由于缺乏动物识别、记录和评价计划,因而人工授精技术通常用于与进口种质资源的杂交,而并非当地的优良遗传资源。
AI is usually used for crossbreeding with imported germplasm rather than for superior local genetics, due to the paucity of animal identification, recording and evaluation programmes.
本研究为优良同源四倍体桔梗的推广应用和优良种质离体保存、减少遗传变异提供了技术依据。
This research provided techniques for the application, conservation in vitro of excellent germplasm and reduction of heredity variance of autotetraploids of Plalycodon grandiflorum.
种质资源是遗传育种的基础。
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