广西优质稻谷的种植品种及质量品质调查分析

Investigation and analysis of planting varieties and qualities of high quality paddy in Guangxi

对广西自治区2018年新收获154份优质稻谷的种植品种及质量品质进行调查分析,结果表明广西地区种植的优质稻谷品种资源丰富,有百香、丝香、野香优、油占、丝苗等;按GB/T 17891-2017《优质稻谷》标准规定进行质量品质分析,稻谷样品的食味品质分全部符合优质稻谷三级标准要求(≥70分),其中92.2%稻谷样品的食味品质分达到优质稻谷二级标准要求(≥80分),9.7%稻谷样品的食味品质分达到优质稻谷一级标准要求(≥90分);70.8%稻谷样品达到优质稻谷直链淀粉含量(干基)范围(14.0%~24.0%)要求,29.2%(45份)稻谷样品的直链淀粉含量(干基)低于14.0%,不符合优质稻谷标准规定要求,但是其中38份稻谷样品的食味品质分符合优质稻谷二级标准要求(≥80分),结果显示广西地区新收获优质稻谷的总体质量品质优良。

The planting varieties and qualities of 154 new high-quality paddy samples harvested in Guangxi in 2018 were investigated and analyzed in this paper. The results showed that abundant resources of high quality paddy varieties were planted in Guangxi, such as bai-xiang, silk fragrance, wild fragrance, oil percentage and silk seedlings. The food quality scores of the collected paddy samples all meet the requirement of grade III standard(≥70 points) specified in GB/T 17891-2017, 92.2% of the paddy samples could meet the requirement of grade II standard(≥80 points), and 9.7% of the paddy samples could meet the requirement of grade I standard(≥90 points). According to the requirements of high quality paddy amylose content(dry basis) range(14.0%~24.0%), 70.8% of the paddy samples could meet the requirements, and 29.2% of the total number of samples(45 paddy samples) was less than 14.0%, which did not meet the requirements of the standard, but 38 paddy samples of them could meet the requirement of grade II standard(≥80 points) specified in GB/T 17891-2017. The survey results showed that the whole quality of the newly harvested high quality paddy in Guangxi was excellent.