Study on Semi-sib Family Selection of Quercus Liaotungensis
In order to determine the optimal family of Quercus liaotungensis,superior trees selection and seedling stage tri-als of Quercus liaotungensis was conducted in the Dananping Central Forest Farm of the National Forest Administration Bu-reau of Taiyue Mountain in Shanxi Province.The results showed that the height variation range of 1-year-old sown seedlings of Quercus liaotungensis semi-sib families in the Dananping central forest farm was 10.4 cm～19.6 cm,and the diameter variation range was 0.33 cm～0.56 cm.The height variation range of 2-year-old sown seedlings was 29.7 cm～49.5 cm,and the diameter variation range was 0.51 cm～0.70 cm.There were significant differences in seedling height and diameter between families.Therefore,selecting based on seedling height and diameter could achieve better genetic improvement re-sults.According to the analysis of seedling growth,the 17th,22nd,23rd and 25th families had larger seedling height and diameter and better genetic traits which could be promoted for breeding.Among them,the 23rd family performed the best.
Quercus liaotungensisSuperior trees selectionSeedling stage trialsDananping central forest farm
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NSTL
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