Indexing for Bacterial, Fungal and Viral Pathogens in Legume Plants

- Authors: Phumzile Mkhize1, Josephine Malatji2, Phetole Mangena3
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View Affiliations Hide Affiliations1 Department of Microbiology, Biochemistry and Biotechnology, School of Molecular and Life Sciences, Faculty of Science and Agriculture, University of Limpopo, Limpopo Province, Republic of South Africa 2 Department of Microbiology, Biochemistry and Biotechnology, School of Molecular and Life Sciences, Faculty of Science and Agriculture, University of Limpopo, Limpopo Province, Republic of South Africa 3 Department of Biodiversity, School of Molecular and Life Sciences, Faculty of Science and Agriculture, University of Limpopo, Limpopo Province, Republic of South Africa
- Source: Advances in Legume Research: Physiological Responses and Genetic Improvement for Biotic Stress Resistance: Volume 2 , pp 37-63
- Publication Date: November 2023
- Language: English
Microorganisms found in plants exist as epiphytes or endophytes. Most epiphytes remain on plant surfaces and the latter may be intracellular pathogens, opportunistic and adapted microbial colonisers that originate from the surrounding environment. The main purpose of agricultural practices is thus, to develop disease-free varieties by propagating plants under controlled environmental conditions. Such conditions should be optimal for plant production and reduce disease development. The former requires strict certification schemes via several routes that include (i) indexing with subsequent removal of infected or contaminated materials from the production chain (ii) meristem and other tissue culture production systems and (iii) the use of thermo or chemotherapy for phytosanitation. Other methods also require balancing and proper adjustments in fertilizer usage and crop rotation. Therefore, this chapter reviews the role of microbial pathogen indexing as a means of controlling bacterial, fungal, and viral diseases that have a significant role to play in agriculture.
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