Journal of Food, Agriculture and Environment
Vol 11,
Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Influence of arbuscular mycorrhizae (AM) colonization on plant growth: Plantago lanceolata L. case study
Author(s):
Otilia Cotuna,
Veronica Sărăţeanu *, Carmen C. Durău *Recieved Date: 2013-07-19, Accepted Date: 2013-10-20
Abstract:The researches regarding the influence of the root colonization with arbuscular mycorrhizae (AM) on the plant growth, development, ecology (adaptability, competitivity, spreading, invasion success, etc.) are becoming more interesting for scientists and for the interdisciplinary research topics. The aim of this study is to assess the interrelation between the root colonisation rate with AM and different morphological parameters in Plantago lanceolata L. naturally colonized from a steppe secondary grassland vegetation sward. The staining method used trypan blue, allowing a very good viewing of the fungal structures (hyphae, arbuscules, vesicles) at the microscope, their presence indicating the functional symbiotic relationship between AM and sampled Plantago lanceolata L. plants. The AM roots’ colonization rate was assessed with the gridline intersection method 1. The analysed morphological parameters were: foliar surface, AM colonization rate, root weight, number of inflorescences, number of leaves and plant weight. The obtained results show an average AM colonization rate of P. lanceolata L. roots of 43.97%. Plantago lanceolata L. plant height, considered as dependent factor, is strongly influenced concomitantly by all the factors analysed considered as independent, respectively foliar surface, AM colonization rate, root weight, inflorescences number, leaves number and plant weight. The influence of the AM colonization rate is very complex on plant, the simple Pearson correlation not being able to express it, the multiple correlation being more suitable. The AM colonization rate had a complex influence on the development of the Plantago lanceolata L. considering the concomitant expression of several important biometrical parameters as plants weight, roots weight, plant height, number of inflorescences, leaves number and foliar surface per plant.
Keywords:Arbuscular mycorrhizae,
AM, root, colonization rate, plant growth, Plantago lanceolata L., grassland, vegetation, morphological parameters, correlationJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 2005-2008
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