Effects of the N-P-Na recipe on growth of Zygophyllum xanthoxylum under different osmotic stress

Xiang-rui ZHOU; Li-jun YUE; Suo-min WANG

doi:10.11829/j.issn.1001-0629.2013-0342

Pratacultural Science > 2014 > 8(6): 1087-1096. > DOI: 10.11829/j.issn.1001-0629.2013-0342

Xiang-rui ZHOU, Li-jun YUE, Suo-min WANG. Effects of the N-P-Na recipe on growth of Zygophyllum xanthoxylum under different osmotic stress[J]. Pratacultural Science, 2014, 8(6): 1087-1096. DOI: 10.11829/j.issn.1001-0629.2013-0342

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Effects of the N-P-Na recipe on growth of Zygophyllum xanthoxylum under different osmotic stress

1.
1. State Key Laboratory of Grassland Ago-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
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2. Key Laboratory for Grassland Ecosystem of Ministry of Education, Pratacultural College of Gansu Agricultural University, Lanzhou 730070, China
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4.
State Key Laboratory of Grassland Ago-ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China

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Received Date: August 01, 2013
Published Date: June 29, 2014

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Abstract

In the present study, we developed a N-P-Na recipe concluding appropriate amount of nitrogen, phosphorous and sodium by sand culture to promote the growth and enhance the drought tolerance of a succulent xerophytes Zygophyllum xanthoxylum. Treatment with 15 mmol·L-1 NaNO3 and 0.5 mmol·L-1 NaH2PO4 was the most optimal concentration and selected as the material of N-P-Na recipe. A kind of N-P-Na recipe (15 mmol·L-1 NaNO3+0.5 mmol·L-1 NaH2PO4 +34.5 mmol·L-1 NaCl) was developed according to the most optimal concentration of N, P and Na. Compared with control plants, leaf dry weight, water content, leaf area, relative organic weight and plant height with this recipe increased by 12%, 121%, 57%, 10% and 14%, respectively. However, MDA content and relative penetrability of membrane in leaves decreased by 64% and 17%. Therefore the N-P-Na recipe can improve the growth and alleviate water stress of Z.xanthoxylum under osmotic stress.
- Zygophyllum xanthoxylum,
- NaNO3,
- NaH2PO4,
- N-P-Na recipe,
- osmotic stress

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[1]

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