不同氮肥利用效率水稻基因型剑叶光合特性.pdf

作物学报 ACTA AGRONOMICA SINICA 2009, 35(12): 22432251 /zwxb/ ISSN 0496-3490; CODEN TSHPA9 E-mail: xbzw@ DOI: 10.3724/SP.J.1006.2009.02243 不同氮肥利用效率水稻基因型剑叶光合特性 魏海燕1,2 张洪程1,2,* 马 群 1 戴其根1,2 霍中洋1,2 许 轲1,2 张 庆1 黄丽芬1 1 ; 2 , 225009 : 12 225 kg hm2 (F /F )PS II (F /F ) v m v o (Φ )(q )(q ) PSII P N (F /F F /F Φ q q ) v m v o PSII P N PS II : Photosynthetic Characteristics of Flag Leaf in Rice Genotypes with Dif- ferent Nitrogen Use Efficiencies 1,2 1,2,* 1 1,2 1,2 1,2 WEI Hai-Yan , ZHANG Hong-Cheng , MA Qun , DAI Qi-Gen , HUO Zhong-Yang , XU Ke , 1 1 ZHANG Qing , and HUANG Li-Fen 1 Jiangsu Province Key Laboratory of Crop Genetics and Physiology; 2 Innovation Center of Rice Cultivation Technology in Yangtze Valley, Ministry of Agriculture, Yangzhou University, Yangzhou 225009, China Abstract: Nitrogen (N) is yet the most important and largest input required in rice production although