头季稻与再生稻稻米品质比较试验

Quality Differences of Main Crop and Ratoon Crop Rice

对南平市建阳区9个水稻主栽品种头季稻与再生稻的稻米碾磨品质、稻米外观品质、蒸煮食用品质进行系统分析。结果表明:再生稻的糙米率、精米率、整精米率均高于头季稻;再生稻的垩白粒率、垩白度均低于头季稻;头季稻与再生稻的碱消值、直链淀粉含量存在一定差异;总体表现出再生稻的稻米品质优于头季稻。

9 main rice varieties in Jianyang were used to analyze the differences in milling quality, appearance quality and cooking quality of main crop and ratoon crop. Results showed that compared with main crop, ratoon crop rice had higher percentage of brown rice, percentage of milled rice, percentage of head rice, lower percentage of chalky grain and chalkiness degree. There is also some differences in alkali spreading value and amylose content. Comprehensively, the ratoon crop rice had higher quality than main cop rice.