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Storage Behaviour  1000 Seed Weight  Germination  Literature Cited

APG Clade: MONOCOTS - COMMELINOIDS
APG Order: Poales
APG Family: POACEAE
Kew Family: POACEAE
Genus: Sporobolus
Species Epithet: indicus
Species Author: (L.) R.Br.

Storage Behaviour

Storage Behaviour: Orthodox
Storage Conditions: Long-term storage under IPGRI preferred conditions at RBG Kew, WP. Oldest collection 13 years; germination change 100 to 75%, 11 years, 1 collection

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1000 Seed Weight

Average 1000 Seed Weight(g): 0.2
Details of Component Seed Weights:
  1. 0.18684; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  2. 0.234; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  3. 0.0892; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  4. 0.1; (McIvor & Howden, 2000); Diaspore; Seed mc not stated.
  5. 0.215; (Odgers & Rogers, 1993); Caryopsis; Based on mean weight of 100 air-dry caryopses
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Germination

  1. 100 % germination (seeds sown: 20); pre-sowing treatments: surgical (seed coat partially removed with scalpel. seed coat chipped); germination medium: 1% agar; germination conditions: light 12/12; 33/19°C (Therm 12/12); (RBG Kew, Wakehurst Place)
  2. 100 % germination (seeds sown: 20); pre-sowing treatments: surgical (seed coat partially removed with scalpel. seed coat chipped); germination medium: 1% agar; germination conditions: light 12/12; 33/19°C (Therm 12/12); (RBG Kew, Wakehurst Place)
  3. 88 % germination (seeds sown: 50); germination medium: 1% agar; germination conditions: light 12/12; 33/19°C (Therm 12/12); (RBG Kew, Wakehurst Place)
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Literature Cited
  1. RBG Kew, Wakehurst Place.
  2. 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.
  3. 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.
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