Volume 24 Issue 3
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LIUKe-lin, SUN Xiang-yang, ZHAO Tie-rui, KANG Xiang-yang. Leaf nutrients(N, P, K, Ca and Mg)in selected Populus tomentosa triploid clones[J]. Journal of Zhejiang A&F University, 2007, 24(3): 297-301.
Citation: LIUKe-lin, SUN Xiang-yang, ZHAO Tie-rui, KANG Xiang-yang. Leaf nutrients(N, P, K, Ca and Mg)in selected Populus tomentosa triploid clones[J]. Journal of Zhejiang A&F University, 2007, 24(3): 297-301.

Leaf nutrients(N, P, K, Ca and Mg)in selected Populus tomentosa triploid clones

Funds:

国家林业局资助项目(2000-66);北京林业大学研究生基金资助项目

  • Received Date: 2006-08-15
  • Rev Recd Date: 2006-11-01
  • Publish Date: 2007-06-20
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Leaf nutrients(N, P, K, Ca and Mg)in selected Populus tomentosa triploid clones

Funds:

国家林业局资助项目(2000-66);北京林业大学研究生基金资助项目

Abstract: Concentrations of nutrients(N, P, K, Ca, and Mg) in leaves of triploid Populus tomentosa were studied with 12 treatments(11 triploid clones: S1,S2,S3, S4, S5, S6, S7, S8, S9, S11, S12) and a duple clone(S10)as a control.The results showed that compared to the control, concentrations ofN in clonesS11,S1, S6,S3,S7,S8 and S4 were significantly greater(P 0.05, n= 36), concentrations of K in all triploid clones were significantly greater(P 0.01), concentrations of Ca in all triploid clones were significantly less(P0.01), and concentrations of P and Mg were not significantly different. N concentrations excluding the control ranged from 24.56 gkg- 1(S11)to 21.23 gkg- 1(S9);P concentrations from1.81 gkg- 1(S5)to 1.24 gkg- 1(S2);Kconcentrations ranged from19.46 gkg- 1(S4)to 15.20 gkg- 1(S10);and Ca concentrations ranged from 11.35 gkg- 1(S10)to 5.93 gkg- 1(S8).Nutrient concentrations in leaves of triploid P. tomentosa were in the following order:N K Ca Mg P.[Ch, 5 fig. 1 tab. 15 ref.]

LIUKe-lin, SUN Xiang-yang, ZHAO Tie-rui, KANG Xiang-yang. Leaf nutrients(N, P, K, Ca and Mg)in selected Populus tomentosa triploid clones[J]. Journal of Zhejiang A&F University, 2007, 24(3): 297-301.
Citation: LIUKe-lin, SUN Xiang-yang, ZHAO Tie-rui, KANG Xiang-yang. Leaf nutrients(N, P, K, Ca and Mg)in selected Populus tomentosa triploid clones[J]. Journal of Zhejiang A&F University, 2007, 24(3): 297-301.

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