中国油料作物学报2012，Vol.34Issue(3)：249-255,7.
甘蓝型油菜同质异核细胞质雄性不育系与其保持系的光合特性
Photosynthesis of cytoplasmic male sterility lines with homocytonic and heteronuclear and their maintainers of rapeseed
摘要
Abstract
Photosynthetic characteristics difference between cytoplasmic male sterility (CMS) and their maintainers of Brassica napus were studied using 6 pairs of homocytonic and heteronuclear CMS materials. Features compared included chlorophyll of leaves and silique shell, photosynthetic parameters of gas exchange, diurnal variation of net photosynthetic rate (Pn) , variation of photosynthetic area in different stage, dry biomass of total plant and population photosynthetic rate. Results were; ( 1) In seedling and blooming periods, the photosynthetic characteristics of leaves (including leaf chlorophyll content, the main photosynthetic parameters of gas exchange, diurnal variation of Pn and population photosynthetic rate) showed no significant difference between CMS lines and corresponding maintainers. But green leaf area and dry biomass of total plant of CMS line were significantly higher than those of their maintainers. (2) In pod period, maintainers had significant larger area of pod skin, as well as Pn and transpiration rate than those of CMS. There were no significant differences on temperature of leaves, limitation stomata (Ls) and carbon dioxide concentration at intercellular spaces (Ci) as in CMS lines. (3) Although the CMS lines were homocytonic and heteronuclear, they had significant differences on photosynthetic parameters ( e. g. gas exchange, chlorophyll content, net assimilation of total plant and population photosynthetic rate) from each other. The main photosynthetic characteristics were highly positively correlated between CMS and their maintainers, indicating that characteristics in CMS were determined by their maintainers.关键词
光合特性/细胞质雄性不育系/保持系/甘蓝型油菜/育种/高光效Key words
Photosynthetic characteristics/ CMS line/ Maintainers/ Brassica napiu/ Breeding/ High photosyn-thetic efficiency分类
农业科技引用本文复制引用
张耀文,王竹云,田建华,陈娜,董育红,陈文杰,李殿荣,赵小光..甘蓝型油菜同质异核细胞质雄性不育系与其保持系的光合特性[J].中国油料作物学报,2012,34(3):249-255,7.基金项目
陕西省重大科技专项计划(2006K206-62) （2006K206-62）
国家科技支撑计划(2006ABD01A04) （2006ABD01A04）
国家油菜现代产业技术体系建设专项(CARS-13) （CARS-13）
