There are significant differences between full-sib family of Eucalyptus maidenii and site as well interaction between site and family.

Analysis and Evaluation on Idioplasmic Resource of Ginkgo biloba s Half-sib;

Study on Physiological Response of the Activity of Cell Defense Enzymes and Lipid Peroxidation of Slash Pine’s Half-sib under Water Stress;

Study on Response to Photosynthetic Characters of Slash Pine s Half-sib Under Water Stress;

The study on half-sib family s experimental forest of 20-year-old mason pine show that there are obvious difference among height and resin productivity; and resin productivity was effected very small by temperature, relative humidity and rainfall, but it was influenced evidently by its growth.

Half-sib family growth characters and genetic parameters on 27-year old introducted Japanese black pine and Japanese red pine elites in Zhulin temple of Montain Tai were studied.

Study on half-sib family of seed orchard of Larix kaempferi at 15-yr-old;

）half-sib families and twenty clones at ten year s age have been studied on the genetic variations of 21 growth, morphological, physiological and biochemical characters.

The study on half sib familys experimental forest of 15 year old Massons pine show that there are obvious difference among height, DBH, resin yielding ability, wood specific gravity and tracheid length.