Sun Xiao-xia, Deng Jia-yao, Jiang Bao-yue, Jia Xiao-li, Xiong Jun, Lin Wen-xiong
School of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
Ying Yong Sheng Tai Xue Bao. 2008 Dec;19(12):2651-5.
By using a population of 123 F12 lines (recombinant inbred lines, RILs) derived from a cross between India variety Dular and Japanica variety Lemont, an analysis of quantitative trait loci (QTL) was conducted for the flag leaf chlorophyll content of rice. The chlorophyll content was determined by SPAD-502 in 2005 and 2006, respectively, and software QTLMapper 1.6 was applied to analyze the QTL, including the additive and epistatic effects and the QTL interactions with environment for chlorophyll content. A total of ten QTL showing additive effects on chlorophyll content (Chl) were detected, which accounted for 73.51% of the phenotypic variation. The percentage of phenotypic variation explained by single QTL was 2.08%-20.14%, and the interactions of 6 QTLs with environment (AE) were significant. Epistasis analysis indicated that there existed 13 significant additive x additive interactions on chlorophyll content, 6 pairs of which were significant in additive x additive interactions with environment (AAE).
利用印度品种杜拉（Dular）与粳稻品种 Lemont 杂交得到的 123 个 F12 株系（重组自交系，RILs）群体，对水稻剑叶叶绿素含量进行了数量性状位点（QTL）分析。分别于 2005 年和 2006 年用 SPAD - 502 测定叶绿素含量，并应用 QTLMapper 1.6 软件分析 QTL，包括叶绿素含量的加性效应、上位性效应以及 QTL 与环境的互作。共检测到 10 个对叶绿素含量（Chl）有显著加性效应的 QTL，占表型变异的 73.51%。单个 QTL 解释的表型变异百分比为 2.08% - 20.14%，6 个 QTL 与环境的互作（AE）显著。上位性分析表明，叶绿素含量存在 13 个显著的加性×加性互作，其中 6 对在加性×加性与环境互作（AAE）中显著。
