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Accumulation Characteristics of Cd and Influences of Mineral Elements Absorptionin in Iris hexagona(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年11
Page:
65-70
Research Field:
Publishing date:

Info

Title:
Accumulation Characteristics of Cd and Influences of Mineral Elements Absorptionin in Iris hexagona
Author(s):
HAN Ying1; ZHU Xu-dong1; DENG Peng2; CHEN Gang2
1.College of Horticulture Science and Technology，Suzhou Polytechnic Institute of Agriculture，Suzhou,Jiangsu 215008；2.College of Bioscience and Biotechnology,Yangzhou University，Yangzhou,Jiangsu 225009
Keywords:
Iris hexagona; cadmium(Cd）; mineral elements; absorption; accumulation
PACS:
S 682.1+9
DOI:
10.11937/bfyy.201511017
Abstract:
aking Iris hexagona as test material,solution culture under 0，100，500 μM Cd treatment was cultivated.The absorption and accumulation characteristics of Cd，N，P,K,S in Iris hexagona were analysed by the methods of atomic absorption spectrometry，environmental scanning electron microscope and X-ray electron probe microanalysis.The results showed that the content of Cd in leaves and roots were increased along with the increase of Cd concentration while N content in leaves was decreased.Cd accumulation in roots was significantly higher than that in leaves and the basal stem section was the main site for Cd accumulation.X-ray electron probe microanalysis indicated that the absorption of K was significantly inhibited and up-transportation of S was increased obviously under Cd stress in Iris hexagona.The absorption of P was further affected by high Cd concentration.

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Last Update: 2015-08-06