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首页> 外文期刊>Plant and Soil >RESPONSE OF CRIOLLO MAIZE TO SINGLE AND MIXED SPECIES INOCULA OF ARBUSCULAR MYCORRHIZAL FUNGI
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RESPONSE OF CRIOLLO MAIZE TO SINGLE AND MIXED SPECIES INOCULA OF ARBUSCULAR MYCORRHIZAL FUNGI

机译：克里奥洛玉米淀粉对丛枝菌根真菌单种和混合菌种的反应

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摘要

We tested the effect of two single species inocula and a mixed inoculum of the native population of arbuscular mycorrhizal (AM) fungi on the growth response of ''criollo'' maize (Zea mays L.). To determine the inocula that produced the highest response on maize growth, we conducted a greenhouse experiment at 3 levels of P fertilization (0, 40 and 80 kg ha(-1)). Inoculation with Glomus mosseae (Nicolson and Gerdemann) Gerd. and Trappe (LMSS) produced the greatest shoot growth rates at the two lowest P fertilization levels. Inoculation with Acaulospora bireticulata Rothwell and Trappe (ABRT) and the native population (NP) resulted in similar shoot growth rates at all P levels. These rates were higher than the non-mycorrhizal control rate at the lowest P level but lower than the control at the highest P level. Also, ABRT and NP had significantly lower shoot growth rates than the inoculation treatment with G. mosseae at all P levels. The non-mycorrhizal control had the lowest growth rate at the lowest P level but its growth rate increased linearly with increased P fertilization. Inoculation with G. mosseae and A. biretuculata produced similar colonization rates which were lower than the native population colonization rate. There was no correlation between colonization and shoot growth rates.
机译：我们测试了两种单种接种物和丛枝菌根（AM）真菌的原生种群的混合接种物对“ criollo”玉米（Zea mays L.）生长反应的影响。为了确定对玉米生长产生最高响应的接种物，我们在3种磷肥水平（0、40和80 kg ha（-1））下进行了温室试验。接种Glomus mosseae（Nicolson和Gerdemann）Gerd。和Trappe（LMSS）在两个最低的P施肥水平下产生了最高的芽生长速率。在所有P水平上接种双孢小球藻罗斯维尔和特拉普（ABRT）以及本地种群（NP）都导致相似的芽生长速率。这些比率高于最低P水平的非菌根控制率，但低于最高P水平的对照。而且，在所有P水平下，ABRT和NP的芽生长速度均显着低于使用G. mosseae的接种处理。非菌根对照在最低磷水平下生长速度最低，但随着磷肥水平的增加，其生长速度呈线性增长。 G. mosseae和A. biretuculata的接种产生了相似的定殖率，低于本地人口定殖率。移殖率和枝条生长率之间没有相关性。

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