2024-03-29T08:08:33Z
https://niigata-u.repo.nii.ac.jp/oai
oai:niigata-u.repo.nii.ac.jp:00002169
2022-12-15T03:35:00Z
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Nitrogen Fixation and Translocation in Young Sugarcane (Saccharum officinarum L.) Plants Associated with Endophytic Nitrogen-Fixing Bacteria
Nitrogen Fixation and Translocation in Young Sugarcane (Saccharum officinarum L.) Plants Associated with Endophytic Nitrogen-Fixing Bacteria
Momose, Atsushi
Ohtake, Norikuni
Sueyoshi, Kuni
Sato, Takashi
Nakanishi, Yasuhiro
Akao, Shoichiro
Ohyama, Takuji
日本微生物生態学会
本文データは学協会の許諾に基づきJ-Stageから複製したものである
^<15>N_2
nitrogen fixation
Sacharum officinarum L.
sugarcane roots
translocation
The tracer 15N2 was used to investigate sites of N2 fixation and the possible translocation of the fixed N. Young sugarcane plants (Saccharum officinarum L.) from a stem cutting were exposed to 15N2-labeled air in a 500 mL plastic cylinder. Plants fed 15N2 for 7 days were grown in normal air for a further chase period. After 21 days, about half of the N originating in the stem cutting had been transported to the shoot and roots, suggesting that the cutting played a role in supplying N for growth. After 3 days of feeding, the percentage of N derived from 15N2 was higher in the roots (2.22%) and stem cutting (0.271%) than the shoot (0.027%). Most of the fixed N was distributed in the 80% ethanol-insoluble fractions in each plant part, and the 15N fixed either in the roots or in the stem cutting remained there and was not appreciably transported to the shoot. The results were quite different from the fate of fixed N in soybean nodules, which is rapidly transported from nodules to roots and shoots.
日本微生物生態学会
2009-09
eng
journal article
http://hdl.handle.net/10191/23758
https://niigata-u.repo.nii.ac.jp/records/2169
info:doi/10.1264/jsme2.ME09105
https://www.jstage.jst.go.jp/article/jsme2/24/3/24_ME09105/_pdf
AA11173196
13426311
Microbes and environments
Microbes and environments
24
3
224
230
https://niigata-u.repo.nii.ac.jp/record/2169/files/24_3_224-230.pdf
application/pdf
533.5 kB
2019-07-29