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Effects of Phosphate Solubilizing Bacteria on the Growth, Photosynthesis, and Nutrient Uptake of Camellia oleifera Abel.

1
Key Laboratory of State Forestry Administration on Forest Ecosystem Protection and Restoration of Poyang Lake Watershed, Jiangxi Agricultural University, Nanchang 330045, China
2
2011 Collaborative Innovation Center of Jiangxi Typical Trees Cultivation and Utilization, Jiangxi Agricultural University, Nanchang 330045, China
3
South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
4
Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, China
5
Hunan Academy of Forestry, Changsha 410004, China
*
Author to whom correspondence should be addressed.
Forests 2019, 10(4), 348; https://doi.org/10.3390/f10040348
Received: 14 March 2019 / Revised: 12 April 2019 / Accepted: 15 April 2019 / Published: 20 April 2019
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Abstract

Phosphorus (P) is a necessary nutrient for plant growth and plays an important role in plant metabolisms; however, the majority of P in soil is in insoluble forms. Phosphate solubilizing bacteria (PSB) can convert the insoluble phosphates into plant-available forms and may have the potential for use in sustainable agricultural practices. This study examined the effects of two native PSB, namely Bacillus aryabhattai (JX285) and Pseudomonas auricularis (HN038), and a mixture of both strains (1:1) on the growth of Camellia oleifera Abel. seedlings. The results showed a significant promotion of the growth of C. oleifera plants by three inoculation treatments. All the PSB inoculation treatments could improve the leaf nitrogen (N) and P content and had positive effects on the available N, P, and potassium (K) content of rhizosphere soil. A co-inoculation of the two native PSB strains caused a synergistic effect and achieved the best benefit. In conclusion, B. aryabhattai and P. auricularis could be used as biological agents instead of chemical fertilizers for agricultural production to reduce environmental pollution and increase the yield of tea oil. View Full-Text
Keywords: phosphate solubilizing bacteria; nutrition; oil tea phosphate solubilizing bacteria; nutrition; oil tea
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Wu, F.; Li, J.; Chen, Y.; Zhang, L.; Zhang, Y.; Wang, S.; Shi, X.; Li, L.; Liang, J. Effects of Phosphate Solubilizing Bacteria on the Growth, Photosynthesis, and Nutrient Uptake of Camellia oleifera Abel.. Forests 2019, 10, 348.

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