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Oryza nivara Sharma et Shastry

  • Distribution
    Distribution
  • Habitat
    Habitat
  • Plant
    Plant
  • Plant
    Plant
  • Inflorescence
    Inflorescence
  • Spikelet
    Spikelet

Explanations

Genome designation
AA
Chromosome number
Diploid, 12
Distribution
Continental Southeast Asia, South Asia
Key characteristics
Tufted herb, anthers <3mm. Annual.
Habitat
Open sites, usually shallow, seasonally dry, ponds or edge of irrigation tanks.,
Potentially useful traits
Resistance to biotic stresses (grassy stunt virus), abiotic stresses (drought).
Notes
Cross compatible with O. sativa and O. rufipogon. When sympatric with O. rufipogon reproductive isolation is provided by its earlier flowering. Introgression from O. sativa is commonly seen.
References
Morishima, H., Y. Sano, and H. I. Oka 1984. Differentiation of perennial and annual types due to their habitat conditions in the wild rice Oryza perennis. Plant Syst. Evol. 144:119-135.