The seeds collected from 168 clones of open pollination progenies of Pinus massoniana in the seed orchard ,Nanning Prefecture Institute of Forestry, were used for one parent progeny test in the field in 1988. In terms of 11 years' observation, there are 163,153 and 156 families which are better than control in tree height, breast height diameter and timber volume respectively, accounting for 970%,91 0% and 92 9% of the participated families respectively. Fifty seven families enter in a list of optimal fa...
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