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Storage Behaviour  1000 Seed Weight  Seed Dispersal  Germination  Literature Cited

APG Clade: MONOCOTS - COMMELINOIDS
APG Order: Poales
APG Family: POACEAE
Kew Family: POACEAE
Genus: Briza
Species Epithet: minor
Species Author: L.
Life Form: ther.


Storage Behaviour

Storage Behaviour: Orthodox
Storage Conditions: Long-term storage under IPGRI preferred conditions at RBG Kew, WP. Oldest collection 15 years; average germination change 94.5 to 87.5%, mean storage period 13 years, 2 collections

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1000 Seed Weight

Average 1000 Seed Weight(g): 0.35
Details of Component Seed Weights:
  1. 0.192; (Rodgers & Whalley, 1989); Seed
  2. 0.284; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  3. 0.2832; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  4. 0.6572; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  5. 0.3872; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  6. 0.108; (Odgers & Rogers, 1993); Caryopsis; Based on mean weight of 100 air-dry caryopses
  7. 0.288; (Baker Seed Herbarium, California); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  8. 0.6; (Baker Seed Herbarium, California); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
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Seed Dispersal

  1. Wind; Diaspore is blown by wind; Assumption based upon diaspore morphology; (McIntyre et al., 1995)
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Germination

  1. 91 % germination (seeds sown: 100); germination medium: 1% agar; germination conditions: light 12/12; 21C; (RBG Kew, Wakehurst Place)
  2. 98 % germination (seeds sown: 100); germination medium: 1% agar; germination conditions: light 12/12; 21C; (RBG Kew, Wakehurst Place)
  3. 98 % germination (seeds sown: 50); germination medium: 1% agar; germination conditions: light 8/16; 25/10C (Therm 8/16); 70 days; (RBG Kew, Wakehurst Place)
  4. 90 % germination (seeds sown: 50); germination medium: 1% agar; germination conditions: light 8/16; 25C; 70 days; (RBG Kew, Wakehurst Place)
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Literature Cited
  1. RBG Kew, Wakehurst Place.
  2. Baker Seed Herbarium, California.
  3. 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.
  4. McIntyre, S., Lavorel, S. and Tremont, R.M. 1995. Plant life-history attributes: their relationship to disturbance response in herbaceous vegetation. Journal of Ecology, 83:31-44.
  5. Rogers, R.W. and Whalley, R.D.B. 1989. The relationship between diaspore characteristics and distribution of grasses around sheep camps on the Northern Tablelands of N.S.W. Australian Journal of Botany, 37:501-510.
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