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The Influence of Height Gradient on the Ultrastructures of Kobresia Leaves

JIA Xiao_hong, JIANG Gang_cheng ( Xuchang Normal College, Henan Xuchang 46100, China )  
This paper is a study of the ultrastructual differences of the leaves of K.humilis and K.pygmaea from height gradient of 3260 to 4050 metres. It is discovered that the chloroplast and mitochondrium cell metamorphosis increases with the height gradient. However, the content of endoplasm reticulum and golgiosome decreases and their structures become simple.
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