水稲粗玄米粒厚分布の省力化調査法について

日本作物学会紀事

伊田 黎之輔¹ 

[1] 鳥取県八頭農業改良普及所

关键词: Assessment method;    調査方法;    Crude brown rice;    粗玄米;    Distribution of thickness of crude brown rice;    粒厚分布;    Koshihikari;    コシヒカリ;    Multiple comparison procedure;    多重比較法;    Nipponbare;    日本晴;    Paddy rice;    水稲;    Quadrat-sampling slot-sieving grader;    縦目篩振盪機;   

DOI  :  10.1626/jcs.76.450

学科分类：农业科学（综合）

来源: Nihon Sakumotsu Gakkai / Crop Science Society of Japan

【 摘 要 】

This study was conducted to improve the method of assessing the thickness distribution of crude brown rice using a quadrat-sampling slot-sieving grader. The official method for assessing the thickness distribution of crude brown rice is to shake about 200 g of crude brown rice for 5 min, then use a sieving grader. Using Koshihikari and Nipponbare varieties in good ripening conditions, we used a 2 × 3 factorial design with three randomized blocks to assess the relationship between the time of shaking (2 min, 5 min, 8 min) and the sample weight of crude brown rice (ca. 200 g, ca. 100 g). No significant relationship was found between the sample weight and the time of shaking. However, each main effect was shown to be significant. The results of multiple comparison using the Holm method revealed that shaking of 100 g crude brown rice for 2 min is the best method. This method reduces the sample weight of crude brown rice, thereby shortening the shaking time. This method is a practical method that can reduce assessment costs when in good ripening conditions.

【 授权许可】

Unknown