温度、光、营养和烟水对中国传统药用植物黄芪·三七·厚朴的种子发芽幼苗生长的影响.ppt

1、温度、光、营养和烟水对中国传统药用植物黄芪三七厚朴的种子发芽幼苗生长的影响,温度、光、营养和烟水对中国传统药用植物黄芪三七厚朴的种子发芽幼苗生长的影响,Introduction,The Traditional Chinese Medicine (TCM) export was phenomenal and reached a record of US$ 2.3 billion, of which 62% was due to herbal extracts.,It is apparent that due to an increasing market, fundamental medicin

2、al herbs such as Astragalus membranaceus , Magnolia officinalis and Panax notoginseng are in high demand.,The effectiveness of A. membranaceus,The effectiveness of M. officinalis,The effectiveness of P. notoginseng,Materials and methods,Seed collection Seed viability Seed moisture content and imbibi

3、tion Seed germination Effects of nutrient level and deficiency on seedling Effect of smoke-water on seedling growth Statistical analysis,Results and Discussion,Seed viability, moisture content and imbibition,Fig. 2. Effect of different temperatures on seed germination (SE) of three Chinese medicinal

4、 plant species. Bars with different letters are significantly different according to the Duncans multiple range test at 5% level (Pb0.05). To=calculated optimum temperature.,Effect of temperature, light on seed germination,Fig. 3. Effect of plant growth regulators on seed germination of Astragalus m

5、embranaceus at 250.5 C at 16:8 h light:dark conditions. Bars (SE) with the asterisk symbol are significantly different to the control according to the Duncans multiple range test at 5% level (Pb0.05). B=Butenolide; SW=Smoke-water.,Effect of plant growth regulators on seed germination,Effect of nutri

6、ent level and deficiency on A. membranaceus seedling growth,Effect of nutrient level and deficiency on M. officinalis seedling growth,Effect of nutrient level and deficiency on P. notoginseng seedling growth,Fig. 4. Effect of smoke-water (SW) concentrations on seedling growth of Astragalus membranac

7、eus under greenhouse conditions.,Effect of smoke-water concentrations on seedling growth,Conclusions,Low temperatures and adequate light are necessary for achieving optimum germination of A. membranaceus seeds. At normal temperatures, use of appropriate smoke-water concentrations can be beneficial f

8、or better seed germination and seedling growth. Moderate levels of fertilizers, especially additional N, can produce healthy seedlings. Temperatures between 15 and 25 C with sufficient light are suitable for maximum germination of M. officinalis seeds. Seedlings should be grown with low nutrients containing more K. The highest rate of germi