首页|Heritability and Seasonal Changes in Viscosity of Slash Pine Oleoresin
Heritability and Seasonal Changes in Viscosity of Slash Pine Oleoresin
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Oleoresin viscosity was measured in slash pine (Pinus elliottii var. elliottii) trees of known genetic origin over a l-year period.tstrongbroadsense heritability of this trait was found. Seasonal variation followed a definite pattern, with the highest viscosities occurring in early spring and a gradual decline occurring in late spring and summer. This decline began earlier at the l-foot sampling level than at the 6- or II-foot levels. Aspect from which samples were taken did not affect viscosity.