The Selection of Optimum Rice Species and Germanium Application Method for Production of Functional Rice with Germanium
2008
Lim, J.S. (Gyeongsang National University, Jinju, Republic of Korea) | Seo, D.C. (Louisiana State University, Baton Rouge, Louisiana, LA, USA) | Park, W.Y. (Gyeongsang National University, Jinju, Republic of Korea) | Cheon, Y.S. (Gyeongsang National University, Jinju, Republic of Korea) | Park, S.K. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, S.T. (Gyeongsangnam-do Agricultural Research and Extension Services, Jinju, Republic of Korea) | Park, J.H. (Yeongsan River Environmental Research Center, Gwangju, Republic of Korea) | Kim, S.D. (Yeongsan River Environmental Research Center, Gwangju, Republic of Korea) | Cho, J.S. (Sunchon National University, Sunchon, Republic of Korea), E-mail: [email protected] | Heo, J.S. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: [email protected]
To select of optimum rice species and germanium (Ge) application method for production of functional rice with Ge, the growth characteristics, Ge absorption and grain quality of rice plant were investigated under different rice species (Hopyungbyeo, Junambyeo, Ilmeebyeo and Dongjinbyeo) and Ge application method (soil application and foliar spray). The rice yield by soil application was higher in the order of Hopyungbyeo approximately equal to or the image of Junambyeo greater-than Ilmeebyeo much greater-than Dongjinbyeo. On the other hand, the rice yield by foliar spray was higher in the order of Junambyeo much greater-than Ilmeebyeo greater-than Dongjinbyeo greater-than Hopyungbyeo. The rice yield by soil application was higher than that by foliar spray regardless of rice species. For soil application, the Ge absorption in various parts of the rice was higher in the other of rice bran greater-than brown rice greater-than polished rice regardless of rice species. The Ge absorption of brown rice in Hopyungbyeo, Ilmeebyeo, Dongjinbyeo and Junambyeo by soil application was 14.5, 8.0, 11.6 and 10.4 mg kg-¹, respectively. In leaf, stem and root, the Ge absorption by foliar spray was higher than that by soil application, whereas, in rice bran, brown rice and polished rice, the Ge absorption by soil application was higher than that by foliar spray. The optimum rice species and Ge application method were demonstrated to be Hopyungbyeo and soil application, respectively, which provided suitable conditions for production of functional rice with Ge.
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