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| Author(s): | Yamamoto, S.;
Kani, S.;
Mino, Y. |
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| Author Affiliation: | Lab. of Environmental Bot., Obihiro Univ., Inada, Obihiro 080, Japan |
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| Title: | Effect of photosynthate on the carbohydrate metabolism in the haplocorm of timothy (Phleum pratense L.) |
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| Source: | Journal of Japanese Society of Grassland Science. Vol. 25, No. 1, 1979, p. 49-54. |
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| Keywords: | TIC Keywords: Phleum pratense; Light; Enzymes; Corms
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| Geographic Terms: | Japan |
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| Abstract/Contents: | In the haplocorm of timothy av. fresh wt. was almost constant in both shaded and unshaded conditions. Shading decreased sucrose hydrolysing activity by c. 50% after 5 days then activity increased to twice the initial level after 12 days. Shading had no effect on fructosan hydrolysing activity. The 5 fractions of sucrose hydrolysing activity separated by DEAE Sephadex A-50 column chromatography included 3 which decreased for 5 days and 2 which increased thereafter. Shading did not affect 2 fractions of fructosan hydrolysing activity, but fructosan content was decreased by shading. It was concluded that lack of photosynthate from the aerial organs was not the main factor in induction of the activities of these enzymes in haplocorms. |
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| Language: | English |
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| References: | 8 |
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| Note: | Summary appears in Japanese |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Yamamoto, S., S. Kani, and Y. Mino. 1979. Effect of photosynthate on the carbohydrate metabolism in the haplocorm of timothy (Phleum pratense L.). Journal of Japanese Society of Grassland Science. 25(1):p. 49-54. |
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