Details for: PI 485579, Citrullus amarus Schrad., Tsama melon


Summary Data
Taxonomy:
Citrullus amarus Schrad.
Top Name:
Tsama melon
Origin:
Collected – Namibia
Received by NPGS:
Jan 1984
PI Assigned:
1984
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Availability
FormQuantityNoteInventoryCart
Seed10 countPI 485579 CR02 SD
 
Images (1 total. Click on image for more.)

SEED

Core Passport Data
Taxonomy:
Citrullus amarus Schrad.
Top Name:
Tsama melon
Origin:
Collected – Namibia
Received by NPGS:
Jan 1984
PI Assigned:
1984
Improvement Status:
Wild material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Collected
24 May 1982.
Namibia
Locality: Inside 20 m, Nambian border fence, 198 km N of Kuke Vetrinary cordon fence

Collector(s):
Accession Names and Identifiers
Tsama melon
Type: Local name

M-252
Type: Donor identifier
Murry R. E., Jr.

Narrative
Vine resembling watermelon but fruit not sweet with light green flesh, taste similar to cucumber. Found in fields of melons and in disturbed dry sandy soils
Citrullus amarus Schrad.
Genus:
Citrullus
Family:
Cucurbitaceae
Tribe:
Benincaseae
Nomen number:

468434
Place of publication:

C. F. Ecklon & K. L. P. Zeyher, Enum. pl. afric. austral. 2:279. 1836
Verified:
08/06/2014 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Heterotypic Synonym(s)
Citrullus afer Schrad.
Citrullus caffer Schrad., orth. var.
Citrullus colocynthoides Pangalo
Citrullus lanatus (Thunb.) Matsum. & Nakai var. afer (Schrad.) Mansf., orth. var.
Citrullus lanatus (Thunb.) Matsum. & Nakai var. caffer (Schrad.) Mansf., orth. var.
Citrullus lanatus (Thunb.) Matsum. & Nakai var. citroides (L. H. Bailey) Mansf.
Citrullus vulgaris Schrad. var. citroides L. H. Bailey

Common names
LanguageNameAlternate namenoteseqCitation
Englishbiiter-melon  1Renner. S. S. et al. 2017. Chromosome numbers, Sudanese wild forms, and classification of the watermelon genus Citrullus, with 50 names allocated to seven biological species. Taxon 66:1393-1405. DOI: 10.12705/666.7.
Englishcitron-melon as Citrullus lanatus var. citroides1Bailey, L. H. 1930. Three discussions in Cucurbitaceae. Gentes Herbarum 2:186.
Englishfodder-melon as Citrullus lanatus var. citroides1Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: = Citrullus lanatus subsp. lanatus Citroides Group
Englishpreserving-melon as Citrullus lanatus var. citroides1Bailey, L. H. 1930. Three discussions in Cucurbitaceae. Gentes Herbarum 2:186.
Englishstock-melon as Citrullus lanatus var. citroides1Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Citrullus lanatus var. citroides
Englishtsamma-melon as Citrullus lanatus var. citroides1Levi, A. et al. 2001. Genetic diversity among watermelon (Citrullus lanatus and Citrullus colocynthis) accessions. Genet. Resources Crop Evol. 48:559-566. Note: as Citrullus lanatus var. citroides
Frenchcitre as Citrullus lanatus2PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource).
Frenchméréville as Citrullus lanatus2PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource).
Frenchpastèque à cuire as Citrullus lanatus2PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource).
Frenchpastèque fourragère as Citrullus lanatus2PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource).
GermanFuttermelone as Citrullus lanatus var. citroides2Rehm, S. 1994. Multilingual dictionary of agronomic plants Note: as Citrullus lanatus var. citroides
Portuguese (Portugal)gila  2Renner. S. S. et al. 2017. Chromosome numbers, Sudanese wild forms, and classification of the watermelon genus Citrullus, with 50 names allocated to seven biological species. Taxon 66:1393-1405. DOI: 10.12705/666.7.
Spanish (Spain)gila  2Renner. S. S. et al. 2017. Chromosome numbers, Sudanese wild forms, and classification of the watermelon genus Citrullus, with 50 names allocated to seven biological species. Taxon 66:1393-1405. DOI: 10.12705/666.7.
Transliterated Russiancukatnyj arbuz as Citrullus lanatus var. citroides2Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: = Citrullus lanatus subsp. lanatus Citroides Group
Transliterated Russiankormovoj arbuz as Citrullus lanatus var. citroides2Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: = Citrullus lanatus subsp. lanatus Citroides Group
Annotations
  • Nomenclature Name Change: 06 Aug 2014, from Citrullus lanatus (Thunb.) Matsum. & Nakai var. citroides (L. H. Bailey) Mansf. to Citrullus amarus Schrad.
  • Taxonomic Re-Identification: 10 Jun 1997, from Citrullus colocynthis (L.) Schrad. to Citrullus lanatus (Thunb.) Matsum. & Nakai var. citroides (L. H. Bailey) Mansf.
Other Links
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Pathogens
Vouchers
Citations
Pedigree

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
CHEMICALSeed (entire) oil percentageMean percent seed (entire) oil content17.4 WATERMELON.SEED.OIL.CONTENT.2012 Not Available
DISEASEBacterial fruit blotchResistance to watermelon fruit blotch (Acidovorax avenae subsp. citrulli).2 - (1 = Resistant, 9 = Susceptible) WATERMELON.BFB.2020 Not Available
DISEASEBacterial fruit blotchResistance to watermelon fruit blotch (Acidovorax avenae subsp. citrulli).9 - Susceptible (large lesions on cotyledon and first true leaf, or dead plant) WATERMELON.BFB.1995 Not Available
GENSTOCKPloidyPloidy2X S9.WATERMELON Not Available
NEMATODERoot-knot nematode egg race 1 Resistance to root-knot nematode Race 1 (Meloidogyne arenaria and Meloigoyne incognita) evaluated for egg mass production6 - 39% to 50% egg mass production Excel Spreadsheet or as an HTML webpage.

The primary criterion for designating resistance and susceptibility of the accessions was the root gall severity index. Egg mass data was also presented because it provides additional information about the reaction of the accessions to Meloidogyne arenaria race 1. However, accessions were considered resistant only if both the root gall index and the egg mass index were <= 4.9. 'Charleston Gray', 'Crimson Sweet', and 'Dixie Lee' were included as susceptible check cultivars in all tests. Only one C. lanatus var. lanatus accession, PI 459074, could be classified as low resistance [root gall index (GI) = 4.9 and egg mass index (EMI) = 3.10]. All C. colocynthis accessions were highly susceptible (GI range = 8.5 to 9.0 and EMI range = 5.00 to 9.00). Twenty C. lanatus var. citroides accessions appeared moderately resistant with a GI = 3.1 to 4.0, but none were highly resistant.">WATERMELON.ROOTKNOT.NEMATODE.2003

 Not Available
NEMATODERoot-knot nematode gall race 1Resistance to root-knot nematode Race 1 (Meloidogyne arenaria and Meloigoyne incognita) evaluated for galling severity6 - 39% to 50% gall severity Excel Spreadsheet or as an HTML webpage.

The primary criterion for designating resistance and susceptibility of the accessions was the root gall severity index. Egg mass data was also presented because it provides additional information about the reaction of the accessions to Meloidogyne arenaria race 1. However, accessions were considered resistant only if both the root gall index and the egg mass index were <= 4.9. 'Charleston Gray', 'Crimson Sweet', and 'Dixie Lee' were included as susceptible check cultivars in all tests. Only one C. lanatus var. lanatus accession, PI 459074, could be classified as low resistance [root gall index (GI) = 4.9 and egg mass index (EMI) = 3.10]. All C. colocynthis accessions were highly susceptible (GI range = 8.5 to 9.0 and EMI range = 5.00 to 9.00). Twenty C. lanatus var. citroides accessions appeared moderately resistant with a GI = 3.1 to 4.0, but none were highly resistant.">WATERMELON.ROOTKNOT.NEMATODE.2003

 Not Available
SUBSETCore subsetA flag to indicate the accession is part of the core subsetY - Yes, accession is part of the core subset WATERMELON.CORE Not Available
SUBSETImageImage present in GRIN databaseSeed - Image of seed WATERMELON.IMAGE.SEEDPI 485579 01 SDNot Available