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Non-invasive early sensing of soft rot and dry rot in stored potato tubers by analysis of volatile organic compound emission

Implementing Organization

Indian Institute of Technology Goa
Indian Institute of Technology (IIT), Roorkee

About

E-nose based sensor development is aimed for early detection before appearance of symptoms in post-harvest diseased condition in potato. The E-nose sensor prototype developed for the purpose uses an array of sensor. It uses volatile detection with a small heating element designed to react to VOCs only when very small amount is injected in the specialized chamber for injection. The chamber remains air-tight and pumped after each use to eliminate noise. The results from the sensor indicate steady detection in laboratory conditions where the sensor array is used to sense altogether.

Patents

Filing of patent is in progress.

Outcome / Output

Potato, the third most important crop in terms of consumption after rice and wheat, feeds hundreds and millions of people throughout the year. Owing to tropical and sub-tropical conditions, post-harvest loss due to storage accounts to 40-50%. Dry rot (caused by Fusarium sambucinum) and Soft rot (caused by Erwinia carotovora) cause huge post-harvest loss. This technology will help farmers for the early detection of soft rot and dry rot disease which is major post-harvest disease of potato, causing major loss in potato yield. In current age of smart phones, the technology can be easily transferred to grassroot level, where it can be accessed by farmers very easily. It can save time and labour intensified in identifying loss of production.
Funding Organization
Funding Organization
Anusandhan National Research Foundation (ANRF)
Quick Information
Thrust Areas
Agricultural Sciences
Focus Area
Non-invasive E-nose sensor
Sanction Amount
₹ Rs. 48.47 lakh
Status
Calibrated and tested extensively and filing of patent is on process.
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