Quantitative analysis of the initial transport of fixed nitrogen in nodulated soybean plants using N as a tracer

Hung, N. V. P.*; Watanabe, Shiori*; Ishikawa, Shinji*; Otake, Norikuni*; Sueyoshi, Kuni*; Sato, Takashi*; Ishii, Satomi; Fujimaki, Shu; Oyama, Takuji*

Soil Science and Plant Nutrition, 59(6), p.888 - 895, 2013/12

https://doi.org/10.1080/00380768.2013.838742

Nutritional physiology of essential elements in higher plants

Makino, Amane*; Sueyoshi, Kuni*; Suzuki, Yuji*; Kawachi, Naoki; Tawaraya, Keitaro*; Otsu, Naoko*; Nakanishi, Hiromi*; Fujiwara, Toru*

Nihon Dojo Hiryo Gaku Zasshi, 82(2), p.152 - 159, 2011/04

https://doi.org/10.20710/dojo.82.2_152

This paper is a proceeding of the fourth division (Plant nutrition) symposium theme of discussed in the annual conference of 2011 soil science and plant nutrition at Hokkaido University. N. Kawachi, an author who takes charge of third section, discuss nutritional physiology revealed by imaging analysis of element kinetics in plants. This section focuses on introducing a RI imaging system developed in Japan Atomic Energy Agency. In addition, it is expressed that the analytical research conducted on nutritional physiology in plants as revealed by imaging of element kinetics.

Interaction between nitrogen nutrients acquisition function and distribution of photosynthetic products

Oyama, Takuji*; Sueyoshi, Kuni*; Otake, Norikuni*; Ito, Sayuri*; Ishibashi, H.*; Hara, T.*; Kimura, T.*; Matsuhashi, Shimpei; Fujimaki, Shu; Suzui, Nobuo; et al.

JAEA-Review 2006-042, JAEA Takasaki Annual Report 2005, P. 122, 2007/02

Quantitative analysis of transport of fixed nitrogen from soybean nodule using N as a tracer

Hung, N. V. P.; Watanabe, Shiori*; Ishikawa, Shinji*; Otake, Norikuni*; Sueyoshi, Kuni*; Ishii, Satomi; Fujimaki, Shu; Oyama, Takuji*; Yashima, Hiroyuki*

no journal, , 

Biological Nitrogen Fixation (BNF) plays an important role in the plant life especial in legume species. Through symbiotic fixation process, legume plants can use atmospheric nitrogen as nutritional source for their growth and development. Soybean plants have an ability to fix dinitrogen (N) in the atmosphere in root nodules and absorb nitrogen either from fertilizer or soil N. Soybean needs a large amount of N to synthesize seed storage protein especial in stage of pod filling. Many studies have been carried out in the fields of BNF, but up to now the accurate measurement of transport rate of fixed N has not determined yet. Until now, there are many methods to investigate nitrogen fixation and transportation in leguminous plants. This study used N isotope as a tracer to quantify nitrogen fixation and the transport rate of fixed N to various parts of shoots and roots in nodulated soybean plants during relatively short time from 1 h to 8h.