数種ケナフのバイオマス生産と光合成特性の比較

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タイトル別名
  • Comparison of Biomass Production and Photosynthetic Characteristics in Some Varieties of Kenaf
  • スウシュ ケナフ ノ バイオマス セイサン ト コウゴウセイ トクセイ ノ ヒカク

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抄録

Kenaf is a kind of fiber crop, and recently, research has been carried out to evaluate its suitability as a source of paper. In the present study, we analyzed the differences in the growth, morphological and physiological characteristics of 4 kenaf varieties (Yuefeng 1, Thai strain, Myanmar strain and National Agriculture Research Center (NARC) strain) .<BR>We made six ridges in a field (5.4m×6m) at the Agricultural and Forestry Research Center, Univ. of Tsukuba, and all the ridges were divided into 4 blocks. Seedlings of the 4 varieties were transplanted to blocks in each ridge with a randomized block design (hill distance: 15 cm, row distance: 1 m) on May 18-22, 2002. All the varieties were harvested on October 29 and 30.<BR>Plant height and the number of nodes of the kenaf plots increased till September, especially Yuefeng 1 showed the highest values among the four varieties. Plant height of the Thai strain was the lowest, but the nodal number, fresh and dry weight were the highest among the 4 varieties during the cultivation period. Number and weight of the main stem leaves of the Yuefeng 1 and Myanmar strains were higher than those of the Thai strain and NARC strain at harvest time. Most of the leaves of the main stem of the NARC strain had fallen at harvest time.<BR>Differences in the photosynthetic rate among the four varieties were not significant of the early stage of cultivation. Photosynthetic rate of the Thai strain decreased at the middle stage remarkably, and was lower than that of any other varieties at the harvest stage.

収録刊行物

  • 熱帯農業

    熱帯農業 48 (1), 35-39, 2004

    日本熱帯農業学会

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