Interaction between Pumice and Arbuscular Mycorrhizal Fungi and Their Effects on Plant Growth under Deficit Irrigation Conditions in Parsley (Petroselinum sp.)
Abstract
Increasing irrigation water demand and declining soil fertility in arid and semi-arid regions necessitate the development of sustainable agricultural strategies. Among these strategies, the use of arbuscular mycorrhizal fungi (AMF) and improvements in soil physical properties play a crucial role. This study was conducted in a controlled climate chamber and is one of the first to investigate the effects of pumice as a soil physical improver, alone and in combination with AMF, on plant growth, chlorophyll content, and water use efficiency in parsley (Petroselinum sp.). Parsley plants were grown in soils amended with different pumice particle sizes (without pumice (P0), 0.1 mm (P0.1), 0.5 mm (P0.5), 1 mm (P1), and 2 mm (P2)) and inoculated with AMF (Funneliformis mosseae), under three irrigation levels: full irrigation (100%, I100), 75% deficit irrigation (I75), and 50% deficit irrigation (I50). The highest plant growth was observed under I100 irrigation with the combination of AMF and P2 pumice (plant height: 20.63 cm; fresh weight: 9.72 g; dry weight: 1.97 g), with chlorophyll content increasing by 13%. Although deficit irrigation reduced plant growth and chlorophyll content, the use of large pumice particles combined with AMF mitigated these negative effects. Our findings indicate that integrating large pumice particles with AMF significantly enhances plant growth, chlorophyll content, and soil water retention under limited irrigation conditions. This approach offers a promising strategy for sustainable agriculture in water-scarce regions and provides insights for future research on soil amendment–mycorrhizal interactions under abiotic stress.
Keywords
Ethical Statement
References
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Details
Primary Language
English
Subjects
Plant Developmental and Reproductive Biology , Botany (Other) , Microbiology (Other)
Journal Section
Research Article
Authors
Ali Kılıçer
0000-0002-1745-8540
Türkiye
Gökhan Boyno
0000-0003-3195-0749
Türkiye
Caner Yerli
0000-0002-8601-8791
Türkiye
Talip Çakmakcı
0000-0001-5815-1256
Türkiye
Semra Demir
*
0000-0002-0177-7677
Türkiye
Early Pub Date
February 27, 2026
Publication Date
February 27, 2026
Submission Date
September 15, 2025
Acceptance Date
November 13, 2025
Published in Issue
Year 2026 Number: Advanced Online Publication
