Volume 33 Issue 1
Jan.  2016
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MAO Yuming, QIAO Weiyang, WU Kezhuang, YU Mukui, CHENG Xiangrong. Growth, photosynthesis, and nutrition of Gynura divaricata with forest gap treatments[J]. Journal of Zhejiang A&F University, 2016, 33(1): 88-93. doi: 10.11833/j.issn.2095-0756.2016.01.012
Citation: MAO Yuming, QIAO Weiyang, WU Kezhuang, YU Mukui, CHENG Xiangrong. Growth, photosynthesis, and nutrition of Gynura divaricata with forest gap treatments[J]. Journal of Zhejiang A&F University, 2016, 33(1): 88-93. doi: 10.11833/j.issn.2095-0756.2016.01.012

Growth, photosynthesis, and nutrition of Gynura divaricata with forest gap treatments

doi: 10.11833/j.issn.2095-0756.2016.01.012
Funds:

国家自然科学基金资助项目(31300519)

  • Received Date: 2015-03-04
  • Rev Recd Date: 2015-04-16
  • Publish Date: 2016-02-20
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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Growth, photosynthesis, and nutrition of Gynura divaricata with forest gap treatments

doi: 10.11833/j.issn.2095-0756.2016.01.012
Funds:

国家自然科学基金资助项目(31300519)

Abstract: It is important to construct a mixed forest-vegetable system to promote economic development in mountainous areas. To determine the size of forest gap impact on growth, nutrition characteristics of Gynura divaricate in a Chinese fir plantation of Kaihua, Zhejiang Province. Growth, photosynthesis, and nutrition of G. divaricata were studied in three habitats types having: a large gap (area from 12 m2 to 16 m2, average light intensity of 763 molm-2s-1), a small gap (area < 9 m2, average light intensity of 245 molm-2s-1), and no gap (average light intensity of 89 molm-2s-1); three or four gaps or no gap site for each treatment were randomly selected in this study. Results showed that the photosynthetic rate, plant height, ground diameter, number of branches, potassium (K), phosphorus (P), Vitamin C (Vc), and content of some water-soluble amino acids (e.g. valine, methionine, and lysine) for the large gap treatment were significantly greater than no gaps (P < 0.05). However, growth, photosynthesis, and nutrition with small gap treatments were not significantly different than those with no gap treatments (P > 0.05). Therefore, due to the forest gap influence on growth and nutrition of G. divaricata, it was not suitable to plant under Chinese fir plantations with a high canopy coverage (> 0.8) unless thinning was conducted to improve understory light conditions thereby allowing development of the mixed forest-vegetable system.[Ch, 2 fig. 3 tab. 23 ref.]

MAO Yuming, QIAO Weiyang, WU Kezhuang, YU Mukui, CHENG Xiangrong. Growth, photosynthesis, and nutrition of Gynura divaricata with forest gap treatments[J]. Journal of Zhejiang A&F University, 2016, 33(1): 88-93. doi: 10.11833/j.issn.2095-0756.2016.01.012
Citation: MAO Yuming, QIAO Weiyang, WU Kezhuang, YU Mukui, CHENG Xiangrong. Growth, photosynthesis, and nutrition of Gynura divaricata with forest gap treatments[J]. Journal of Zhejiang A&F University, 2016, 33(1): 88-93. doi: 10.11833/j.issn.2095-0756.2016.01.012

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