三叶草根间菌丝桥在氮素传递中的作用初探 |
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引用本文: | 张俊伶,李晓林,杨志福.三叶草根间菌丝桥在氮素传递中的作用初探[J].核农学报,1997,11(4):0-0. |
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作者姓名: | 张俊伶 李晓林 杨志福 |
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作者单位: | 中国农业大学植物营养系 |
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摘 要: |
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关 键 词: | 三叶草 VA菌根 菌丝桥 ^15N 氮素传递 |
收稿时间: | 2009-12-31 |
修稿时间: | 2009-12-31 |
NITROGEN TRANSFER VIA VA MYCORRHIZA HYPHAE LINK BETWEEN ROOTS OF RED CLOVER |
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Abstract: | Five compartments with a air gap was designed to examine underground N transfer via VAM hyphae link between roots of red clover. 15 N was injected into the root compartment for donor plant 4 weeks after planting.Plants were harvested 6 weeks afterwards.The experiment had four treatments:two N levels(receiver root compartment);mycorrhiza and non mycorrhiza treatment(B compartment),and each with four replicates.It was demonstrated that there was no significant difference in 15 N abundance in receiver red clover regardless of the inoculation of mycorrhiza fungi and nitrogen fertilization.Both shoot and root dry weight of receiver plants were not affected too,however,plant P and N nutrient status got better under this condition. |
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Keywords: | Red clover VA mycorrhiza hyphae link 15N nit rogen t ransfer |
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