Effective Sorting System for Wheat Grain Using an Optical Sorter

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  • HARA Keisuke
    Tokachi Agricultural Experiment Station, Hokkaido Research Organization
  • INANO Ichiro
    Central Agricultural Experiment Station, Hokkaido Research Organization

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  • 光学式選別機を組み込んだ小麦の効率的な調製体系
  • コウガクシキ センベツキ オ クミコンダ コムギ ノ コウリツテキ ナ チョウセイ タイケイ

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Sorting yield decreases if scab-damaged wheat kernels are removed by conventional sorting systems because of the revised agricultural product inspection standard. The purpose of this study was to investigate the adaptability of an optical sorter to remove scab-damaged wheat kernels to increase sorting yield. The results showed that near-infrared transmittance of scab-damaged wheat kernels was apparently lower compared with that of nondamaged wheat kernels. Thus, the optical sorter equipped with a near-infrared sensor could remove scab-damaged wheat kernels. Sorting yield can be increased by using a wheat grain sorting system with an optical sorter built into the return process of the gravity separator.

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