苹果轮纹病菌(Botryosphaeria dothidea)拮抗细菌的筛选与鉴定

doi:10.3969/j.issn.2096-1197.2019.02.14

Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (2): 83-87.doi: 10.3969/j.issn.2096-1197.2019.02.14

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Screening and identification of antagonistic bacteria against Botryosphaeria dothidea

SUN Sheng[1];FENG Fuying[1];ZHANG Ziyi[1]

[1]College of Life Sciences,Inner Mongolia Agricultural University,Hohhot 010018,China

Received:2019-03-14 Online:2019-02-19 Published:2019-08-19

Abstract

Abstract: Apple ring rot caused by Botryosphaeria dothidea is one of the main apple diseases.In order to find biocontrol bacteria for apple ring rot,70 strains of bacteria were obtained using the plate confrontation method.Preliminary screening showed that 18 strains had different degrees of inhibition of apple ring rot.I It was found that the bacteriostasis rate of four strains (BS-1,B16,B169 and 1301) exceeded 50.0%,with strain B16 having the highest rate of 59.30%.Strains BS-1,B16,B169 and 1301 were identified as Bacillus cereus,Bacillus mojavensis,Bacillus mojavensis and Paenibacillus polymyxa,respectively.The results showed that these four strains had certain application prospects in the control of Botryosphaeria dothidea.

Key words: Botryosphaeria dothidea;Plate confrontation;Biocontrol bacteria;Bacillus

CLC Number:

S436.611

SUN Sheng;FENG Fuying;ZHANG Ziyi(College of Life Sciences,Inner Mongolia Agricultural University,Hohhot 010018,China). Screening and identification of antagonistic bacteria against Botryosphaeria dothidea[J].Journal of Northern Agriculture, 2019, 47(2): 83-87.

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Screening and identification of antagonistic bacteria against Botryosphaeria dothidea

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