The volatile oil constituents in leaves of \%Tsuga chinensis \%(Franch.) Pritz. var. \%tchekiangensis \%(Flous) Cheng et L. K. Fu and leaves and shoots of \%T. longibracteata \%Cheng are reported first time. Seventy\|...The volatile oil constituents in leaves of \%Tsuga chinensis \%(Franch.) Pritz. var. \%tchekiangensis \%(Flous) Cheng et L. K. Fu and leaves and shoots of \%T. longibracteata \%Cheng are reported first time. Seventy\|three, ninety\|one and fifty\|five of volatile oil components were identified with GC/MC, respectively in the leaves of \%T. chinensis \%var. \%tchekiangensis \%and \%T. longibracteata \%and in the shoots of \%T. longibracteata. \%Of which, monoterpines and sesquiterpines are the main components. The results of analyses showed the difference of the volatile oil constituents between the two species.展开更多
Results of the study on the tree′s diameter and height of \%Tsuga longibracteata \%Cheng and its natural regeneration showed that slower but longer continuous growth in present in this species. Regenaration can be oc...Results of the study on the tree′s diameter and height of \%Tsuga longibracteata \%Cheng and its natural regeneration showed that slower but longer continuous growth in present in this species. Regenaration can be occurred under the canopy density of 0.1~0.2, single tree′s regeneration radius is over 50 m.展开更多
文摘The volatile oil constituents in leaves of \%Tsuga chinensis \%(Franch.) Pritz. var. \%tchekiangensis \%(Flous) Cheng et L. K. Fu and leaves and shoots of \%T. longibracteata \%Cheng are reported first time. Seventy\|three, ninety\|one and fifty\|five of volatile oil components were identified with GC/MC, respectively in the leaves of \%T. chinensis \%var. \%tchekiangensis \%and \%T. longibracteata \%and in the shoots of \%T. longibracteata. \%Of which, monoterpines and sesquiterpines are the main components. The results of analyses showed the difference of the volatile oil constituents between the two species.
文摘Results of the study on the tree′s diameter and height of \%Tsuga longibracteata \%Cheng and its natural regeneration showed that slower but longer continuous growth in present in this species. Regenaration can be occurred under the canopy density of 0.1~0.2, single tree′s regeneration radius is over 50 m.