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当前位置: 首页 > 文章 > 接种VA菌根真菌对红三叶草利用土壤有机磷的影响 草业学报 2000,9 (2) 38-44
Position: Home > Articles > Effect of VA mycorrhiza inoculation on clover in utilising soil organic phosphorus Acta Prataculturae Sinica 2000,9 (2) 38-44

接种VA菌根真菌对红三叶草利用土壤有机磷的影响

作  者：
宋勇春;李晓林;冯固
单  位：
中国农业大学植物营养系
关键词：
VA菌根真菌;红三叶草;不同磷源;有机磷
摘  要：
以红三叶草为材料 ,利用三室隔网培养方法 ,研究了施用不同有机磷源核糖核酸 (RNA)、卵磷脂 (L ecithin)、植酸钠 (Na- Phytate)条件下接种菌根真菌 (G.mosseae)对土壤有机磷及外加有机磷源的利用效率。植物生长 8周收获后测定植株干物重、含磷量、根系菌根侵染率及根系长度。结果表明 ,接种菌根真菌能明显增加植株干物重和含磷量。与各有机磷处理相比 ,无机磷处理得到了最大干物重 ,但不同磷源之间没有显著差异。而在植株吸磷量上 ,植酸钠处理高于其他磷源处理 ,说明由于丛枝菌根的存在植株能很好地吸收利用有机磷以满足植物生长的需要
译  名：
Effect of VA mycorrhiza inoculation on clover in utilising soil organic phosphorus
作  者：
SONG Yong chun, LI Xiao lin, FENG Gu [WT5BZ](Department of Plant Nutrition, China Agricultural University, Beijing 100094, China)
关键词：
VA mycorrhiza fungi; red clover; different phosphorus sources; organic phosphorus
摘  要：
The effect of VA mycorrhizal hyphae on clover in absorbing phosphorus from different organic sources was studied with inoculation of Glomus mosseae on Trifolium pratense in a pot experiment. Each of the pots used consisted of three compartments separated with nylon nets. Inoculated red clover was grown in the central compartment and all the compartments were applied with RNA, lecithin and Na phytate as organic P sources. Uninoculated red clover was planted under the same condition as control. The plants were harvested after 8 weeks of growth and their dry matter, P content, root length and infection rate by mycorrhiza were measured. It was shown that mycorrhizal infection had significant effect in promoting P uptake and growth of red clover, without noticeable difference between the given P sources.

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