[1]刘琴,徐健,祁建杭,等.娄彻氏链霉菌SR-1102对番茄枯萎病的防效及根际微生物的影响[J].江苏农业学报,2020,(05):1133-1138.[doi:doi:10.3969/j.issn.1000-4440.2020.05.009]
 LIU Qin,XU Jian,QI Jian-hang,et al.Control effect of Streptomyces rochei SR-1102 on Fusarium wilt of tomato and the impact on rhizosphere microorganisms[J].,2020,(05):1133-1138.[doi:doi:10.3969/j.issn.1000-4440.2020.05.009]
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娄彻氏链霉菌SR-1102对番茄枯萎病的防效及根际微生物的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年05期
页码:
1133-1138
栏目:
植物保护
出版日期:
2020-10-31

文章信息/Info

Title:
Control effect of Streptomyces rochei SR-1102 on Fusarium wilt of tomato and the impact on rhizosphere microorganisms
作者:
刘琴12徐健1祁建杭1刘怀阿1李传明1韩光杰1徐彬1陆玉荣1孙俊2
(1.江苏里下河地区农业科学研究所,江苏扬州225007;2.扬州绿源生物化工有限公司,江苏扬州225008)
Author(s):
LIU Qin12XU Jian1QI Jian-hang1LIU Huai-a1LI Chuan-ming1HAN Guang-jie1XU Bin1LU Yu-rong1SUN Jun2
(1.Institute of Agricultural Sciences of the Lixiahe District in Jiangsu Province, Yangzhou 225007, China;2.Yangzhou Lvyuan Bio-chemical Co., Ltd., Yangzhou 225008, China)
关键词:
娄彻氏链霉菌番茄枯萎病防效微生物类群
Keywords:
Streptomyces rocheitomato Fusarium wiltcontrol effectmicrobial group
分类号:
S436.412
DOI:
doi:10.3969/j.issn.1000-4440.2020.05.009
文献标志码:
A
摘要:
为明确娄彻氏链霉菌对番茄枯萎病的防效及根际微生物类群的影响,采用室内盆栽灌根法测定娄彻氏链霉菌SR-1102菌株对番茄枯萎病病菌的防治效果,分析SR-1102对番茄根围、根表土壤及根系微生物类群、数量的影响。结果表明,SR-1102 50倍液、100倍液灌根处理对番茄枯萎病的防治效果达69.10%~72.84%。SR-1102能促进番茄根际微生物的增长,根围、根表微生物数量较对照分别增加0.6倍和2.1倍以上。根际土壤微生物增殖以细菌、放线菌为主,而真菌增殖受到抑制,根围、根表真菌数量较对照减少了24.9%~42.2%。SR-1102灌根处理可显著改变番茄根际微生物类群结构,根围、根表的放线菌/真菌、细菌/真菌较对照分别提高了7.8~9.0倍和2.8~3.5倍。定殖试验结果进一步表明,SR-1102在番茄根围、根表和根系都能定殖,根表定殖率较高,不同浓度SR-1102处理的定殖率达69.05%~75.57%。
Abstract:
To explore the control effect of Streptomyces rochei SR-1102 on Fusarium wilt of tomato and the impact on rhizosphere microorganisms, the root-irrigating method was used in this study. The results indicated that the control effect of SR-1102 diluted with 50 and 100 times solution on Fusarium wilt of tomato ranged from 69.10% to 72.84%. SR-1102 could promote the growth of rhizosphere microorganisms, and the number of microorganisms in rhizosphere and root surface increased 0.6 times and 2.1 times. Bacteria and actinomycetes were the main microorganisms in rhizosphere soil, while fungi group was inhibited. Compared with the control, the number of fungi in rhizosphere and root surface decreased by 24.9%-42.2%. SR-1102 could significantly change the microbial community structure of tomato rhizosphere. The actinomycetes/fungi and bacteria/fungi in rhizosphere and root surface were increased by 7.8-9.0 times and 2.8-3.5 times, respectively. The results of colonization test revealed that SR-1102 could be colonized in the rhizosphere, root surface and root system of tomato. The colonization rate was high in root surface, and the colonization rate of SR-1102 ranged from 69.05% to 75.57%.

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备注/Memo

备注/Memo:
收稿日期:2020-02-22基金项目:江苏省重点研发计划项目(BE2017339、BE2018361、BE2019338);江苏省农业科技自主创新基金项目[CX(19)2008];扬州市重点研发项目(YZ2019043、YZ2018063)作者简介:刘琴(1966-),女,江苏海门人,硕士,研究员,主要从事农作物病虫害生物防治技术研究。(E-mail)bio-lq@126.com通讯作者:徐健,(E-mail)bio-xj@163.com
更新日期/Last Update: 2020-11-16