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南五味子育种研究

         

摘要

[目的]研究南五味子种子萌发的最佳条件.[方法]采用种子破皮处理、不同温度浸种以及不同的土壤对比,对南五味子进行了种子育苗观察及苗木的早期生长测量.[结果]南五味子育苗萌发率最高的基质为黑色田园土,其萌发率可达60%,其平均生长速度为0.34 cm/d.种子破皮处理有助于提高萌发率,其萌发率可提高1.36倍.20℃水温浸泡20 min后的南五味子种子萌发率最高,可达76.67%.[结论]南五味子可采用种子破皮和20℃水温浸泡20 min,并采用黑色田园土作为基质来进行育苗,能提高其萌发率.%[Objective] The research aimed to study the optimum conditions for the germination of Kadsura longipedunculata seeds.[Method] The seedling of Kadsura longipedunculata was observed by seed breaking treatment,seed soaking at different temperatures and different soils.The early growth of seedlings was measured.[Result]The results showed that the highest germination rate of Kadsura longipedunculata seedlings was black pastoral soil,the highest seed germination rate was 60% and the average growth rate was 0.34 cm/d.The seed breaking treatment was helpful to improve the germination rate,the germination rate could be increased by 1.36 times.The seed germination rate of Kadsura longipedunculata was the highest after soaking at 20 ℃ for 20 min,reaching 76.67%.[Conclusion]The germination rate of Kadsura longipedunculata could improve though the seed breaking treatment and 20 ℃ water temperature soaking for 20 min in black pastoral soil.

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