|Table of Contents|

Effects of Lactic Acid Bacteria on the Phenotype and Physiological Index of Catharanthus roseus

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年18
Page:
66-72
Research Field:
Publishing date:

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Title:
Effects of Lactic Acid Bacteria on the Phenotype and Physiological Index of Catharanthus roseus
Author(s):
ZHENG Mingyue1; LI Haimei1; 2; LI Yanhua1; 2; TIAN Jing2; ZHANG Rui1
(1.College of Landscape Architecture and Forestry,Qingdao Agricultural University,Qingdao,Shandong 266109;2.Qingdao Limited Company of Dongsen Ecological Agriculture and Forestry Technology,Qingdao,Shandong 266109)
Keywords:
lactic acid bacteria; Catharanthus roseus; salt stress; phenotype index; physiological index
PACS:
-
DOI:
10.11937/bfyy.20190763
Abstract:
Catharanthus roseus was used as the test material.The lactic acid bacteria preparation with the ratio of fertilizer to water 1∶300,1∶500,1∶700,1∶900 was applied to the root of Cathavanthus roseus under 50 mmol?L-1 NaCl stress,and the same amount of water was used as the control group (CK).The effects of lactic acid bacteria preparation on the phenotype and physiological indexes of Catharanthus roseus under salt stress were studied.It provides a scientific basis for the application of lactic acid bacteria preparations on ornamental plants.The results showed that under the treatment of lactic acid bacteria preparation,the best treatment effect was at a concentration of 1∶500.Under this concentration treatment,the plant height,crown width,stem diameter and maximum leaf area were increased by 44.5%,6.9%,12.8% and 20.7%,respectively.The chlorophyll content,soluble sugar content,POD activity and SOD activity were increased by 12.0%,11.1%,11.2% and 31.2% compared with CK,respectively;the content of MDA was decreased by 55.3% compared with CK.The overall performance was 1∶500 treatment>1∶700 treatment>1∶300 treatment>1∶900 treatment>CK,indicating that lactic acid bacteria significantly promoted the phenotype index and physiological index of Catharanthus roseus under salt stress.It is intend to provide a scientific basis for the application of microbial preparations in ornamental plants.

References:

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Last Update: 2019-09-29