01457nam a2200313 a 450000100080000000500110000800800410001910000190006024501330007926000520021230000090026450000200027352006260029365000150091965000130093465000100094765000210095765000120097865000160099065000180100665000260102465000150105065000130106565000160107865000120109465000120110665000160111865300090113415632281999-04-22       1986    bl uuuu  m   00u1 u    #d1 aBIANCHETTI, A.  aEffects of moisture content, temperature, and storage intervals on secondary dormancy of seed of loblolly pine (Pinus taeda L.).  aMississippi: Mississippi State Universityc1986  a69p.  aTese Doutorado.  aThe effects of moisture content, temperature, and storage on secondary dormancy were studied in two sizes of loblolly pine seed from two sources, Kemper County, Mississipi and Jasper County, Texas. Moisture content and temperature were the most important factors in inducing secondary dormancy. Length of storage did not strongly influence the percentage of dormant seed. Secondary dormancy was induced by reducing moisture content to 13% or less and/or by exposing seed to temperatures of 23oC or higher for 48 hours. Both seed sources and seed sizes reacted in a similar to treatments used to induce secondary dormancy.  adimensions  adormancy  aPinus  aplant physiology  astorage  atemperature  aArmazenamento  aDormência da Semente  aFisiologia  aPinheiro  aPinus Taeda  aSemente  aTamanho  aTemperatura  aSeed