Remote sensing is a rapid, non-invasive and efficient technique which can acquire and analyze spectral properties of earth surfaces from various distances, ranging from satellites to ground-based platforms. This modern technology holds promise in agricultural crop production including crop protection. Variability in the reflectance spectra of plants resulting from occurrence of disease and pests, allows their identification using remote sensing data. Various spectroscopic and imaging techniques like visible, infrared, multiband and fluorescence spectroscopy, fluorescence imaging, multispectral and hyperspectral imaging, thermography, nuclear magnetic resonance spectroscopy etc. have been studied for the detection of plant diseases. Several of these techniques have great potential in phytopathometry. Remote sensing technologies will be extremely helpful to greatly spatialize diagnostic results and thereby rendering agriculture more sustainable and safe, avoiding expensive use of pesticides in crop protection.
: Sustainable use of renewable natural resources is a present day demand. To o maintain a ecological balance in the environment, a study was conducted to extract fibre from the waste stem of okra plant and its utilization for making different utility products to fulfil day today needs. The physico-chemical properties such as microscopic structure, IR spectra, length and breadth of fibre, tensile strength, elongation and chemical constituents of bhindi fibre were evaluated. Six different types of products were made and these suitability was tested by a panel of judges and found that the functionality of the developed products were suitable for its intended purpose
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