红掌内生拮抗菌的分离及抑制作用初步研究

doi:10.19640/j.cnki.jtau.2020.04.008

Journal of Tianjin Agricultural University ›› 2020, Vol. 27 ›› Issue (4): 39-42.doi: 10.19640/j.cnki.jtau.2020.04.008

• Researches and Scientific Notes • Previous Articles Next Articles

Preliminary study on the isolation and inhibition of endogenous antagonism of anthurium

Duan Chenjun¹, Wang Yanxuan¹, Liu Huiqin^{1,2,Corresponding Author}, Luo Lidan¹, Wang Yunhui³

1. College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin 300392, China;
2. Hetian Polytechnic, Hetian 848000, Xinjiang Uygur Autonomous Region, China;
3. Tianjin Lüzhiben Biotechnology Co. Ltd, Tianjin 301806, China;

Received:2020-04-10 Online:2020-12-31 Published:2020-12-25

Abstract

Abstract: In this paper, the endophytic antagonisticmicrobes with strong inhibitory effect on pathogen were screened from anthurium by plate confrontation method. The results showed that 224 strains of endophytic bacteria, 44 strains of endophytic fungi and 104 strains of endophytic actinomycetes were isolated from the root, stem, leaf and inflorescence. The most endophytic bacteria were isolated from the leaves, a total of 139 strains, accounting for 62.05%. The inhibition effect of endophytic bacteria on pathogenic fungi was stronger than that of endophytic fungi and endophytic actinomycetes. Among them, Y-4, Y-6, Y-8, Y-80, G-43 and J-14 had better inhibitory effects on 8 kinds of plant pathogenic fungi. Y-6, Y-4 and Y-8 also had certain inhibitory effects on 4 kinds of plant pathogenic bacteria, and the inhibition rate ranged from 8.7% to 26.6%. In terms of the inhibitory effect of endophytic bacteria on Xanthomon asaxonopodis, the inhibitory effect of endophytic bacteria Y-6 was the strongest, reaching 49.61%.

Key words: anthurium, endophyte, isolation, inhibition

CLC Number:

Q939

Duan Chenjun, Wang Yanxuan, Liu Huiqin, Luo Lidan, Wang Yunhui. Preliminary study on the isolation and inhibition of endogenous antagonism of anthurium[J]. Journal of Tianjin Agricultural University, 2020, 27(4): 39-42.

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Preliminary study on the isolation and inhibition of endogenous antagonism of anthurium

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