| 摘要 |
<p>The present invention relates to a novel method for the prediction of fibre length and the rapid selection of superior trees for given pulp and paper product lines using a DNA probe. The method comprises the isolation of tree genomic DNA from a hybrid spruce live tissue source, hybridization of the spruce DNA probe to that genomic DNA and the densitometric assessment of the intensity of the hybridization pattern obtained. This determines the precise degree of genetic admixing (or introgression) of the two parent species within the hybrid population. Due to the linear relationship - in the hybrid spruce population examined - between degree of genetic introgression and fibre length (discovered in this method), the intensity of the DNA probe hybridization pattern can be used to directly, accurately and reproducibly predict the fibre length found (for a given tree age) within an individual hybrid spruce within the population.</p> |
