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营养液pH值对观赏植物的影响

         

摘要

This study addresses the effects of various pH values(5.0,6.0,7.0,8.0,9.0) on the growth and development of Scindapsus aureun in hydroponics.The results showed that,at pH values ranging from 5.0 to 7.0,the root length,height and leaf number of S.aureun increased,while at pH 8.0 and pH9.0,the root length,height and leaf number of S.aureun decreased.At pH values ranging from 5.0 to 7.0,the chlorophyll content of S.aureun increased,whereas the chlorophyll content of S.aureun decreased at pH 8.0 and pH 9.0.In conclusion,pH 7.0 is proven to be most favorable for the growth of S.aureun.Meanwhile,the growth of S.aureun is inhibited at pH 8.0 and 9.0.%采用水培的方法,研究在不同pH(5.0、6.0、7.0、8.0、9.0)范围内绿萝的生长发育状况.结果表明,在pH 5.0~7.0范围内绿萝的根长、株高和叶片数均呈增加趋势,而在pH 8.0和pH 9.0处理下呈下降趋势.叶绿素的含量在pH 5.0~7.0范围内呈上升趋势,而在pH 8.0~9.0范围内叶绿素含量呈下降趋势.研究表明,当pH为7.0时最适合绿萝生长,而pH 8.0和pH 9.0的碱性环境对绿萝的生长具有显著的抑制作用.

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