|Table of Contents|

Screening and Optimization of Conditions for the Inhibition of Iris sanguine Fruit Blight Biocontrol Bacteria

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2024年23
Page:
66-72
Research Field:
Publishing date:

Info

Title:
Screening and Optimization of Conditions for the Inhibition of Iris sanguine Fruit Blight Biocontrol Bacteria
Author(s):
ZHU Tong1; WANG Yuxi1; LU Xinming2; LIU Xuefeng1; WANG Bin3; DIAO Guiping1
(1.Forestry School，Northeast Forestry University，Harbin，Heilongjiang 150040;2.Institute of Natural Resources and Ecology,Heilongjiang Academy of Sciences，Harbin，Heilongjiang 150040;3.Ordos Forestry and Grassland Development Center,Ordos,Inner Mongolia 017000)
Keywords:
Alternaria; Bacillus; biocontrol bacteria
PACS:
S 436.8;S 476+.7
DOI:
10.11937/bfyy.20241974
Abstract:
Taking the plate standoff method and one-way test with Iris sanguine fruit blight pathogen A.alternata and several plant endophytic bacteria as the test materials，the inhibitory effects of different endophytic bacteria on A.alternataas well as the inhibitory ability and stability of the screened efficient biocontrol bacteria under different culture conditions were studied,in order to provide reference for the prevention and control of Iris sanguine fruit blight and related diseases and the development of biocontrol agents.The results showed that Bacillus subtilis and B.velezensis had substantial inhibitory effects on A.alternata. For both of them，the following cultivation conditions and medium were ideal with adding 5% seed solution to LB liquid medium at pH=5.It was incubated for 16 hours at 30 ℃ and 180 r·min-1.B.subtilis had better acid-base，heat，UV irradiation，and light stability.In addition to the higher heat stability of B.velezensis,the antibacterial effect of other treatments decreased.

References:

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Last Update: 2024-12-16