摘要
以温敏核不育系810S为对照，对810S的淡黄叶突变体标810S叶绿素含量、净光合速率、暗呼吸速率和生物产量进行了比较研究．结果表明：淡黄叶突变体标810S各叶位叶绿素含量均比对照810S低，其光合色素含量的变化幅度为对照的60．9％～50．4％，但标810S各叶位净光合速率比对照高，增加幅度为4—5μmol·m^-2·s^-1．各发育时期的暗呼吸速率标810S比对照高0．23—0．35μmol·m^-2·s^-1，株高和生物学产量与810S接近．
A comparative study of the rice leaf chlorophyll content, net photosynthetic rate, dark respiration rate and forage vegetative yield are carried out between a chlorophyll-deficient variety （BiaoS10S） and Thermo-sensitive genic male-sterile indic rice （810S）. Results indicat that chlorophyll content of Biao810S is lower than that of 810S at different leaf position, and is only about 60.9% 50.4% corresponding to that of 810S, but the net photosynthetic rate of Bi- ao810S is 4 - 5 μmol. m^-2. s^-1 higher than that of 810S .The plant height and the forage vegetative yield of Biao810S are a little lower than that of parent at different developmental stages. Besides, Biao810S has the higher dark respiration rate which is 0.23 - 0.35 μmol. m^-2 .s^- 1 higher than that of 810S.
出处
《湖南师范大学自然科学学报》
CAS
北大核心
2007年第3期89-93,共5页
Journal of Natural Science of Hunan Normal University
基金
湖南省自然科学基金项目(065550033)
关键词
淡黄叶水稻突变体
叶位
叶绿素
光合特性
chlorophyll-deficient rice
leaf position
chlorophyll
photosynthetic characteristics
