Details for: PI 707449, Sorghum bicolor (L.) Moench, Sorghum, Milo


Summary Data
Taxonomy:
Sorghum bicolor (L.) Moench
Top Name:
Sorghum, Milo
Origin:
–
Received by NPGS:
21 Feb 2025
Reproductive Uniformity:

Population
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Availability
This accession is not available. Contact site for status.
 
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Core Passport Data
Taxonomy:
Sorghum bicolor (L.) Moench
Top Name:
Sorghum, Milo
Origin:
–
Received by NPGS:
21 Feb 2025
Reproductive Uniformity:

Population
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Accession Names and Identifiers
Sorghum, Milo
Type: Local name

23PR_140
Type: Plot

Narrative
The sorghum ARS_BTX623_NAM_ESCT population is composed of three biparental parental subpopulations with a total of 769 recombinant inbred lines (F7-F8 RILs) entries. The biparental subpopulations are referred to as: BTx623xHKZ; BTx623xNSZ and BTx623x Kaoliang. This population includes new sorghum germplasm that displayed transgressive segregation compared to cold tolerant parent based on germinability(>than 70%), field emergence (60-80%) and seedling vigor (robust score of 1.5-2.5 on a scale of 1 (robust vigor) to 5 (poor vigor), traits that are needed for early season cold tolerance in US production settings. Majority of RILs displayed combine height of 1-1.4 m and flowering time of 70-75 days. The genotype data for ARS_BTX623_NAM_ESCT population is archived at NCBI sequence read archive under project SRP8838986 [(1) Marla et al., 2019, Genes|Genomes|Genetics]. The population served as primary genetic resource for successful identification and application of DNA markers that are useful for improvement of sorghum chilling tolerance [(2)Marla et al., 2023, Genes|Genomes|Genetics]. The availability of published advanced genetics and information on sorghum chilling tolerance made this NAM population highly valuable for public availability as it is actually in use as germplasm for detailed physiological studies of sorghum chilling tolerance by various public and private research groups. References: (1)Marla et al., 2019. Genetic architecture of chilling tolerance in sorghum dissected with a nested association mapping population. G3, 9:4045-4097; (2)Marla et al., 2023.Genomics and phenomics enabled prebreeding improved early season chilling tolerance in sorghum. G3, 13:jkad116.
Sorghum bicolor (L.) Moench
Genus:
Sorghum
Section:
Sorghum
Family:
Poaceae (alt. Gramineae)
Subfamily:
Panicoideae
Tribe:
Andropogoneae
Subtribe:
Sorghinae
Nomen number:

35092
Place of publication:

Methodus 207. 1794
Comment:
for weedy sorghums see Sorghum bicolor nothosubsp. drummondii
Verified:
03/05/2008 by ARS Systematic Botanists.
Other conspecific taxa
Sorghum bicolor (L.) Moench nothosubsp. drummondii (Steud.) de Wet ex Davidse (88 active accession[s])
Sorghum bicolor (L.) Moench subsp. bicolor (45835 active accession[s])
Sorghum bicolor (L.) Moench subsp. verticilliflorum (Steud.) de Wet ex Wiersema & J. Dahlb. (61 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Common names
LanguageNameAlternate namenoteseqCitation
Englishgreat millet  1Botanical Society of the British Isles. BSBI taxon database (on-line resource).
EnglishRhodesian Sudan grass  1Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
Englishsorghum  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English (Canada)sorghum  Agriculture & Agri-Food Canada official name2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 48-49.
French (Canada)sorgho commun Agriculture & Agroalimentaire Canada nom officiel2Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 48-49.
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Pedigree
Description:
The pedigree of ARS_BTx623NAM_ESCT population was derived from common parent, BTx623, a combine sorghum with low germination during early season planting in major US sorghum growing areas.The common parent, BTx623, was crossed separately to cold tolerant HongKeZi(PI 567946), NiuShengZui(PI 568016) and Kaoliang(PI 562744). Each recombinant inbred line(RIL) was developed by single seed descent for five generations, then bulked from ten uniform plants per line at F6 generation.

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
SUBSETARS_BTx623_NAM_ESCT_23PRGenetic Architecture of Chilling Tolerance in Sorghum Dissected with a Nested Association Mapping PopulationY - Yes, the accession is part of the Sorghum ARS_BTx623_NAM_ESCT_23PR SORGHUM.ARS.BTx623.NAM.ESCT.23PR Not Available