喷施硼肥对紫花苜蓿光合作用及可溶性糖源库间运转的影响-作物学报.PDF

作物学报 ACTA AGRONOMICA SINICA 2010, 36(4): 665−672 /zwxb/ ISSN 0496-3490; CODEN TSHPA9 E-mail: xbzw@ DOI: 10.3724/SP.J.1006.2010.00665 喷施硼肥对紫花苜蓿光合作用及可溶性糖源库间运转的影响 * 宗毓铮 王雯玥 韩清芳 丁瑞霞 贾志宽 聂俊峰 / , 712100 : , , , , 1 2 3 5 , 3 0.3%( W/W) (B)(P )(T )(Chl), 75% n r 39%30%70%, 3 0.2%( W/W), 37%, (50%); 0.5%( W/W), , : ; ; ; ; Effects of Different Levels of Boron Fertilizer on Alfalfa Photosynthesis and Source-Sink Translocation of Soluble Carbohydrate in Alfalfa * ZONG Yu-Zheng, WANG Wen-Yue, HAN Qing-Fang , DING Rui-Xia, JIA Zhi-Kuan, and NIE Jun-Feng The Arid and Semi-arid Areas Research Center of Agriculture, Northwest AF University / Key Laboratory of Crop Production and Ecology, Minister of Agriculture, the People’s Republic of China, Yangling 712100, China Abstract: Alfalfa, one of the uppermost leguminous grasses in the world, is widely cultivated in arid-semiarid areas of the loess plateau. Because the content of water-soluble boron (B) is less than 0.5 mg kg–1 in 56% soil in loess plateau and alfalfa is a highly sensitive crop to B, it is necessary to supply adequate B for pe