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首页> 外文会议>International citrus congress >Effects of Arbuscular Mycorrhizal Fungi on the Growth,Nutrient Uptake and Chlorophyll Concentration of Citrus aurantium Seedlings
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Effects of Arbuscular Mycorrhizal Fungi on the Growth,Nutrient Uptake and Chlorophyll Concentration of Citrus aurantium Seedlings

机译：丛枝菌根真菌对柑橘耳氏菌生长，营养吸收和叶绿素浓度的影响

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Arbuscular mycorrhizal (AM) fungi have been shown to increase plant growth. The effects of two AM fungi, Glomus intraradices and Glomus mosseae, on mineral nutrition, chlorophyll concentration and growth of Citrus aurantium seedlings were analysed. Plants were harvested and processed four months after inoculation. Growth was examined by measuring plant height and diameter, leaf number and shoot and root fresh and dry weights. Sour orange plants inoculated with the AM fungi had significantly higher fresh and dry weights-of shoots, leaves and roots-compared with the non-inoculated plants. Also, the number of leaves and the length and diameter of shoots were significantly greater in the inoculated plants, suggesting that AM fungi accelerated plant growth. In addition, mycorrhiza formation increased the chlorophyll concentration. Mycorrhizal inoculation also significantly decreased tissue concentrations of Ca, Na, K, N and Mg but improved plant phosphorus acquisition relative to non-inoculated plants. However, Fe concentrations were not significantly affected by the AM fungi. Significant differences were not observed between G. intraradices and G. mosseae except for leaf fresh weight and number, P concentration and root colonisation percentage. The results indicate that inoculation with AM fungi could be a useful approach to increase sour orange growth. These fungi could be used as biofertilisers in order to cultivate citrus seedlings in organic agriculture.
机译：已显示丛枝菌根（AM）真菌来增加植物生长。分析了两次AM真菌，肺炎术，矿物质营养，叶绿素浓度和柑橘菌幼苗生长的影响。在接种后4个月收获并加工植物。通过测量植物高度和直径，叶子数和芽和根新鲜和干重来检查生长。与非接种植物相比，接种随着AM真菌的酸橙植物具有显着较高的新鲜和干重的芽，叶和根。而且，接种植物中，芽的叶片的数量和长度和直径显着大，表明AM真菌加速植物生长。此外，菌根形成增加了叶绿素浓度。菌根接种还显着降低了Ca，Na，K，N和Mg的组织浓度，而是相对于非接种植物的改善植物磷凋亡。然而，Fe浓度受到AM真菌的显着影响。除了叶片新鲜重量和数量，P浓度和根殖民化之外，G.内部和G. mosseae之间未观察到显着差异。结果表明，随着AM真菌的接种可能是增加酸橙生长的有用方法。这些真菌可以用作生物插入者，以便在有机农业中培养柑橘幼苗。

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