Mulberry popcorn disease occurrence in Korea region and development of integrative control method

Ju, Wan-Taek; Kim, Hyun-Bok; Sung, Gyoo-Byung; Park, Kwang-Young; Kim, Yong-Soon

doi:10.7852/ijie.2016.33.1.36

Cited by 4 publications

(2 citation statements)

References 6 publications

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“…Among the diseases, mulberry fruit hypertrophic sclerotiniosis is the major one, with an incidence of up to 80% or more [ 13 ]. At present, the control of sclerotiniosis is mainly achieved by chemical pesticides [ 14 ]. Pesticide residues and environmental pollution bring great threats and risks to the green and safe production of mulberry [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

Structure and Ecological Function of Fungal Endophytes from Stems of Different Mulberry Cultivars

Peng,

Li,

Wei

et al. 2023

Curr Microbiol

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To explore the microbial community structure and ecological function of mulberry and their potential relationship with the resistance of mulberry, the community structure and function of endophytic fungi in 18 mulberry cultivars were analyzed and predicted by using high-throughput sequencing technology and the FUNGuild database. A total of 352 operational taxonomic units of fungi were observed at a 97% similarity level, representing six phyla of fungi, Fungi_unclassified, Ascomycota, Basidiomycota, Zygomycota, Rozellomycota, and Chytridiomycota. Fungi_unclassified was dominant, and Ascomycota was relatively dominant in all cultivars. At the genus level, Ascomycota_unclassified was dominant, and Ampelomyces was relatively dominant, with a richness in TAIWANCHANGGUOSANG 16.47–8975.69 times that in the other cultivars. Classified Ascomycota_unclassified was 4.75–296.65 times more common in NANYUANSIJI than in the other cultivars. Based on the FUNGuild analysis method, we successfully annotated six nutrient types, namely, pathotroph, pathotroph–saprotroph, pathotroph–saprotroph–symbiotroph, saprotroph, saprotroph–symbiotroph, and symbiotroph, among which saprophytic–symbiotic accounted for the largest proportion and was absolutely dominant in TWC. This research suggests that community composition differs among cultivars and that the diversity and richness of endophytic fungi in resistant cultivars are higher than those in susceptible cultivars. The ecological functions of cultivars with different resistances are quite different.

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Section: Introductionmentioning

confidence: 99%

Structure and Ecological Function of Fungal Endophytes from Stems of Different Mulberry Cultivars

Peng,

Li,

Wei

et al. 2023

Curr Microbiol

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“…Mulberry sclerotiniose, also known as white fruit disease, is a widespread destructive disease of mulberry fruit that is responsible for huge economic losses each year [1,2]. The disease is divided into three types distinguished by the symptoms that appear on infected fruits in association with different causal agents: 1) mulberry sorosus hypertrophic sclerote disease, 2) mulberry sorosus parvulling sclerote disease, and 3) mulberry sorosus diminuting sclerote disease [3].…”

Section: Introductionmentioning

confidence: 99%

Genomic and Functional Characterization of the Endophytic Bacillus subtilis 7PJ-16 Strain, a Potential Biocontrol Agent of Mulberry Fruit Sclerotiniose

Xü

Ren

et al. 2018

Microb Ecol

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Bacillus sp. 7PJ-16, an endophytic bacterium isolated from a healthy mulberry stem and previously identified as Bacillus tequilensis 7PJ-16, exhibits strong antifungal activity and has the capacity to promote plant growth. This strain was studied for its effectiveness as a biocontrol agent to reduce mulberry fruit sclerotiniose in the field and as a growth-promoting agent for mulberry in the greenhouse. In field studies, the cell suspension and supernatant of strain 7PJ-16 exhibited biocontrol efficacy and the lowest disease incidence was reduced down to only 0.80%. In greenhouse experiments, the cell suspension (1.0 × 10 and 1.0 × 10 CFU/mL) and the cell-free supernatant (100-fold and 1000-fold dilution) stimulated mulberry seed germination and promoted mulberry seedling growth. In addition, to accurately identify the 7PJ-16 strain and further explore the mechanisms of its antifungal and growth-promoting properties, the complete genome of this strain was sequenced and annotated. The 7PJ-16 genome is comprised of two circular plasmids and a 4,209,045-bp circular chromosome, containing 4492 protein-coding genes and 116 RNA genes. This strain was ultimately designed as Bacillus subtilis based on core genome sequence analyses using a phylogenomic approach. In this genome, we identified a series of gene clusters that function in the synthesis of non-ribosomal peptides (surfactin, fengycin, bacillibactin, and bacilysin) as well as the ribosome-dependent synthesis of tasA and bacteriocins (subtilin, subtilosin A), which are responsible for the biosynthesis of numerous antimicrobial metabolites. Additionally, several genes with function that promote plant growth, such as indole-3-acetic acid biosynthesis, the production of volatile substances, and siderophores synthesis, were also identified. The information described in this study has established a good foundation for understanding the beneficial interactions between endophytes and host plants, and facilitates the further application of B. subtilis 7PJ-16 as an agricultural biofertilizer and biocontrol agent.

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Diversity of cultivable endophytic bacteria in mulberry and their potential for antimicrobial and plant growth-promoting activities

Wang

Zhang

et al. 2019

Microbiological Research

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Mulberry popcorn disease occurrence in Korea region and development of integrative control method

Cited by 4 publications

References 6 publications

Structure and Ecological Function of Fungal Endophytes from Stems of Different Mulberry Cultivars

Structure and Ecological Function of Fungal Endophytes from Stems of Different Mulberry Cultivars

Genomic and Functional Characterization of the Endophytic Bacillus subtilis 7PJ-16 Strain, a Potential Biocontrol Agent of Mulberry Fruit Sclerotiniose

Diversity of cultivable endophytic bacteria in mulberry and their potential for antimicrobial and plant growth-promoting activities

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