Green guardians: Bacterial endophytes in protecting vegetable crops against pathogens

Sagarika Medari, Krishnan Kalpana, Muthusamy Ramakrishnan, Aravindaram Kandan, Subbiah Ramasamy, Karuppiah Eraivan Arutkani Aiyanathan, Sankarasubramanian Harish, Andithevar Beaulah, Rangaswamy Anandham, Narayanan Manikandaboopathi and Marimuthu Ayyandurai
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Sagarika Medari: Department of Plant Pathology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
Krishnan Kalpana: Department of Plant Pathology, Horticulture College and Research Institute, Tamil Nadu Agricultural University, Periyakulam, Tamil Nadu, India
Aravindaram Kandan: Division of Germplasm Conservation and Utilization, ICAR-NBAIR, Bengaluru, Karnataka, India
Subbiah Ramasamy: School of Biological Sciences, Madurai Kamaraj University, Madurai, Tamil Nadu, India
Karuppiah Eraivan Arutkani Aiyanathan: Department of Plant Pathology, Agricultural College and Research Institute,Tamil Nadu Agricultural University, Madurai, Tamil Nadu, India
Sankarasubramanian Harish: Department of Plant Pathology, Agricultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
Rangaswamy Anandham: Department of Biotechnology, Centre for Plant Molecular Biology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
Marimuthu Ayyandurai: Department of Plant Pathology, Agricultural College and Research Institute,Tamil Nadu Agricultural University, Madurai, Tamil Nadu, India

Plant Protection Science, 2025, vol. 61, issue 1, 21-43

Abstract: Vegetables are considered as the major source for opportunistic and emerging pathogens due to their diverse microbiome. Utilising bacterial endophytes and other bacterial agents to control a variety of economically important plant diseases is vital for achieving sustainable agriculture. Within internal plant tissues, bacterial endophytes form colonies without apparent injury. These bacteria provide several advantages for plant systems, including the direct stimulation of plant development through the creation of metabolites or phytohormones. Importantly, bacterial endophytes play a dual role by safeguarding their plant host through the biocontrol of pathogens and induction of the plant's innate immune system. This review offers a methodical and inclusive examination of the current state of endophytic diversity of bacteria, their methods of plant colonisation and their potential functions as protective agents against plant diseases. The review concludes by proposing diverse effective strategies for applying endophytic bacteria as a biological agent aiming to safeguard vegetable crop plants and enhancing the resilience of agricultural products.

Keywords: biological control agents; antagonist; formulations; plant diseases; vegetables (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:61:y:2025:i:1:id:38-2024-pps

DOI: 10.17221/38/2024-PPS

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