降香黄檀（Dalbergia odorifera T．Chen），又名黄花梨，是蝶形花科黄檀属的一种半落叶乔木，为我国名贵的特种商品材，国产天然分布的两种珍稀红木树种之一；另一种为黑黄檀（Dalbergia fuscavar．enneandra Zou et Liu），属国家二...降香黄檀（Dalbergia odorifera T．Chen），又名黄花梨，是蝶形花科黄檀属的一种半落叶乔木，为我国名贵的特种商品材，国产天然分布的两种珍稀红木树种之一；另一种为黑黄檀（Dalbergia fuscavar．enneandra Zou et Liu），属国家二级保护树种,原产于海南岛。目前，受经济利益的驱使，降香黄檀盗砍乱伐现象非常严重，保存的优质资源极度贫乏。展开更多
Reproductive techniques for the new variety Qinzhong No.1～4 of Eucommia ulmoides were studied to resolve the bottleneck problem of being difficult to be cultivated in large areas.These problems are mainly lie in diff...Reproductive techniques for the new variety Qinzhong No.1～4 of Eucommia ulmoides were studied to resolve the bottleneck problem of being difficult to be cultivated in large areas.These problems are mainly lie in difficult rooting in cutting and tissue culture propagation,material deficiency in root burying propagation,low survival rate of branch grafting and budding in spring etc.A new propagation method of budding in Eucommia ulmoides was summarized in this study.Higher propagation coefficient and survival rate was achieved by using this budding method on the propagation of Qinzhong No.1～4(the survival rate was up to 97%).Effect of variety improvement and large tree crow can be achieved by cutting the mature tree(10～13 a)and budding with the new propagation method.In July of the second year after grafting,the new shoot biomass can be up to 135.4 cm and the tree crow can be 105.6 cm.展开更多
文摘降香黄檀（Dalbergia odorifera T．Chen），又名黄花梨，是蝶形花科黄檀属的一种半落叶乔木，为我国名贵的特种商品材，国产天然分布的两种珍稀红木树种之一；另一种为黑黄檀（Dalbergia fuscavar．enneandra Zou et Liu），属国家二级保护树种,原产于海南岛。目前，受经济利益的驱使，降香黄檀盗砍乱伐现象非常严重，保存的优质资源极度贫乏。
文摘Reproductive techniques for the new variety Qinzhong No.1～4 of Eucommia ulmoides were studied to resolve the bottleneck problem of being difficult to be cultivated in large areas.These problems are mainly lie in difficult rooting in cutting and tissue culture propagation,material deficiency in root burying propagation,low survival rate of branch grafting and budding in spring etc.A new propagation method of budding in Eucommia ulmoides was summarized in this study.Higher propagation coefficient and survival rate was achieved by using this budding method on the propagation of Qinzhong No.1～4(the survival rate was up to 97%).Effect of variety improvement and large tree crow can be achieved by cutting the mature tree(10～13 a)and budding with the new propagation method.In July of the second year after grafting,the new shoot biomass can be up to 135.4 cm and the tree crow can be 105.6 cm.
