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Organic farming practices in a desert habitat increased the abundance, richness, and diversity of arbuscular mycorrhizal fungi

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Kutty Mullath, Sangeeta; Błaszkowski, Janusz; Govindan, Byju N.; Al Dhaheri, Laila; Symanczik, Sarah and Al-Yahya'ei, Mohamed N. (2019) Organic farming practices in a desert habitat increased the abundance, richness, and diversity of arbuscular mycorrhizal fungi. Emirates Journal of Food and Agriculture, 31 (12), pp. 969-979.

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Online at: https://www.ejfa.me/index.php/journal/article/view/2057

Summary

Agricultural practices are known to affect the diversity and efficiency of arbuscular mycorrhizal fungi (AMF) in improving overall plant performance. In the present study we aimed to compare the abundance, richness, and diversity of AMF communities under organic farming of a desert ecosystem in the Arabian Peninsula with those of an adjacent conventional farming system and native vegetation. In total, 12 sites, including six plant species, were sampled from both farming systems and the native site. Spore morphotyping revealed 24 AMF species, with 21 species in the organic farming system, compared to 14 species in the conventional site and none from rhizosphere soil of a native plant (Tetraena qatarensis). The AMF spore abundance, species richness, and Shannon–Weaver diversity index were high under organic farming. In both systems, the AMF community composition and abundance associated with different crops followed similar trends, with pomegranates having the highest values followed by limes, grapes, mangoes, and lemons. Our results show that organic farming in such a desert ecosystem promotes AMF diversity. These data imply that AMF might play an important role in the sustainable production of food in resource-limited desert habitats.


EPrint Type:Journal paper
Keywords:AMF, arbuscular mycorrhizal fungi, organic farming, system comparison, AMF diversity
Subjects:"Organics" in general
Soil > Soil quality
Research affiliation:Other countries
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Soil Sciences
Poland
USA > Other organizations
DOI:doi: 10.9755/ejfa.2019.v31.i12.2057
Deposited By: Symanczik, Dr. Sarah
ID Code:37257
Deposited On:05 Mar 2020 13:33
Last Modified:05 Mar 2020 13:34
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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