Dormancy of Arabidopsis seeds and barley grains can be broken by nitric oxide

  title={Dormancy of Arabidopsis seeds and barley grains can be broken by nitric oxide},
  author={Paul C Bethke and Frank Gubler and John Jacobsen and Russell L. Jones},
Seeds of Arabidopsis thaliana (L.) Heynh. and grains of barley (Hordeum vulgare L.) were used to characterize the affects of nitric oxide (NO) on seed dormancy. Seeds of the C24 and Col-1 ecotypes of Arabidopsis are almost completely dormant when freshly harvested, but dormancy was broken by stratification for 3 days at 4°C or by imbibition of seeds with the NO donor sodium nitroprusside (SNP). This effect of SNP on dormancy of Arabidopsis seeds was concentration dependent. SNP concentrations… CONTINUE READING
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