Castanopsis tibetana of five different provenances (Jinxiu, Longsheng, Ziyuan, Hezhou and Leye) were selected as experimental materials to investigate the effects of treatments combining different root lengths and c...Castanopsis tibetana of five different provenances (Jinxiu, Longsheng, Ziyuan, Hezhou and Leye) were selected as experimental materials to investigate the effects of treatments combining different root lengths and contents of rooting agent on the growth of C. tibetana after transplanting of seedlings. The results showed that, there were significant differences in the preserving rate of C. tibetana seedlings between different provenances and different treatments. Among the 5 treatments, the seedlings of Hezhou provenance showed the maximum annual increment of ground diameter, and the seedlings of Ziyuan provenance exhibited the maximum annual increment of seedling height. Therefore, the germplasm from Hezhou provenance might be better than those from other provenances.展开更多
文摘Castanopsis tibetana of five different provenances (Jinxiu, Longsheng, Ziyuan, Hezhou and Leye) were selected as experimental materials to investigate the effects of treatments combining different root lengths and contents of rooting agent on the growth of C. tibetana after transplanting of seedlings. The results showed that, there were significant differences in the preserving rate of C. tibetana seedlings between different provenances and different treatments. Among the 5 treatments, the seedlings of Hezhou provenance showed the maximum annual increment of ground diameter, and the seedlings of Ziyuan provenance exhibited the maximum annual increment of seedling height. Therefore, the germplasm from Hezhou provenance might be better than those from other provenances.