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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: Cenchrus
Species Epithet: incertus
Species Author: M.A.Curtis


Storage Behaviour

Storage Behaviour: Orthodox p
Storage Conditions: 23% 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): 4.98
Details of Component Seed Weights:
  1. 4.98; (Jurado et al., 2001); Seed excluding 'dispersal structures'; oven dry
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Germination

  1. 70 % germination (seeds sown: 10); 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; 15C; 42 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; 25/10C (Therm 8/16); 42 days; (RBG Kew, Wakehurst Place)
  3. 78 % germination (seeds sown: 18); germination medium: 1% agar; germination conditions: light 8/16; 25/10C (Therm 8/16); 42 days; (RBG Kew, Wakehurst Place)
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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. RBG Kew, Wakehurst Place.
  3. 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.
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