Study on the Drought Resistance of Four Dwarf Ornamental Bamboos

The physiological and biochemical responding of four dwarf bamboos (Pleioblastus kongosanensis f. aureostriatus, Sasa fortunei, Sasa argenteostriatus and Sasa auricoma) to drought stress by withholding water were studied. The results indicated that the free proline contents, cell membrane permeability and the MDA contents of bamboo leaves increased with the prolongation of the stress time, the soluble sugar contents and the activity of SOD, POD and CAT showed increasing at the beginning and decreasing at the end. The physiological and biochemical indexes were measured to assess the drought-resistant ability of dwarf bamboos by Membership Function. The results showed that the four dwarf bamboos were ordered in sequence from strong to weak as: P. kongosanensis f. aureostratus Muroi et Y. Tanaka (e)>S. fortunei>S.auricoma>S. argenteostriatus, and the result was consistent with the morphological character.

Abstract: The physiological and biochemical responding of four dwarf bamboos (Pleioblastus kongosanensis f. aureostriatus, Sasa fortunei, Sasa argenteostriatus and Sasa auricoma) to drought stress by withholding water were studied. The results indicated that the free proline contents, cell membrane permeability and the MDA contents of bamboo leaves increased with the prolongation of the stress time, the soluble sugar contents and the activity of SOD, POD and CAT showed increasing at the beginning and decreasing at the end. The physiological and biochemical indexes were measured to assess the drought-resistant ability of dwarf bamboos by Membership Function. The results showed that the four dwarf bamboos were ordered in sequence from strong to weak as: P. kongosanensis f. aureostratus Muroi et Y. Tanaka (e)>S. fortunei>S.auricoma>S. argenteostriatus, and the result was consistent with the morphological character.

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Reference (19)

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Study on the Drought Resistance of Four Dwarf Ornamental Bamboos

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