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論文

Evaluation of effect of root parasite on nitrogen translocation and distribution in the host plant by Positron Emitting Tracer Imaging System (PETIS)

関本 均; 本田 修三*; 加藤 翔太*; 落合 由記子*; 米山 香織*; 米山 弘一*; 竹内 安智*; 河地 有木; 藤巻 秀; 鈴井 伸郎; et al.

JAEA-Review 2006-042, JAEA Takasaki Annual Report 2005, P. 125, 2007/02

To share the absorbed nitrogen with host plant would be one of strategy for survival of root parasites. Translocation of $$^{13}$$N$$^{-}$$nitrate or $$^{13}$$N$$^{-}$$ammonium in the root system of red clover infected by broomrapes (${it Orobanche minor}$ Sm.) was examined by a positron emitting tracer imaging system (PETIS). PETIS images indicated that the distribution ration of $$^{13}$$NH$$_{4}$$$$^{+}$$ in the shoot to in the whole ${it Orobanche}$- infected plant was lower than in no-infected plant, indicating that ${it Orobanche}$ easily compared with $$^{13}$$NO$$_{3}$$$$^{-}$$.

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