Plant pathogenicity and associated/related detection systems. A review
Rhea Patel1, Bappa Mitra2, Madhuri Vinchurkar3
1Centre for Research in Nanotechnology and Science, Indian Institute of Technology Bombay, Mumbai, India.
Talanta
|August 9, 2022
Summary
Early plant disease detection is crucial for crop productivity. Recent advances in miniaturized biosensors offer faster, more accurate on-field diagnostics, improving agricultural sustainability.
Area of Science:
- Agricultural science
- Biotechnology
- Sensor technology
Background:
- Traditional plant disease detection methods are slow and labor-intensive.
- Accurate and timely diagnosis is vital for crop productivity and global food security.
- There's a growing need for efficient tools for plant infection diagnosis and control.
Purpose of the Study:
- To review recent advancements in plant disease detection techniques, focusing on miniaturized systems.
- To highlight the transition from traditional laboratory methods to modern on-field biosensors.
- To categorize and discuss various biosensor types for pathogen detection.
Main Methods:
- Review of direct detection methods (e.g., polymerase chain reaction, enzyme-linked immune-sorbent assays, immunofluorescence).
- Review of indirect detection methods sensing plant stress indicators.
- Categorization of biosensors into electrochemical, optical, and mass-based types.
Main Results:
- Miniaturized systems and handheld devices for on-field detection have been developed and commercialized.
- Advanced biosensors offer high sensitivity and selectivity for plant pathogen detection.
- The review covers the evolution towards cost-effective, accurate, and timely diagnostic tools.
Conclusions:
- Innovative biosensor technologies are transforming plant disease diagnostics.
- These advancements contribute to a safer, more reliable, and sustainable agricultural sector.
- The trend towards biosensor-based pathogen detection is key for future agriculture.


