Seed Information Database

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Storage Behaviour  1000 Seed Weight  Oil Content  Protein Content  Seed Dispersal  Germination  Literature Cited

APG Clade: MONOCOTS - COMMELINOIDS
APG Order: Poales
APG Family: POACEAE
Kew Family: POACEAE
Genus: Chloris
Species Epithet: virgata
Species Author: Sw.


Storage Behaviour

Storage Behaviour: Orthodox
Storage Conditions: Long-term storage under IPGRI preferred conditions at RBG Kew, WP. Oldest collection 7 years

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1000 Seed Weight

Average 1000 Seed Weight(g): 0.3
Details of Component Seed Weights:
  1. 0.163; (Sen, 1982); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  2. 0.18208; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  3. 0.2124; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  4. 0.21612; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  5. 0.2168; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  6. 0.2248; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  7. 0.2284; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  8. 0.2448; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  9. 0.2464; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  10. 0.2516; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  11. 0.2632; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  12. 0.28; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  13. 0.3328; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  14. 0.3596; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  15. 0.4176; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  16. 0.422; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  17. 0.45024; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  18. 0.4728; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  19. 0.474; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  20. 0.6428; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  21. 0.1; (Jones & Earle, 1966); Caryopsis; Weight refers to seed with 86 % of its outer tissues removed; seed mc not stated, but weight is likely to refer to air-dry seed.
  22. 0.24; (Ernst et al., 1992); Caryopsis; SE=0.03; seed mc not stated, but weight is likely to refer to air-dry seed.
  23. 0.108; (Odgers & Rogers, 1993); Caryopsis; Based on mean weight of 100 air-dry caryopses
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Seed Dispersal

  1. Wind; Diaspore is rolled along ground surface by wind; Method not stated; (Sen, 1982); Diaspore=spikelet. The diaspore has spiny, spiky, hooked or barbed projections or awns. Detached spikelets are blown along ground surface by wind.
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Germination

  1. 92 % germination (seeds sown: 50); germination medium: 1% agar with 101mg/l Potassium Nitrate (KNO3); germination conditions: light 12/12; 21C; (RBG Kew, Wakehurst Place)
  2. 94 % germination (seeds sown: 37); pre-sowing treatments: surgical (seed coat partially removed with scalpel. seed coat chipped); germination medium: 1% agar with 101mg/l Potassium nitrate (KNO3); germination conditions: light 12/12; 33/19C (Therm 12/12); (RBG Kew, Wakehurst Place)
  3. 65 % germination (seeds sown: 20); germination medium: 1% agar with 101mg/l Potassium Nitrate (KNO3); germination conditions: light 12/12; 21C; 42 days; (RBG Kew, Wakehurst Place)
  4. 50 % germination (seeds sown: 16); germination medium: 1% agar with 101mg/l Potassium Nitrate (KNO3); germination conditions: light 8/16; 35/20C (Therm 8/16); 56 days; (RBG Kew, Wakehurst Place)
  5. 94 % germination (seeds sown: 17); pre-sowing treatments: 1. mechanical manipulation (other covering structure (not seed coat) removed or partially removed with scalpel); 2. surgical (excise pericarp along proximal to distal ridge above embryo-bacon slice with scalpel); germination medium: 1% agar; germination conditions: light 8/16; 25C; 34 days; (RBG Kew, Wakehurst Place)
  6. 100 % germination (seeds sown: 20); pre-sowing treatments: surgical (seed coat partially removed with scalpel. seed coat chipped); germination medium: 1% agar with 101mg/l Potassium nitrate (KNO3); germination conditions: light 12/12; 23/9C (Therm 12/12); (RBG Kew, Wakehurst Place)
  7. 50 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 12/12; 30C; 48 days; (RBG Kew, Wakehurst Place)
  8. 61 % germination (seeds sown: 18); germination medium: 1% agar; germination conditions: light 8/16; 20C; 42 days; (RBG Kew, Wakehurst Place)
  9. 80 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 35/20C (Therm 8/16); 56 days; (RBG Kew, Wakehurst Place)
  10. 85 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 12/12; 23/9C (Therm 12/12); (RBG Kew, Wakehurst Place)
  11. 95 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 35/20C (Therm 8/16); 28 days; (RBG Kew, Wakehurst Place)
  12. 90 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 25/10C (Therm 8/16); 70 days; (RBG Kew, Wakehurst Place)
  13. 100 % germination (seeds sown: 10); germination medium: 1% agar; germination conditions: light 8/16; 25C; 7 days; (RBG Kew, Wakehurst Place)
  14. 96 % germination (seeds sown: 25); germination medium: 1% agar; germination conditions: light 8/16; 20C; 14 days; (RBG Kew, Wakehurst Place)
  15. 96 % germination (seeds sown: 25); germination medium: 1% agar; germination conditions: light 8/16; 25C; 14 days; (RBG Kew, Wakehurst Place)
  16. 100 % germination (seeds sown: 10); germination medium: 1% agar; germination conditions: light 8/16; 20C; 7 days; (RBG Kew, Wakehurst Place)
  17. 100 % germination (seeds sown: 10); germination medium: 1% agar; germination conditions: light 8/16; 25C; 7 days; (RBG Kew, Wakehurst Place)
  18. 68 % germination (seeds sown: 25); germination medium: 1% agar; germination conditions: light 8/16; 20C; 42 days; (RBG Kew, Wakehurst Place)
  19. 72 % germination (seeds sown: 50); germination medium: 1% agar; germination conditions: light 8/16; 25C; 49 days; (RBG Kew, Wakehurst Place)
  20. 78 % germination (seeds sown: 19); germination medium: 1% agar; germination conditions: light 12/12; 26C; (RBG Kew, Wakehurst Place)
  21. 85 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 20C; 56 days; (RBG Kew, Wakehurst Place)
  22. 75 % germination (seeds sown: 20); germination medium: 1% agar; germination conditions: light 8/16; 25C; 56 days; (RBG Kew, Wakehurst Place)
  23. 100 % germination (seeds sown: 20); pre-sowing treatments: surgical (excise pericarp along proximal to distal ridge above embryo-bacon slice); germination medium: 1% agar; germination conditions: light 8/16; 35/20C (Therm 8/16); 21 days; (RBG Kew, Wakehurst Place)
  24. 83 % germination (seeds sown: 12); germination medium: 1% agar; germination conditions: light 8/16; 25C; 91 days; (RBG Kew, Wakehurst Place)
  25. 90 % germination (seeds sown: 20); pre-sowing treatments: surgical (excise pericarp along proximal to distal ridge above embryo-bacon slice); germination medium: 1% agar; germination conditions: light 12/12; 30C; 22 days; (RBG Kew, Wakehurst Place)
  26. 53 % germination (seeds sown: 49); germination medium: 1% agar; germination conditions: light 12/12; 20C; 84 days; (RBG Kew, Wakehurst Place)
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Oil Content

Average of Oil Content (%): 10.7
Details of Component Oil Contents:
  1. 10.7; (Jones & Earle, 1966); Entire seed/nut; Moisture content not stated
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Protein Content

Average of Protein Content (%): 28.1
Details of Component Protein Contents:
  1. 28.1; (Jones & Earle, 1966); Entire seed/nut; Moisture content not stated
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Literature Cited
  1. Jones, Q. and Earle, F.R. 1966. Chemical analyses of seeds II: oil and protein content of 759 species. Economic Botany, 20:127-155.
  2. Sen, D.N. 1982. Environment and Plant Life in Indian Desert. Geobios International, Jodhpur, India.
  3. RBG Kew, Wakehurst Place.
  4. Ernst., W.H.O., Veenendaal, E.M. and Kebakile, M.M. 1992. Possibilities for dispersal in annual and perennial grasses in a savanna in Botswana. Plant Ecology, 102(1):1-11.
  5. 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.
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