Improvement of Garlic Growth, Physiology, Biochemical Traits, and Soil Fertility by Rhizophagus Irregularis and Compost
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ORIGINAL ARTICLE / ORIGINALBEITRAG
Improvement of Garlic Growth, Physiology, Biochemical Traits, and Soil Fertility by Rhizophagus Irregularis and Compost Abderrahim Boutasknit1 · Youssef Ait-Rahou1,2 · Mohamed Anli1 · Mohamed Ait-El-Mokhtar1 · Raja Ben-Laouane1 · Abdelilah Meddich1 Received: 7 July 2020 / Accepted: 12 November 2020 © Springer-Verlag GmbH Deutschland, ein Teil von Springer Nature 2020
Abstract The present work aimed to study the effect of compost and arbuscular mycorrhizal fungi (AMF) on soil physicochemical parameters on garlic (Allium sativum L.) growth, physiology, biochemical traits, and yield under environmental conditions. The application of AMF or compost increased both carbonic and mineral contents in soil. An improvement of 92% and 35% was observed in case of total organic carbon in soil of plant amended with compost and inoculated with AMF, respectively, compared to the control. Indeed, available phosphorus and total nitrogen were increased by 139% and 52% in case of compost + AMF compared to the control. Mycorrhizal frequency was significantly higher in AMF than in compost + AMF plants, while compost application did not significantly affect the mycorrhizal intensity in garlic roots. The application of R. irregularis, compost, and their combination enhanced the growth parameters and biomass production with the greatest improvement in AMF and compost + AMF treatments. Compost + AMF was considered the best treatment, with a yield improvement by 81% in comparison to the control. The same biostimulants applied alone or in combination significantly enhanced stomatal conductance, total soluble sugars, proteins, and the content of chlorophyll and total carotenoid in garlic plants compared to the control. Finally, we revealed the positive impact of the tested biofertilizers and the interest in adoption of innovative practices improving growth, physiology, biochemical traits, and soil fertility as well as biological agriculture of garlic yield.
Keywords Arbuscular mycorrhizal fungi · Compost · Soil fertility · Yield · Allium sativum
Abdelilah Meddich
[email protected] 1
Laboratoire d’Agro-Alimentaire, Biotechnologies et Valorisation des Bioressources Végétales, Faculté des Sciences Semlalia, Université Cadi Ayyad, 40 000 Marrakech, Morocco
2
Laboratoire Botanique, Biotechnologie et Protection des Plantes, Faculté des Sciences, Université Ibn Tofail, Kenitra, Morocco
K
A. Boutasknit et al.
Verbesserung von Knoblauchwachstum, Physiologie, biochemischen Merkmalen und Bodenfruchtbarkeit durch Rhizophagus irregularis und Kompost Zusammenfassung Ziel der vorliegenden Arbeit war es, die Wirkung von Kompost und arbuskulären Mykorrhizapilzen (AMF) einerseits auf physikalisch-chemische Parameter des Bodens und andererseits auf das Wachstum, die Physiologie, die biochemischen Eigenschaften und den Ertrag von Knoblauch (Allium sativum L.) unter Umweltbedingungen zu untersuchen. Die Anwendung von AMF oder Kompost erhöhte sowohl den Kohlenstoff- als auch den Mineralstoffgehalt im Boden. Im Vergleic
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