因此，按照要求定向培育草原田鼠变种有助于进行研究。
Being able to create genetic variants of prairie voles to order would therefore be helpful to research.
定向培育阔叶树工业人工林是解决我国木材紧张局面的根本途径。
Oriented cultivation of hardwood industrial plantation was the fundamental way to resolve the tense situation of Chinas' timber.
结果表明：杉间材物理力学性质较天然林差。为杉木的定向培育。
The results show that the physical and mechanical properties of middle cutting wood of Cunninghamia lanceolata are inferior to those from natural forest.
为解决苗木培育与造林相脱节的问题，本文首次提出了苗木定向培育的概念。
In order to address the issue of disconnection between seedling cultivation and forestation, the author first puts forwards the concept of directed cultivation of seedlings.
研究结果对森林定向培育和木材加工利用具有重要的理论意义和实际应用价值。
The results were provided with important theoretic and realistic values for forest oriented cultivation and wood processing utilizing.
因此杨树木材的解剖结构可以作为评价杨树材性、品质的指标和选种育种及定向培育的重要依据。
So the important basis that the dissection structure of the poplar timber can be cultivated as the index, seed selection breeding and orientation of appraising the poplar material, quality.
采用生物技术与常规育种方法相结合，分离棉花抗病相关基因，定向培育抗病新品种，是控制病害最简单易行且行之有效的途径。
Applied with combination of biotechnology and traditional breeding, we can screen cotton resistance-related genes, cultivate new breed directionally which is the easiest way to control disease.
竹子遗传改良工作今后着眼于定向培育营养价值高、风味好的笋用竹种，抗旱、耐久、纤维素含量高的纸浆竹种及观赏性强的园林竹种。
Hereafter, bamboo breeding should focus on those species for nutritious and tasty shoot, for pulp-making with drought-resistance and durability, and for ornamental use.
竹子遗传改良工作今后着眼于定向培育营养价值高、风味好的笋用竹种，抗旱、耐久、纤维素含量高的纸浆竹种及观赏性强的园林竹种。
Hereafter, bamboo breeding should focus on those species for nutritious and tasty shoot, for pulp-making with drought-resistance and durability, and for ornamental use.
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