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《Chinese Traditional and Herbal Drugs》 2008-02
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Effect of PEG 6000 on seed germination and seedling growth of Scutellaria baicalensis

YUAN Yuan,LI Na,SHAO Ai-juan,LI Hua,HUANG Lu-qi(Institute of Chinese Materia Medica,Chinese Academy of Chinese Medical Science,Beijing 100700,China)  
Objective To simulate the solution drought stress conditions with PEG 6000 for study on the seeds germination and seedling growth of Scutellaria baicalensis in response to drought stress.Methods The seeds of S.baicalensis was treated with 10% and 20% PEG 6000,respectively,then the water content,germination rate,germination potential,germination index,the fresh weight of seedlings,and the length of the organs were measured.Results All treatments of PEG 6000 had the influence on the water content,germination rate,and the growth of the seedlings.Conclusion Soaking with 10% PEG 6000 for 4 h and 20% PEG 6000 for 1 h could improve the seed germination rate.The treatment of 20% PEG 6000 for 8 h could be used as simulated drought stress conditions and for selective work aginst drought of seedling breeding.
【CateGory Index】: R282.2
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