GROWTH STIMULATION OF SUBTERRANEAN CLOVER WITH VESICULAR ARBUSCULAR MYCORRHIZAS
GROWTH STIMULATION OF SUBTERRANEAN CLOVER WITH VESICULAR ARBUSCULAR MYCORRHIZAS
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DOI：
10.1071/ar9770639
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发表时间：
1977-01-01
影响因子：
--
通讯作者：
ROBSON, AD
中科院分区：
文献类型：
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作者：
ABBOTT, LK;ROBSON, AD
在高固磷土壤中，对接种了2种囊状丛枝内生菌的地下三叶草与未接种过5个过磷酸钙水平的地下三叶草进行了生长比较。植物在未经处理的土壤和蒸过的土壤中生长，以消除菌根真菌的自然种群。在两种土壤中，在中等过磷酸钙水平下，接种了西澳大利亚分离的真菌的植株的生长和磷含量明显增加。这种真菌，类似于苔藓球囊菌（Nicol和Gerd）。盖德。和Trappe对地下三叶草生长和磷含量的促进作用优于G. fasciculatus (Thaxter) Gerd。和Trappe。接种了类似G. mosseae的真菌的植株的生长响应越大，其菌根数量也越多。结瘤反应与生长反应密切相关。在一定磷浓度下，非菌根植物比菌根植物产生更多的干物质。
The growth of subterranean clover inoculated with 2 types of vesicular arbuscular endophytes was compared with that of uninoculated plants at 5 levels of applied superphosphate in a high phosphate-fixing soil. Plants were grown in both untreated soil and soil steamed to eliminate the natural population of mycorrhizal fungi. Marked increases in the growth and P content of plants inoculated with a fungus isolated in Western Australia were apparent at intermediate levels of superphosphate in both soils. This fungus, which resembles Glomus mosseae (Nicol and Gerd.) Gerd. and Trappe, was more efficient at increasing growth and P content of subterranean clover than G. fasciculatus (Thaxter) Gerd. and Trappe. The greater growth response of plants inoculated with the fungus resembling G. mosseae was associated with a greater amount of mycorrhizal roots. Responses in nodulation closely paralleled responses in growth. Non-mycorrhizal plants produced more dry matter at a given P concentration in tops than did mycorrhizal plants.