYLINDRICAL - CONICAL (60%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYAleurone ColorThe color and pattern of the kernel aleurone layer. The first entry represents the color and the second number represents the pattern of that color.11 - COLORLESS / UNIFORM (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYPericarp ColorTHE COLOR AND THE PATTERN OF THE PERICARP. THE FIRST NUMBER IS THE COLOR, THE SECOND NUMBER IS THE PATTERN.11 - COLORLESS / UNIFORM (95%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYPericarp ColorTHE COLOR AND THE PATTERN OF THE PERICARP. THE FIRST NUMBER IS THE COLOR, THE SECOND NUMBER IS THE PATTERN.33 - RED / HALO (5%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYGlume DevelopmentGlume development1 - None (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
MORPHOLOGYColored Silk ScarColored Silk ScarN - Colored silk scar is not present (100%)125MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD
PHENOLOGYGROWING DEGREE UNITS TO SILK FGROWING DEGREE DAYS FROM PLANTING TO 50% SILKING IN DEGREES FARENHEIT.1566 MAIZE.PVP.CERTIFICATE Not Available
PRODUCTION1000 Kernel WeightThe weight of 1000 kernels measured in grams, preferably with the weight adjusted to 10% moisture content.195124MAIZE.INC.AMES.2006.MIDPI 601272 06ncai01 SD