Utilization of Sparingly Soluble Phosphate by Red Clover in Association with Glomus mosseae and Bacillus megaterium

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Utilization of Sparingly Soluble Phosphate by Red Clover in Association with Glomus mosseae and Bacillus megaterium

机译：红三叶草与小球藻和巨大芽孢杆菌结合使用难溶的磷酸盐

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摘要

A pot experiment was conducted to investigate the mobilization of sparingly soluble inorganic andorganic sources of phosphorus (P) by red clover (Trghlium pmtense L.) whose roots were colonized by thearbuscular mycorrhizal (AM) fungus Glomus mosseae and in association with the phosphate-solubilizing(PS) bacterium Bacillus megaterium ACCC10010. Phosphate-solubilizing bacteria and rock phosphate hada synergistic effect on the colonization of plant roots by the AM fungus. There was a positive interactionbetween the PS bacterium and the AM fungus in mobilization of rock phosphate, leading to improved plantP nutrition. In dual inoculation with the AM fungus and the PS bacterium, the main contribution to plantP nutrition was made by the AM fungus. Application of P to the low P soil increased phosphatase activityin the rhizosphere. Alkaline phosphatase activity was significantly promoted by inoculation with either thePS bacterium or the AM fungus.

机译：A pot experiment was conducted to investigate the mobilization of sparingly soluble inorganic and organic sources of phosphorus (P) by red clover (Trifolium pratense L.) whose roots were colonized by the arbuscular mycorrhizal (AM) fungus Glomus mosseae and in association with the phosphate-solubilizing (PS) bacterium Bacillus megaterium ACCC10010. Phosphate-solubilizing bacteria and rock phosphate had a synergistic effect on the colonization of plant roots by the AM fungus. There was a positive interaction between the PS bacterium and the AM fungus in mobilization of rock phosphate, leading to improved plant P nutrition. In dual inoculation with the AM fungus and the PS bacterium, the main contribution to plant P nutrition was made by the AM fungus. Application of P to the low P soil increased phosphatase activity in the rhizosphere. Alkaline phosphatase activity was significantly promoted by inoculation with either the PS bacterium or the AM fungus.

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《土壤圈（英文版）》 |2002年第2期|131-138|共8页
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作者单位

Department of Pomology College of Horticulture South China Agricultural University Guangzhou 510642 China;

Department of Plant Nutrition College of Agricultural Resources and Environmental Sciences China Agricultural University Beijing 100094 China;

Department of Agricultural and Environmental Science The Queen's University of Belfast Newforge Lane Belfast BT9 5PX (UK);

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收录信息中国科学引文数据库(CSCD);
原文格式 PDF
正文语种 chi
中图分类植物学;
关键词
arbuscular mycorrhiza; organic phosphorus; phosphatase; phosphate-solubilizing bacteria; rock phosphate;

机译：丛枝菌根;有机磷磷酸酶磷酸盐增溶细菌;磷酸盐岩;

Utilization of Sparingly Soluble Phosphate by Red Clover in Association with Glomus mosseae and Bacillus megaterium

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