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Storage Behaviour  1000 Seed Weight  Germination  Salt Tolerance  Literature Cited

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


Storage Behaviour

Storage Behaviour: Orthodox p
Storage Conditions: 90% germination after 5 years open storage at room temperature (Comes et al., 1978)

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1000 Seed Weight

Average 1000 Seed Weight(g): 1.94
Details of Component Seed Weights:
  1. 1.125; (Stevens, 1932); Seed; Weight refers to air-dry seed.
  2. 1.125; (Baker Seed Herbarium, California); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  3. 4.98; (Baker Seed Herbarium, California); Seed; Seed mc not stated, but weight is likely to refer to air-dry seed.
  4. 1.238; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
  5. 1.2344; (RBG Kew, Wakehurst Place); Seed; *Seed weights reported may include minor covering structures
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Germination

  1. 90 % germination (seeds sown: 20); pre-sowing treatments: 1. sterilisation (immersed seeds in 10% domestos for 5 minutes); 2. mechanical manipulation (other covering structure (not seed coat) removed or partially removed. covering structure removed); germination medium: 1% agar; germination conditions: light 8/16; 20/10C (Therm 8/16); 21 days; (RBG Kew, Wakehurst Place)
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Salt Tolerance

  1. Plant Type: weedy
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Literature Cited
  1. Comes, R.D., Bruns, V.F. and Kelley, A.D. 1978. Longevity of certain weed and crop seeds in fresh water. Weed Science, 26:336-344.
  2. Stevens, O.A. 1932. The number and weight of seeds produced by weeds. American Journal of Botany, 19:784-794.
  3. RBG Kew, Wakehurst Place.
  4. Baker Seed Herbarium, California.
  5. Dodd, J.D., Coupland, R.T. 1966. Vegetation of saline areas in Saskatchewan. Ecology, 47:958-968.
  6. Loveland, D.G. and Ungar, I.A. 1983. The effect of nitrogen fertilization on the production of halophytes in an inland salt marsh. American Midland Naturalist, 109:346-354.
  7. Mason, H.C. 1957. A flora of the marshes of California. Berkeley: University of California.
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