摘要
目的 :探索野生金莲花种子打破休眠的最佳贮藏方法。方法 :采用不同温度的湿砂藏和干砂藏 ,测胚率和发芽率。结果 :金莲花种子需通过低温才能打破休眠 ;新采收的种子在 5～ 6℃低温下砂藏 75d ,胚率达 47%左右即可发芽 ;种子通过低温的时间 ,随低温处理前贮藏时间的长短而不同。结论 :金莲花种子室温干藏 6～ 9个月后再经 1个月低温处理 ,即可打破休眠并发芽 ,为最佳方法 ,干藏 1a即完全丧失发芽力。
Objective: Explorlng the best seed storage method for Trollius chinensis. Method: Different temperatures were applied to the seed storage in wet sand and dry sand, and the embryo endosperm ratio and germination rate were inspected. Result: The dormancy of T. chinensis seeds could only be broken in lower temperatures. The newly collected seeds set out to germinate after 75 days of storage at 5～6 ℃when the embryo endosperm ratio reached 47%,and the time of seed germination varied with the length of storage time before low temperature treatment. Conclnsion: The best storage method for the seed of T. chinensis is keeping it in dry for 6～8 months with an additional 1 month of low temperature treatment to follow.
出处
《中国中药杂志》
CAS
CSCD
北大核心
2000年第5期266-269,共4页
China Journal of Chinese Materia Medica
关键词
金莲花
种子贮藏
打破休眠
Trollius chinensis
seed storage
dormancy break
