重庆气候与稻米营养品质的关系研究  

A Study on the Relationship Between the Nutritional Quality of Rice and Climate in Chingqing

作　　者：唐玮玮[1,2] 彭国照[2] 高阳华 陈志军 

机构地区：[1]成都信息工程学院资源环境系,成都610225 [2]中国气象局成都高原气象研究所,成都610071 [3]重庆市气象科学研究所,重庆401147

出　　处：《西南大学学报（自然科学版）》2008年第12期65-69,共5页Journal of Southwest University(Natural Science Edition)

基　　金：四川省气象局"四川省气候生态监测服务系统建设"资助项目;重庆市气象局开放式研究基金资助项目(200527);国家科技部农业科技成果转化资助项目(04EFN217400409);国家科技部"西部开发科技行动"重大资助项目(2005BA901A01);国家科技支撑计划资助项目(2007BAC03A06)

摘　　要：利用优质稻品种"宜香9303"在重庆市云阳县、忠县和南川市的地理分期播种试验资料和稻米蛋白质、氨基酸的实验室化验资料,采用逐段筛选的统计分析方法,研究了从齐穗前40 d到成熟期间气候条件对稻米蛋白质、氨基酸含量影响的关键时期和关键因子.结果表明:温度、日照时数影响的关键期在齐穗前35 d至齐穗阶段,温度日较差影响的关键时期在齐穗前10 d至齐穗后15 d.温度、日照时数与营养品质存在明显的抛物线关系,温度日较差与营养品质有明显的直线关系.Based on the test data of phased planting in Yunyang, Zhongxian and Nanchuan in Chongqing and the laboratory data of rice protein and amino acids of the high quality rice cultivar ＂Yi Xiang 9303＂,the article studied the crucial period and key factors for the influence of climate conditions in the period from 40 days before full heading to maturity on the content of protein and amino acids of rice grains. The crucial period for the influences of temperature and sunshine duration was found to be from 35 days before full heading to full heading, and the crucial period for the influences of temperature and daily range on rice quality was from 10 days before full heading to 15 days after full heading. A significant parabolic relationship was observed between temperature and sunshine hours and nutritional quality and a significant linear relationship between temperature and daily range and nutritional quality.

关 键 词：营养品质 气候影响 稻米 重庆 

分 类 号：S162.53[农业科学—农业气象学]