This paper was a partial content of '948' project of agricultural Department about introduction and breeding the new alfalfa varieties with high yield and fine quality and high resistance.
本文是农业部‘948’项目“高产优质抗逆苜蓿新品种的引进与繁育”课题的一部分内容。
Released rapeseed cultivar and accumulated valuable materials information in recent years and their alternated process are collected into breeding and cultivar introduction modules.
育种和品种介绍模块包含了审定油菜品种的详细信息以及育种中间材料的历年资料及演变过程。
The frequency of variation and utilization of exogenous DNA introduction in rice breeding were also discussed.
同时讨论了外源DNA导入水稻的变异频率和在水稻育种中的应用前景。
The theory and current molecular breeding practice in flax was summarized, including direct introduction exogenous DNA(DIED), transgenic technology and molecular maker assisted selection.
综述外源DNA直接导入技术、转基因技术和分子标记辅助筛选的亚麻分子育种理论和研究概况；
Due to introduction of native species and creation of conducive habitat, Jamaica Bay Wildlife Refuge is the home to breeding reptiles and amphibians, small mammals and butterflies.
由于引入了一些本土物种和建立了迁于居住的生态环境，牙买加湾野生动物保护区已经成为饲养爬虫动物、两栖动物、小哺乳动物和蝴蝶的家园。
Plant introduction and acclimatization is a traditional breeding way to enrich the plant resources.
引种驯化是增加植物资源的一种传统育种方法。
Enhance the research on economic plants introduction and acclimatization, and construct breeding base and spreading system of excellent varieties of economic plants;
加强经济植物的引种驯化、品种选育工作，建立经济植物良种苗木繁育基地和推广体系；
Enhance the research on economic plants introduction and acclimatization, and construct breeding base and spreading system of excellent varieties of economic plants;
加强经济植物的引种驯化、品种选育工作，建立经济植物良种苗木繁育基地和推广体系；
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