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Difference of Curcumin Content in Curcuma longa L. (Zingiberaceae) Caused by Hybridization with Other Curcuma Species
Hiroshi Hayakawa, Yukio Minaniya, Katsura Ito, Yoshinori Yamamoto, Tatsuya Fukuda
Am. J. Plant Sci. Vol.2 No.2, July 01, 2011  DOI: 10.4236/ajps.2011.22013
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Correlation between Sex Stages and Leaf Numbers in Arisaema tosaense Makino (Araceae)
Yuko Muramatsu, Kanako Matsuyama, Hiroshi Hayakawa, Yukio Minamiya, Katsura Ito, Ryo Arakawa, Tatsuya Fukuda
Am. J. Plant Sci. Vol.3 No.1, December 31, 2011  DOI: 10.4236/ajps.2012.31012
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Development of a Molecular Marker to Identify a Candidate Line of Turmeric (Curcuma longa L.) with a High Curcumin Content
Hiroshi Hayakawa, Tetsuya Kobayashi, Yukio Minaniya, Katsura Ito, Akira Miyazaki, Tatsuya Fukuda, Yoshinori Yamamoto
Am. J. Plant Sci. Vol.2 No.1, March 04, 2011  DOI: 10.4236/ajps.2011.21002
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Comparative Study of Leaf Morphology in Aster hispidus Thunb. var. leptocladus (Makino) Okuyama (Asteraceae)
Hiroshi Hayakawa,   Tunala, Yukio Minamiya, Katsura Ito, Stephan Gale, Jun Yokoyama, Ryo Arakawa, Tatsuya Fukuda
Am. J. Plant Sci. Vol.3 No.1, December 31, 2011  DOI: 10.4236/ajps.2012.31011
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Interspecific Hybridization between Arisaema sikokianum and A. serratum (Araceae) Confirmed through Nuclear and Chloroplast DNA Comparisons
Hiroshi Hayakawa, Hidenori Hamachi, Kanako Matsuyama, Yuko Muramatsu, Yukio Minamiya, Katsura Ito, Jun Yokoyama, Tatsuya Fukuda
Am. J. Plant Sci. Vol.2 No.4, October 31, 2011  DOI: 10.4236/ajps.2011.24061
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