The application of both methods of hybridization - sexual and asexual - is remarkable in ancient China.
杂交分有性杂交和无性杂交，这两种方法在我国古代的应用都是相当突出的。
The asexual hybridization technology is well developed after several years of trials.
无性杂交技术经过几年的发展已经逐渐成熟了。
A Primary Study on Nonsexual Cross of Haw-Apple by Using Text Tube Grafting
用试管嫁接进行山楂-苹果无性杂交研究初报
The Study on Photosynthetic Character of Different Hybrid Tulip Tree Clones
杂交鹅掌揪无性系苗期光合特性研究
Comparison of drought resistance of six hybrid tulip clones
6个杂交鹅掌楸无性系的抗旱性比较
Tissue Culture and Cloning of Hybride Seeds of Eucommia ulmoides
杜仲杂交子代的组织培养及无性系化
The hybridization method of asexuality combined with sexuality was used to overcome the infertility after hybridization.
采取无性与有性杂交相结合的方法克服杂交不孕。
Study and Appraise on the Stress of Poplar Clones;
几个杨树杂交无性系抗逆性研究与评价
Those sets of chromosomes come from the varieties originally crossbred to create the clone.
这两种葡萄来源于皮诺瓦品种的杂交无性后代。
Analysis on Anti-leaf Rust Ability of America Black Poplar×Cathay Poplar Hybrid Clones
美洲黑杨×青杨杂交无性系抗锈病能力分析
Responses of Different Clones from Hybrid Tulip Tree to Drought Stress;
杂交鹅掌楸不同无性系对水分胁迫的响应
Studies on Genetic Transformation System of Superior Clones for Timber in Hybrid Willow;
材用优良无性系杂交柳遗传转化体系的研究
Responses of Different Clones of Hybrid Tulip Tree to Flooding Stress;
杂交鹅掌楸不同无性系对淹水胁迫的反应
Crossing Experimentation of Several Catalpa and Variation of Clones
几种梓属植物杂交试验和无性系变异研究
Comparison of Populus Deltoides and Hybrid Clones in Upland Area in Northern Hubei
鄂北岗地美洲黑杨及杂交无性系对比试验
HYBRID MESH-FREE FINITE VOLUME DIFFERENCE METHOD FOR ELASTOPLASTIC PROBLEMS
弹塑性问题的杂交无网格有限体积差分法
Study on Correlation between Botany Characters and Yield of Potato Hybrid Asexual Generation
马铃薯杂交无性一代植物学性状与产量相关性的研究
Lily Distant Hybridization and Seed Characteristics
百合杂交育种及杂交种子特性的研究
