Volume 27 Issue 3
Jun.  2010
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SONG Yan-dong, JIN Ai-wu, JIN Xiao-chun, HU Yuan-bin, DU Liang-liang, JIANG Zhi-you. Physiology of leaf photosynthesis with fertilization in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(3): 334-339. doi: 10.11833/j.issn.2095-0756.2010.03.003
Citation: SONG Yan-dong, JIN Ai-wu, JIN Xiao-chun, HU Yuan-bin, DU Liang-liang, JIANG Zhi-you. Physiology of leaf photosynthesis with fertilization in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(3): 334-339. doi: 10.11833/j.issn.2095-0756.2010.03.003

Physiology of leaf photosynthesis with fertilization in Phyllostachys pubescens

doi: 10.11833/j.issn.2095-0756.2010.03.003
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  • Corresponding author: JIN Ai-wu
  • Publish Date: 2010-06-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Physiology of leaf photosynthesis with fertilization in Phyllostachys pubescens

doi: 10.11833/j.issn.2095-0756.2010.03.003
    Corresponding author: JIN Ai-wu

Abstract: The objective was to grasp the mechanism of increasing moso bamboo (Phyllostachys pubescens) production by fertilization. Three fertilization models were set:(1) fertilizer in the begin of May for five years;(2) fertilizer in the late of August for five years;(3) no fertilization for ten years. Photosynthetic rate,photosynthetic pigments,soluble protein,and catalase activity of leaves were measured from May to December in 2008,and a correlation analysis between photosynthetic rate and photosynthetic pigments,soluble protein,and catalase activity was conducted. Results showed that (1) From leaf spread out,to sophisticated,to dormant,year change of photosynthetic rate showed a bimodal curve,content of photosynthetic pigments reached maximum at the begin of October,and catalase activity and soluble protein reached maximum from the late of August to the begin of September. (2) Also,the photosynthetic rate was positively correlated to the content of chlorophyll a(r = 0.760),chlorophyll b(r = 0.782),carotenoids(r = 0.767),soluble protein(r = 0.544),and catalase activity(r = 0.529),but negatively correlated to the ratio of chlorophyll a to chlorophyll b(r = -0.654). (3) Fertilization improved content of chlorophyll a,chlorophyll b,carotenoids,soluble protein content,photosynthetic rate,and catalase activity. Fertilizer in May was mostly accelerated,then fertilizer in August,the non?鄄fertilization was the lowest,though fertilizer reduced the ratio of chlorophyll a and chlorophyll b. (4) Fertilization in August extended leaf photosynthesis and delayed senescence.[Ch,8 fig. 1 tab. 14 ref.]

SONG Yan-dong, JIN Ai-wu, JIN Xiao-chun, HU Yuan-bin, DU Liang-liang, JIANG Zhi-you. Physiology of leaf photosynthesis with fertilization in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(3): 334-339. doi: 10.11833/j.issn.2095-0756.2010.03.003
Citation: SONG Yan-dong, JIN Ai-wu, JIN Xiao-chun, HU Yuan-bin, DU Liang-liang, JIANG Zhi-you. Physiology of leaf photosynthesis with fertilization in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(3): 334-339. doi: 10.11833/j.issn.2095-0756.2010.03.003

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