湖北农业科学2025，Vol.64Issue(8)：42-47,6.DOI:10.14088/j.cnki.issn0439-8114.2025.08.007
不同类型油菜光合生理特性及其与农艺性状的相关分析
Photosynthetic physiological characteristics of different types of rapeseed and their correlation with agronomic traits
摘要
Abstract
Forty-four different types of rapeseed were used as materials.The photosynthetic indices,chlorophyll content and green leaf area were measured at the initial flowering stage,and the agronomic traits were investigated at the mature stage.The photosynthet-ic characteristics of different types of rapeseed and their correlation with agronomic traits were analyzed,and materials with high net photosynthetic efficiency were screened out.The results showed that the chlorophyll content and net photosynthetic rate at the initial flowering stage were in the order of introduced Brassica napus>Brassica juncea>local Brassica napus>Brassica campestris.The net pho-tosynthetic rate of the 44 materials ranged from 2.20 to 11.47 μmol/(m2·s),showing a skewed normal distribution.The net photosyn-thetic rate of most materials was 4～6 μmol/(m2·s),accounting for 47%of the total materials.Correlation analysis showed that the net photosynthetic rate at the initial flowering stage was significantly positively correlated with plant height,branching position and num-ber of siliques per plant,with correlation coefficients of 0.426,0.340 and 0.289,respectively.Three materials with high net photosyn-thetic rate at the initial flowering stage were screened out,which were introduced Brassica napus variety Y16,and Brassica juncea vari-eties"94(08)"and"98(02)",with net photosynthetic rates of 11.47,10.33 and 11.04 μmol/(m2·s)respectively.关键词
甘蓝型油菜(Brassica napus L.)/芥菜型油菜(Brassica juncea L.)/白菜型油菜(Brassica campestris L.)/净光合速率/农艺性状Key words
Brassica napus L./Brassica juncea L./Brassica campestris L./net photosynthetic rate/agronomic traits分类
农业科技引用本文复制引用
赵彩霞,王晋雄,南志强,李施蒙,杨广环..不同类型油菜光合生理特性及其与农艺性状的相关分析[J].湖北农业科学,2025,64(8):42-47,6.基金项目
拉萨市区域协调创新专项项目(LSKJ202468) （LSKJ202468）
西藏自治区农牧科学院农业研究所统筹项目(NYSTC202407) （NYSTC202407）
国家农业产业技术体系项目(CARS-12) （CARS-12）
西藏自治区重点研发计划项目(XZ202201ZY0013N-02) （XZ202201ZY0013N-02）
