Effect of endomycorrhiza (Glomus intrarradices) and organic matter on the growth of cactus pear (Opuntia albicarpa) in two soil types

Gardezi, Abdul Khalil; Berber, Sergio Roberto Márquez; Flores-Magdaleno, Héctor; Flores-Gallardo, Hilario; Cruz, Mario Francisco Santoyo de la; Buenfil, José Abel López; Ortega-Escobar, Héctor Manuel; Martínez, Héctor García; Maurice, Miguel Jorge Escalona; Maldonado, Nora Meraz; Saavedra, Mario Ulises Larque; Aguilar, Gabriel Haro

doi:10.21640/ns.v14i29.3049

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…Several studies have reported the diversity of AMF associated with agaves and cacti based on morphological characters (Abrego et al, 2020 ; Carballar‐Hernández et al, 2013 ; Cui & Nobel, 1992 ; Gardezi et al, 2022 ; Hernandez‐Cuevas et al, 2023 ; Lahbouki, Ben‐Laouane, et al, 2022 ; Montoya‐Martínez et al, 2019 ; Ochoa‐Meza et al, 2009 ). However, this study is the first one to use metabarcoding to identify mycorrhizal fungi and their potential associations with endofungal bacteria in these important plant species native to the Mexican drylands.…”

Section: Discussionmentioning

confidence: 99%

Desert plants, arbuscular mycorrhizal fungi and associated bacteria: Exploring the diversity and role of symbiosis under drought

Chávez‐González,

Flores‐Núñez,

Merino‐Espinoza

et al. 2024

Environ Microbiol Rep

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Desert plants, such as Agave tequilana, A. salmiana and Myrtillocactus geometrizans, can survive harsh environmental conditions partly due to their symbiotic relationships with microorganisms, including arbuscular mycorrhizal fungi (AMF). Interestingly, some of these fungi also harbour endosymbiotic bacteria. Our research focused on investigating the diversity of these AMFs and their associated bacteria in these plants growing in arid soil. We found that agaves have a threefold higher AMF colonization than M. geometrizans. Metabarcoding techniques revealed that the composition of AMF communities was primarily influenced by the plant host, while the bacterial communities were more affected by the specific plant compartment or niche they inhabited. We identified both known and novel endofungal bacterial taxa, including Burkholderiales, and confirmed their presence within AMF spores using multiphoton microscopy. Our study also explored the effects of drought on the symbiosis between A. tequilana and AMF. We discovered that the severity of drought conditions could modulate the strength of this symbiosis and its outcomes for the plant holobiont. Severe drought conditions prevented the formation of this symbiosis, while moderate drought conditions promoted it, thereby conferring drought tolerance in A. tequilana. This research sheds light on the diversity of AMF and associated bacteria in Crassulacean Acid Metabolism (CAM) plants and underscores the crucial role of drought as a factor modulating the symbiosis between A. tequilana and AMF. Further research is needed to understand the role of endofungal bacteria in this response.

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Section: Discussionmentioning

confidence: 99%

Desert plants, arbuscular mycorrhizal fungi and associated bacteria: Exploring the diversity and role of symbiosis under drought

Chávez‐González,

Flores‐Núñez,

Merino‐Espinoza

et al. 2024

Environ Microbiol Rep

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“…These efforts include targeting tropical dry forests that host numerous species of cacti ( Mesa-Sierra et al , 2022 ). Additionally, nurse plant performance and nurse plant facilitation of cacti can be amplified through symbiotic associations between plants and mycorrhizae, because most perennial desert plant species appear to form symbiotic associations with mycorrhizal fungi, in particular arbuscular mycorrhizae ( Bloss, 1985 ; Carrillo-Garcia et al , 2002 ; Gardezi et al , 2022 ). The restoration of subtropical regions to promote woody nurse plant restoration, particularly following disturbance, could be enhanced if seeding of native plants is restored with inoculation with endemic soil microbes, including arbuscular mycorrhizae ( Korb et al , 2004 ; Shackelford et al , 2021 ).…”

Section: Conservation Solutions and Prioritiesmentioning

confidence: 99%

Global change impacts on cacti (Cactaceae): current threats, challenges and conservation solutions

et al. 2023

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Background The plant family Cactaceae provides some of the most striking examples of adaptive evolution, expressing undeniably the most spectacular New World radiation of succulent plants distributed across arid and semi-arid regions of the Americas. Cacti are widely regarded for their cultural, economic and ecological value, yet they are also recognized as one of the most threatened and endangered taxonomic groups on the planet. Scope This paper reviews current threats to species of cacti that have distributions in arid to semi-arid subtropical regions. Our review primarily focuses on four global change forces: 1) increases in atmospheric CO2 concentrations, 2) increases in mean annual temperatures and heat waves, 3) increases in the duration, frequency and intensity of droughts, 4) and increases in competition and wildfire frequency from non-native species invasion. We provide a broad range of potential priorities and solutions for stemming the extinction risk of cacti species and populations. Conclusions Mitigating ongoing and emerging threats to cacti will require not only strong policy initiatives and international cooperation, but also novel and creative approaches to conservation. These approaches include determining at risk species from climate extremes, enhancing habitat quality following disturbance, approaches and opportunities for ex-situ conservation and restoration, and the potential use of forensic tools for identifying plants that have been illegally removed from the wild and sold on open markets.

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“…ü 8. Biomasa seca de raíz (gr) Secado en estufa y peso en bascula digital (Gardezi et al, 2022b). ü 9.…”

Section: Medición De Variables Agronómicasunclassified

Efecto de bacterias promotoras del crecimiento vegetal (Medicago sativa L.) en dos tipos de suelo, cobre y composta

Cruz

Gardezi²,

Castañeda³

et al. 2023

Acta Universitaria

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Las rizobacterias promotoras del crecimiento vegetal interactúan con distintos tratamientos o metales presentes en suelos enriquecidos con composta, que mejoran las condiciones del suelo y benefician al crecimiento de la planta. El objetivo fue analizar el desarrollo de Medicago sativa con rizobacterias en condiciones de estrés. Se germinaron semillas de alfalfa de dos variedades (Victoria y Aragón), inoculadas con dos rizobacterias; se trasplantaron en invernadero y se adicionó sulfato de cobre, composta, en dos tipos de suelo (regado con aguas residuales y aguas de pozo). El suelo residual presentó significancia en el número de hojas y altura de la planta, la variedad Victoria en el número de hojas, la cepa M40 en el diámetro del tallo y la composta con 37 g en longitud de raíz. El uso de rizobacterias asociadas a la raíz en combinación con composta y metales pesados permite desarrollar tecnologías con beneficios para la Medicago sativa.

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Effect of endomycorrhiza (Glomus intrarradices) and organic matter on the growth of cactus pear (Opuntia albicarpa) in two soil types

Cited by 3 publications

References 16 publications

Desert plants, arbuscular mycorrhizal fungi and associated bacteria: Exploring the diversity and role of symbiosis under drought

Desert plants, arbuscular mycorrhizal fungi and associated bacteria: Exploring the diversity and role of symbiosis under drought

Global change impacts on cacti (Cactaceae): current threats, challenges and conservation solutions

Efecto de bacterias promotoras del crecimiento vegetal (Medicago sativa L.) en dos tipos de suelo, cobre y composta

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