Publication:
Potential for early detection of powdery mildew in okra under field conditions using thermal imaging

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Date

2023-01-01

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ŞAHİN, YAVUZ SELİM
Bütüner, Alperen Kaan
Erdoğan, Hilal

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Univ Agronomic Sciences & Veterinary Medicine Bucharest - Usamv

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Abstract

In recent years, apprehensions surrounding the pervasive employment of chemical control methods in global agricultural production have intensified, primarily due to their detrimental effects on non-target organisms. This situation accentuates the importance of technology-driven alternatives for managing plant diseases in agriculture. One such technological innovation, thermal imaging technology, has emerged as a promising tool for the early detection of plant diseases. Infections often induce stress in plants, leading to either elevated or reduced temperatures at the point of infection. It is postulated that thermal imaging may effectively identify such temperature deviations in plant tissues afflicted by disease during the initial stages. The study investigated temperature differences in leaves infected by Erysiphe cichoracearum, with disparities up to 1.6 degrees C. Over three weeks, the surface temperatures of numerous leaves were analysed at 30-minute intervals. In three weeks period, it was shown that infected leaf surfaces had significantly lower average daily temperatures than ambient and healthy leaf temperatures. Furthermore, healthy leaf temperatures remained consistently lower than ambient temperatures throughout the study.

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Heterorhabditis-bacteriophora poinar, Water-stress, 1st report, Strain, Cichoracearum, Thermography, Resistance, Diagnosis, L., Thermal imaging, Okra, Powdery mildew, Science & technology, Life sciences & biomedicine, Agricultural economics & policy, Agriculture

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