|Table of Contents|

Effect of Continuous Cropping Soil and Decomposed Liquid of  Dead Leaves on Physiological and Biochemical Indexes of  Pogostemon cablin Cutting Seedlings(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年10
Page:
149-153
Research Field:
Publishing date:

Info

Title:
Effect of Continuous Cropping Soil and Decomposed Liquid of  Dead Leaves on Physiological and Biochemical Indexes of  Pogostemon cablin Cutting Seedlings
Author(s):
WU Yanyan1; LI Ming1; 2; HUANG Jiewen1; MA Tingyu1; DUAN Xiuran1; PAN Liping1
(1.School of Traditional Chinese Medicine,Guangdong Pharmaceutical University，Guangzhou，Guangdong 510006;2.Key Laboratory of Production and Development of Medicinal Materials from in Lingnan,State Administration of Traditional Chinese Medicine，Guangzhou，Guangdong 510006)
Keywords:
Pogostemon cablin; continuous cropping soil; decomposed liquid of dead leaves; cutting propagation; physiological and biochemical indexes
PACS:
-
DOI:
10.11937/bfyy.201710034
Abstract:
In order to study the causes and mechanism of continuous cropping obstacle in Pogostemon cablin, the pot experiment method was used to study the effect of physiological and biochemical indexes in its 2 and 8 weeks cutting seedlings cultured in cultivation substrate containing continuous cropping soil and decomposed liquid of dead leaves.The results showed that 2 and 8 weeks cutting seedlings cultured in cultivation substrate containing continuous cropping soil and decomposed liquid of dead leaves for 60 days，the activities of CAT，POD and SOD showed risen change in the leaves of the two cutting seedlings compared with that of the control，and raised with the concentration of decomposed liquid of dead leaves.The activities of CAT，POD and SOD in the leaves of two cutting seedlings showed the change in which the soil containing high concentration decomposed liquid of dead leaves>continuous cropping soil>soil containing low concentration decomposed liquid of dead leaves>control soil.The content of MDA significantly increased compared with that of the control，and showed the change in which the soil containing high concentration decomposed liquid of dead leaves>soil containing low concentration decomposed liquid of dead leaves>continuous cropping soil>control soil.Allelopathic autotoxicity caused by decomsosition of dead leaves in Pogostemon cablin might be the one of the main factors causing contiuous cropping obstacle.

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Last Update: 2017-06-02