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1)  valuable indigenous broadleaved species
珍优乡土阔叶树种
2)  superior indigenous broad leaved tree species
优良乡土阔叶树种
3)  valuable hardwood species
珍优阔叶树种
1.
Large-size timber plantation of valuable hardwood species can combine high-quality hardwood production with biodiversity conservation and great pursuit on ecological benefit and stability of forest ecosystem,and successfully achieve forest sustainable management.
在我国南亚热带地区培育珍优阔叶树种大径材人工林,可以兼顾珍贵用材生产和生物多样性保护、生态效益最大化追求、森林生态系统稳定性维持,实现森林可持续经营。
4)  native broad-leaved tree species
乡土阔叶树种
1.
Growth and rhizospheric fertility of 10 native broad-leaved tree species in Shixing County,North Guangdong were studied.
2003年在始兴县进行10种粤北乡土阔叶树种选择研究。
2.
The sapling growth of 10 native broad-leaved tree species in the first year and the second year after transplanting to an experimental site of Zengcheng was studied.
调查了增城市林科所生态公益林试验地 10种乡土阔叶树种造林后 1年生与 2年生幼树的早期生长。
5)  indigenous broad-leaved species
乡土阔叶树种
1.
Six indigenous broad-leaved species including Castanopsis hystrix,Michelia macclurei,Choerospondias axillaris,Liquidambar formosana,Schima superba and Elaeocarpus sylvestris were planted at harvested sites of Chinese fir, respectively.
在粤北杉木采伐迹地种植红锥、火力楠、南酸枣、枫香、山杜英、荷木等6个乡土阔叶树种,通过杉木萌芽更新形成杉阔混交林,5年后对其林分生长和水源涵养特性进行了比较研究。
2.
Low-benefit forests of Pinus massoniana were reconstructed in 2002 with seven indigenous broad-leaved species such as Castanopsis hystrix,Mytilaria laosensis,Michelia macclurei,Choerospondias axillaris,Liquidambar formosana,Elaeocarpus sylvestris and Schima superba,and the forest growth performance and soil moisture physical characteristics were investigated after five years.
2002年在马尾松残次林下套种红锥、米老排、火力楠、南酸枣、枫香、山杜英、荷木等7个乡土阔叶树种,5年后对其林分生长和土壤水分物理性质进行了研究。
6)  Precious broad-foliage trees
珍优阔叶树
补充资料:主要造林阔叶树种良种选育程序与要求
    1主题内容与适用范围本标准规定了主要造林阔叶树种良种选育的程序、要求及良种鉴定。本标准适用于主要造林阔叶树种的良种选育。
    2引用标准GB2772林木种子检验方法GB10013主要针叶造林树种优树子代遗传测定GB10018主要针叶造林树种优树选择技术GB/T14071林木良种审定规范。
    3术语
    3.1选育材料materialoftheselectionandbreeding指用于良种选育的群体、家系和无性系,包括选择育种、杂交育种、引种等各个系统的原始材料。
    3.2育种程序breedingprocedure在树木遗传改良理论指导下,根据育种目标从育种材料开始,包括有性和无性选育材料的繁殖、测定、选择,直至获得新品种(良种)的全部有序过程。(源自:呼伦贝尔森防信息网)
    
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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