|Table of Contents|

Mechanism of New Bio-organic Fertilizer on Controlling to  Watermelon Fusarium Wilt Disease(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年02
Page:
117-121
Research Field:
Publishing date:

Info

Title:
Mechanism of New Bio-organic Fertilizer on Controlling to  Watermelon Fusarium Wilt Disease
Author(s):
LIANG Hong; HUANG Jing; ZHAO Jia; CHEN Zhe
（Biotechnology Research Center，Shanxi Provincial Academy of Agricultural Sciences，Taiyuan，Shanxi 030031）
Keywords:
Bacillus amyloliquefaciens; watermelon Fusarium wilt; antagonism; microorganism flora
PACS:
-
DOI:
10.11937/bfyy.201702028
Abstract:
Bacillus amyloliquefaciens hj1 was used as test material.Plate confrontation method was used to determine the bacteriostatic activity of hj1，its antibiotic synthesis genes were amplified using PCR，pot experiment was used to detect its effect on controlling watermelon wilt disease.The results showed that the strain hj1 could be against Fusarium oxysporum f．sp．niveum (FON).Bam and fenB，responsible for the synthesis of antibiotics Bacillomycin and Fengycin，were identified in strain hj1.The applications of bio-organic fertilizer (BOF) which containing strain hj1 could control the watermelon Fusarium wilt while the incidence was 16.8% and disease index was 0.9，and the biocontrol efficiency was about 83.2%.The promoting of growth was also obvious and the height，fresh weight and dry weight of plant were the highest of all the treatments.The applications of BOF increased the population of Bacteria (Bacillus) and Actinomycetes and decreased the population of fungi (Fusarium oxysporum) in rhizosphere soil，which made the rhizospheric microorganism more comfortable.It was concluded that the application of BOF could control the watermelon Fusarium wilt and promote the growth of the plant.

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Last Update: 2017-03-22