Title: Changes on the anatomical characteristics of Amorpha fruticosa leaves under different drought stress gradient
Abstract:Amorpha fruiticosa is a soil conservation species.The research aimed to investigate the changes in morphological and anatomical characteristics of two-year seedling leaves of A.fruticosa under the dif...Amorpha fruiticosa is a soil conservation species.The research aimed to investigate the changes in morphological and anatomical characteristics of two-year seedling leaves of A.fruticosa under the different drought stress gradient:light stress(LS),medium stress(MS)and severe stress(SS).The results showed that the thickness of blade and the upper and lower epidermis were gradually decreased with the increase of drought stress gradient.Thickness of palisade tissue and spongy parenchyma were also decreased,while,the ratio of palisade tissue to spongy parenchyma,the relative diameter of the vascular bundle in main vein,the protruding degree of main vein and midrib thickness were increased.The stoma area was a downtrend but its density was increased.Furthermore,with the drought stress increased,the leaf size was decreased and its shape was changed.These results indicated that A.fruticosa could change the morphological and anatomical structure of its leaves to adapt the drought stress.Read More
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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