Biocontrol of Fusarium equiseti using chitosan nanoparticles combined with Trichoderma longibrachiatum and Penicillium polonicum.

Q1 Agricultural and Biological Sciences

Fungal Biology and Biotechnology Pub Date : 2023-02-06 DOI:10.1186/s40694-023-00151-4

El-Sayed M El-Morsy, Yomna S Elmalahy, Mohamed M A Mousa

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Abstract

A safe and ecofriendly biocontrol of pathogenic Fusarium equiseti was developed based on chitosan nanoparticles (CNPs) combined with Trichoderma longibrachiatum and Penicillium polonicum. Two strains of F. equiseti which were isolated from wilting tomato plant as well as three antagonistic fungi including Trichoderma longibrachiatum and two strains of Penicillium polonicum were isolated from the surrounding soil. All the isolated pathogenic and antagonistic fungi were identified using genomic DNA sequences. The antifungal activity of the three antagonistic fungi were studied against the two strains of F. equiseti. Also, CNPs which were prepared according to the ionic gelation method using sodium tripolyphosphate anions in acetic acid solution were used to enhance the antifungal activity of the three antagonistic fungi. The results exhibit that, combination of T. longibrachiatum with CNPs and P. polonicum with CNPs achieve high antifungal activity against F. equiseti by an inhibition rate equal to 71.05% and 66.7%, respectively.

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壳聚糖纳米颗粒与长尾木霉、波隆青霉联合防治木贼镰刀菌的研究。

利用壳聚糖纳米颗粒(CNPs)与长achiachiatum木霉和polonicum联合制备了一种安全、环保的防治木贼镰刀菌的生物制剂。从枯萎番茄植株中分离到2株马角霉，从周围土壤中分离到3株拮抗真菌长直链木霉和2株polonicum。所有分离到的病原真菌和拮抗真菌均通过基因组DNA序列进行鉴定。研究了3种拮抗真菌对两株马瘟菌的抑菌活性。此外，用三聚磷酸钠阴离子在乙酸溶液中离子凝胶法制备CNPs，以增强三种拮抗真菌的抗真菌活性。结果表明，长尾藤与CNPs联合使用，长尾藤与CNPs联合使用，对马瘟菌的抑制率分别为71.05%和66.7%。

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来源期刊

Fungal Biology and Biotechnology Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics

CiteScore

10.20

自引率

0.00%

发文量

审稿时长

9 weeks