The dense and erect panicle (EP) genotype conferred by DEP1 has been widely used in the breeding of high-yield Chinese japonica rice varieties.However,the breeding value of the EP genotype has rarely been determined a...The dense and erect panicle (EP) genotype conferred by DEP1 has been widely used in the breeding of high-yield Chinese japonica rice varieties.However,the breeding value of the EP genotype has rarely been determined at the plant population level.Therefore,the effects of the interaction of EP genotype and the environment at different locations and times on rice yield and its various components were investigated in this study.Two sets of near-isogenic lines (NILs)of EP and non-EP (NEP) genotypes with Liaojing 5 (LG5) and Akitakomachi (AKI) backgrounds were grown in the field in 2016 and 2017 in Shenyang,China,and Kyoto,Japan.In 2018,these sets were grown only in Kyoto,Japan.The average yields of the EP and NEP genotypes were 6.67 and 6.13 t ha^(-1)for the AKI background,and 6.66 and 6.58 t ha^(-1)for the LG5 background,respectively.The EP genotype positively affected panicle number (PN) and grain number per square meter (GNPM),mostly resulting in a positive effect on harvest index (HI).In contrast,the EP genotype exerted a negative effect on thousand-grain weight (KGW).The ratio of the performance of the EP genotype relative to the NEP genotype in terms of yield and total biomass correlated positively with mean daily solar radiation during a 40-day period around heading.These results indicate that the effectiveness of the EP genotype depends on the availability of solar radiation,and the effect of this genotype is consistently positive for sink formation,conditional in terms of source capacity,and positive in a high-radiation environment.展开更多
目的研究分析2型糖尿病患者采用瑞格列奈联合盐酸二甲双胍治疗的临床效果。方法50例2型糖尿病患者,随机分为实验组和对照组,各25例。对照组采用瑞格列奈治疗,实验组采用瑞格列奈联合盐酸二甲双胍治疗。对比两组治疗前后血糖指标、不良...目的研究分析2型糖尿病患者采用瑞格列奈联合盐酸二甲双胍治疗的临床效果。方法50例2型糖尿病患者,随机分为实验组和对照组,各25例。对照组采用瑞格列奈治疗,实验组采用瑞格列奈联合盐酸二甲双胍治疗。对比两组治疗前后血糖指标、不良反应发生率、治疗效果。结果治疗后,两组的糖空腹血糖(FPC)、化血红蛋白水平(HbA1c)、餐后2 h血糖(2 h PC)水平均较治疗前下降,且实验组低于对照组,差异有统计学意义(P<0.05)。实验组不良反应发生率为4.00%,低于对照组的24.00%,差异有统计学意义(P<0.05)。实验组的治疗总有效率为96.00%(24/25),高于对照组的72.00%(18/25),差异有统计学意义(P<0.05)。结论采用瑞格列奈联合盐酸二甲双胍治疗2型糖尿病患者,疗效确切,有效改善患者血糖指标水平,减少不良反应的发生率,用药安全性高且可靠,建议在临床中广泛推广。展开更多
基金supported by the Joint Funds of the National Natural Science Foundation of China(U1708231 and JSPS KAKENHI,26292013)。
文摘The dense and erect panicle (EP) genotype conferred by DEP1 has been widely used in the breeding of high-yield Chinese japonica rice varieties.However,the breeding value of the EP genotype has rarely been determined at the plant population level.Therefore,the effects of the interaction of EP genotype and the environment at different locations and times on rice yield and its various components were investigated in this study.Two sets of near-isogenic lines (NILs)of EP and non-EP (NEP) genotypes with Liaojing 5 (LG5) and Akitakomachi (AKI) backgrounds were grown in the field in 2016 and 2017 in Shenyang,China,and Kyoto,Japan.In 2018,these sets were grown only in Kyoto,Japan.The average yields of the EP and NEP genotypes were 6.67 and 6.13 t ha^(-1)for the AKI background,and 6.66 and 6.58 t ha^(-1)for the LG5 background,respectively.The EP genotype positively affected panicle number (PN) and grain number per square meter (GNPM),mostly resulting in a positive effect on harvest index (HI).In contrast,the EP genotype exerted a negative effect on thousand-grain weight (KGW).The ratio of the performance of the EP genotype relative to the NEP genotype in terms of yield and total biomass correlated positively with mean daily solar radiation during a 40-day period around heading.These results indicate that the effectiveness of the EP genotype depends on the availability of solar radiation,and the effect of this genotype is consistently positive for sink formation,conditional in terms of source capacity,and positive in a high-radiation environment.
文摘目的研究分析2型糖尿病患者采用瑞格列奈联合盐酸二甲双胍治疗的临床效果。方法50例2型糖尿病患者,随机分为实验组和对照组,各25例。对照组采用瑞格列奈治疗,实验组采用瑞格列奈联合盐酸二甲双胍治疗。对比两组治疗前后血糖指标、不良反应发生率、治疗效果。结果治疗后,两组的糖空腹血糖(FPC)、化血红蛋白水平(HbA1c)、餐后2 h血糖(2 h PC)水平均较治疗前下降,且实验组低于对照组,差异有统计学意义(P<0.05)。实验组不良反应发生率为4.00%,低于对照组的24.00%,差异有统计学意义(P<0.05)。实验组的治疗总有效率为96.00%(24/25),高于对照组的72.00%(18/25),差异有统计学意义(P<0.05)。结论采用瑞格列奈联合盐酸二甲双胍治疗2型糖尿病患者,疗效确切,有效改善患者血糖指标水平,减少不良反应的发生率,用药安全性高且可靠,建议在临床中广泛推广。
