forest seed orchard

常见例句

Seed orchard is the most important population of seed production and improvement, which construct the bridge of breeding between the forest breeding and seed production.
种子园是生产改良种子的重要途径，它搭建了育种与育林的桥梁，其子代的遗传多样性将直接影响到人工林群体的稳定性和适应性。
The control effects of forest management measures on the damage of larch cone flies ( Strobilomyia spp. ) were studied in 1998 and 1999 in larch seed orchard in Jiagedaqi of Daxing'anling.
1998年秋和1999年春，在大兴安岭兴安落叶松种子园内，研究了松土、喷施生物助长剂、除草等营林措施对球果花蝇危害的抑制作用。
The advances of gene flow and paternity analysis in forest population recent years were reviewed, and the limitation of paternity analysis making use of enzyme marker in a seed orchard was discussed.
本文介绍了林木群体基因流及父本分析的研究进展，以油松种子园为例讨论了用同工酶标记进行父本分析的优缺点并论述了利用分子标记进行父本分析的优势。