Effect of Various Carbon Sources and Their Combinations on in vitro Growth and Photosynthesis of Banana Plantlets

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概要

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• The effects of various carbon sources, sucrose, glucose and fructose alone or in combination on the in vitro growth of banana plantlets were studied.Banana plants were cultured on the media supplemented with these carbon sources at 0.08 M for 13 weeks.The water potential of the medium was highest in the medium supplemented with sucrose+glucose(-0.3 MPa), and was significantly lower in the medium supplemented with fructose alone or in combination with other carbon sources(-0.7 to -1.0 MPa)than in the other media.The leaf water potential was also the highest in the plants cultured on the medium supplemented with sucrose+glucose, and lowest in the plants cultured on that with fructose.The leaf water potential of plants cultured on suclose+glucose, sucrose and glucose correlated well with their growth and photosynthetic activity, but the correlation was not observed in the plants cultured on fructose alone or in combination with other carbon sources.Plants cultured on fructose had a lower chlorophyll content(400 μg dm~-2)and lower photosynthetic rate(3 μmolO_2m~-2s~-1)than those cultured on sucrose+glucose(15, 950 μg dm~-2 for chlorophyll and 8.5 μmolO_2m~-2s~-1 for photosynthesis), and these differences were statistically significant.Both chlorophyll content and photosynthetic oxygen evolution were the highest in the plants cultured on sucrose+glucose, and the superior growth of plants on this medium was attributed to their high photosynthetic effeciency.

• 日本作物学会の論文

著者

• KAWAMITSU Yoshinobu

  Faculty of Agriculture, University of the Ryukyus

• YONEMORI Shigeyasu

  Faculty of Agriculture, University of the Ryukyus

• MURAYAMA Seiichi

  Faculty of Agriculture, University of the Ryukyus

• Murayama Seiichi

  Faculty Of Agriculture University Of The Ryukyus

• Murayama Seiichi

  Kanagawa Institute Of Technology

• Yonemori Shigeyasu

  Faculty Of Agriculture University Of The Ryukyus

• Kawamitsu Yoshinobu

  Faculty Of Agriculture University Of The Ryukyus

• Kawamitsu Yoshinobu

  Department Of Agriculture Faculty Of Agriculture Kyushu University

• Kawamitsu Yoshinobu

  Laboratory Of Crop Husbandry Faculty Of Agriculture Kyushu University

• Murayama S

  Fac.of Agri. Univ.of The Ryukyus

• Murayama Seiichi

  Coll .of Agric. Univ. Of The Ryukyus

• Kawamitsu Y

  Faculty Of Agriculture University Of The Ryukyus

• Jhon Nelson

  Faculty of Agriculture, University of the Ryukyus

• Hayashi Mitsuru

  Faculty of Agriculture, Kagoshima University, Korimoto

• Jhon Nelson

  Faculty Of Agriculture University Of The Ryukyus

• Hayashi Mitsuru

  Faculty Of Agriculture Kagoshima University Korimoto

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