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Storage Behaviour  1000 Seed Weight  Oil Content  Protein Content  Germination  Salt Tolerance  Literature Cited

APG Clade: MONOCOTS - COMMELINOIDS
APG Order: Poales
APG Family: POACEAE
Kew Family: POACEAE
Genus: Chloris
Species Epithet: gayana
Species Author: Kunth


Storage Behaviour

Storage Behaviour: Orthodox
Storage Conditions: Long-term storage under IPGRI preferred conditions at RBG Kew, WP. Oldest collection 5 years

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1000 Seed Weight

Average 1000 Seed Weight(g): 0.3
Details of Component Seed Weights:
  1. 0.2; (Cromarty et al., 1982); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  2. 0.34; (Felfoldi, 1980); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  3. 0.38; cv. Pioneer; (Felfoldi, 1980); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  4. 0.35; cv. Katambora; (Felfoldi, 1980); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  5. 0.39; cv. Callide (giant); (Felfoldi, 1980); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  6. 0.2156; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  7. 0.2304; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  8. 0.2384; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  9. 0.2404; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  10. 0.2544; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  11. 0.324; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  12. 0.342; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  13. 0.348; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  14. 0.3652; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  15. 0.50464; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  16. 0.216; (Baker Seed Herbarium, California); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  17. 0.293; (Baker Seed Herbarium, California); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  18. 0.4; (Earle & Jones, 1962); Caryopsis; Weight refers to seed with 79 % of its outer tissues removed; seed mc not stated, but weight is likely to refer to air-dry seed.
  19. 0.6; (Earle & Jones, 1962); Caryopsis; Weight refers to seed with 79 % of its outer tissues removed; seed mc not stated, but weight is likely to refer to air-dry seed.
  20. 0.2; (Jones & Earle, 1966); Caryopsis; Seed mc not stated, but weight is likely to refer to air-dry seed.
  21. 0.249; (Odgers & Rogers, 1993); Caryopsis; Based on mean weight of 100 air-dry caryopses
  22. 0.4; (McIvor & Howden, 2000); Diaspore; Seed mc not stated.
  23. 0.328; (Jurado et al., 2001); Seed excluding 'dispersal structures'; oven dry
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Germination

  1. 100 % germination (seeds sown: 20); pre-sowing treatments: mechanical manipulation (other covering structure (not seed coat) removed or partially removed. covering structure removed); germination medium: 1% agar; germination conditions: light 8/16; 20C; 7 days; (RBG Kew, Wakehurst Place)
  2. 95 % germination (seeds sown: 20); pre-sowing treatments: mechanical manipulation (other covering structure (not seed coat) removed or partially removed. covering structure removed); germination medium: 1% agar; germination conditions: light 8/16; 25C; 7 days; (RBG Kew, Wakehurst Place)
  3. 80 % germination (seeds sown: 10); germination medium: 1% agar; germination conditions: light 8/16; 20C; 70 days; (RBG Kew, Wakehurst Place)
  4. 77 % germination (seeds sown: 13); germination medium: 1% agar; germination conditions: light 8/16; 25C; 70 days; (RBG Kew, Wakehurst Place)
  5. 80 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 12/12; 33/19C (Therm 12/12); (RBG Kew, Wakehurst Place)
  6. 90 % germination (seeds sown: 20); pre-sowing treatments: mechanical manipulation (other covering structure (not seed coat) removed or partially removed. covering structure removed); germination medium: 1% agar; germination conditions: light 12/12; 26C; (RBG Kew, Wakehurst Place)
  7. 85 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 25C; 28 days; (RBG Kew, Wakehurst Place)
  8. 80 % germination (seeds sown: 10); germination medium: 1% agar; germination conditions: light 8/16; 25C; 42 days; (RBG Kew, Wakehurst Place)
  9. 85 % germination (seeds sown: 20); pre-sowing treatments: mechanical manipulation (other covering structure (not seed coat) removed or partially removed. covering structure removed); germination medium: 1% agar; germination conditions: light 8/16; 20C; 63 days; (RBG Kew, Wakehurst Place)
  10. 80 % germination (seeds sown: 20); pre-sowing treatments: mechanical manipulation (other covering structure (not seed coat) removed or partially removed. covering structure removed); germination medium: 1% agar; germination conditions: light 8/16; 25C; 49 days; (RBG Kew, Wakehurst Place)
  11. 85 % germination (seeds sown: 20); pre-sowing treatments: mechanical manipulation (other covering structure (not seed coat) removed or partially removed. covering structure removed); germination medium: 1% agar; germination conditions: light 8/16; 30C; 49 days; (RBG Kew, Wakehurst Place)
  12. 75 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 20C; 63 days; (RBG Kew, Wakehurst Place)
  13. 90 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 25C; 42 days; (RBG Kew, Wakehurst Place)
  14. 100 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 12/12; 21C; (RBG Kew, Wakehurst Place)
  15. 92 % germination (seeds sown: 13); germination medium: 1% agar; germination conditions: light 8/16; 35/20C (Therm 8/16); 70 days; (RBG Kew, Wakehurst Place)
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Oil Content

Average of Oil Content (%): 4.93
Details of Component Oil Contents:
  1. 5.5; (Jones & Earle, 1966); Entire seed/nut; Moisture content not stated
  2. 4.6; (Earle & Jones, 1962); Entire seed/nut; Moisture content not stated
  3. 4.7; (Earle & Jones, 1962); Entire seed/nut; Moisture content not stated
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Protein Content

Average of Protein Content (%): 22.07
Details of Component Protein Contents:
  1. 21.9; (Earle & Jones, 1962); Entire seed/nut; Moisture content not stated
  2. 21.2; (Earle & Jones, 1962); Entire seed/nut; Moisture content not stated
  3. 23.1; (Jones & Earle, 1966); Entire seed/nut; Moisture content not stated
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Salt Tolerance

  1. Plant Type: psamm; Max dS/m: 8; Photosynthetic Pathway: C3
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Literature Cited
  1. Cromarty, A.S., Ellis, R.H. and Roberts, E.H. 1982. The Design of Seed Storage Facilities for Genetic Conservation. Rome: International Board for Plant Genetic Resources.
  2. Felfoldi, E. 1980. Seed Counts (Numbers of Seeds Per Unit Weight). Technical Report Series, 32. Government of Victoria, Department of Agriculture.
  3. Earle, F.R. and Jones, Q. 1962. Analyses of seed samples from 113 plant families. Economic Botany, 16:221-250.
  4. Jones, Q. and Earle, F.R. 1966. Chemical analyses of seeds II: oil and protein content of 759 species. Economic Botany, 20:127-155.
  5. RBG Kew, Wakehurst Place.
  6. Baker Seed Herbarium, California.
  7. Odgers, B.M. and Rogers, R.W. 1993. Contrasting diaspore and vegetation attributes of grasses from natural and disturbed habitats in an urban eucalypt forest reserve. Australian Journal of Botany, 41:637-648.
  8. McIvor, J.G. and Howden, S.M. 2000. Dormancy and germination charactersistics of herbaceous species in the seasonally dry tropics of northern Australia. Austral Ecology, 25:213-222.
  9. Jurado, E., Estrada, E., Moles, A.T. 2001. Characterizing plant attributes with particular emphasis on seeds in Tamaulipan thornscrub in semi-arid Mexico. Journal of Arid Environments, 48(3):309-321.
  10. Bustanai, M., Weisal, Z., Kuller, J. and Tillman, A.G. 1971. The use of saline water for growing Rhodes grass on coastal sand dunes (In Hebrew). Hassadeh, 51:603-605.
  11. Fischer, M.J. and Skerman, P.J. 1986. Salt tolerant forage plants for summer rainfall areas Reclamation and Revegetation Research, 5:263-284.
  12. Shomer-Ilan, A. 1983. Photosynthetic pathways in the flora of Israel and its ecological significance. B. The Gramineae and the Chenopodiaceae in Israel. (In Hebrew; English summary.). Rotem, 6:5-17.
  13. Shomer-Ilan, A., Samish, A.Y.B. and Kipnis, T. 1979. Effects of salinity, N - nutrition and humidity on photosynthesis and protein metabolism of Chloris gayana Kunth. Plant and Soil, 53:477-486.
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