OAR@ICRISATQuantification of Dhurrin in Different Types of Sorghum Forages by Near-Infrared Reflectance SpectroscopyK SVinuthaauthorP SRaoauthorK V S VPrasadauthorY RReddyauthorR SPrakashamauthorGSheeluauthorBNikhilaauthorMBlummelauthorHydrogen cyanide (HCN) is a toxic chemical that can potentially cause mild to severe reactions in animals upon feeding forage sorghum. Developing technologies to monitor the level of HCN in the growing crop could prevent livestock poisoning. In this study ncar-infrared spectroscopy (NIRS) calibration to estimate HCN in forage sorghum is developed. The full spectral NIRS range (1100-2498 nm) was used as well as specific spectral ranges within the full spectral range, i.e. , visible (400-750 nm), short wave (800-1100 nm) and near - infrared (NIR) (1100-2498 nm). Using the full spectrum approach and the modified partial least-squares (MPLS), the calibration produced a coefficient of determination (R2) = 0.869 and standard error of cross-validation (SFCV) = 97.53%, while the validation set had a R2=0.624 with a low standard error of prediction (SEP= 205.801 %).Sorghum2015-01College of Veterinary Science (Guwahati)Book Section

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