Biological Control of Crop Pathogen and Fungi

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Protection, Diseases, Pests and Weeds".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 614

Special Issue Editors


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Guest Editor
College of Plant Protection, Northwest A&F University, Yangling, Xianyang 712100, China
Interests: biocontrol mechanism; natural products; genetic modification

E-Mail Website
Guest Editor
College of Life Science, Northwest A&F University, Yangling, Xianyang 712100, China
Interests: biocontrol resources; antagonistic metabolites; crop protection

Special Issue Information

Dear Colleagues,

Crop diseases caused by pathogenic bacteria and fungi have seriously affected human society and nature through their damage to food production, economic development, ecological resilience, and natural landscapes over human history. In addition, many pathogens produce toxins that directly or indirectly threaten the health of humans and animals. Thereby, using a promising approach to disease management is of the essence. Among all control approaches for crop diseases, biological control is a method by inhibiting pathogens, improving plant immunity, and/or modifying the environment through the effects of beneficial microorganisms, compounds, or healthy cropping systems.

This Special Issue focuses on explore more environmentally friendly microorganisms for crop diseases controlling, improving the performance of selected antagonists and studying their modes of action. This Special Issue on Biological Control of Crop Pathogenic Bacteria and Fungi will include interdisciplinary studies embracing agriculture with disciplines of microbiology, chemistry, molecular biology, fermentation technology and microbiome. Research articles will cover a broad range of studies on biological control agents. All types of articles, such as original research, opinions, and reviews are welcome.

Dr. Mingming Yang
Prof. Dr. Xia Yan
Guest Editors

Manuscript Submission Information

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Keywords

  • crop diseases
  • antagonistic metabolites
  • microbial composition
  • fermentation and action mechanism
  • pathogenic bacteria and fungi

Published Papers (1 paper)

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Research

16 pages, 7132 KiB  
Article
Synergistic Effects of Chemical Fungicides with Crude Extracts from Bacillus amyloliquefaciens to Control Northern Corn Leaf Blight
by Meng Wang, Haiming Duan, Cheng Zhou, Li Yu, Xiangtao Meng, Wenjie Lu and Haibing Yu
Agriculture 2024, 14(4), 606; https://0-doi-org.brum.beds.ac.uk/10.3390/agriculture14040606 - 11 Apr 2024
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Abstract
In this research, our objective was to investigate the combined impact of microbial extracts and chemical fungicides on Northern corn leaf blight (NCLB), which is induced by Exserohilum turcicum, and the growth-promoting effect of the crude extracts was also determined. NCLB poses [...] Read more.
In this research, our objective was to investigate the combined impact of microbial extracts and chemical fungicides on Northern corn leaf blight (NCLB), which is induced by Exserohilum turcicum, and the growth-promoting effect of the crude extracts was also determined. NCLB poses a serious threat to global maize production, necessitating sustainable and environmentally friendly solutions. Mycelial growth rate assays were used to assess the single or synergistic effects of microbial crude extracts and chemical fungicides, and the seed-soaking and root irrigation method was used to detect the growth-promoting effect of the crude extracts on maize seedlings. The results revealed an 84.60% inhibition rate of B. amyloliquefaciens gfj-4 against E. turcicum, and with an EC50 of 49.01 mg·L−1 for the crude extracts. Chemical fungicides demonstrated varying toxicity levels, with fludioxonil exhibiting the highest potency. The mixture of the crude extracts and pyraclostrobin at an 8:2 volume ratio displayed the highest toxicity ratio of 1.24, indicating a synergistic effect. The selected combinations exhibited strong synergistic effects. Soaking maize seeds with 80 mg·L−1 of the crude extracts followed by root irrigation with 40 mg·L−1 produced the most significant growth-promoting effect on maize seedlings. This study highlights the potential of microbial crude extracts to enhance the control of NCLB when combined with pyraclostrobin, along with its growth-promoting effects on maize seedlings. Full article
(This article belongs to the Special Issue Biological Control of Crop Pathogen and Fungi)
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