Effects of different irrigation regimes and two arbuscular mycorrhizal fungi on some physiological characteristics and yield of potato under field conditions

Khosravifar, Saman; Farahvash, Farhad; Aliasgharzad, Nasser; Yarnia, Mehrdad; Khoei, F Rahimzadeh

doi:10.1080/01904167.2020.1758133

Cited by 12 publications

(8 citation statements)

References 58 publications

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“…growth, the accumulation of osmolytes can also relieve this stress (Bahadur et al, 2019). The accumulation of proline was noted in potatoes after inoculation with R. intraradices and C. etunicatum (Khosravifar et al, 2020). Reduced leaf water potential and increased tuber yield were also noted in this study.…”

Section: Tolerance To Droughtsupporting

confidence: 65%

Mycorrhizal Interventions for Sustainable Potato Production in Africa

Chifetete¹,

Dames²

2020

Front. Sustain. Food Syst.

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The potato (Solanum tuberosum L.) is an important tuber crop with high dietary value that could potentially help to alleviate malnutrition and hunger in Africa. However, production is expensive, with high fertilizer and pesticide demands that lead to environmental pollution, and tillage practices that negatively affect soil structure. Microorganisms of different types have increasingly been found to be useful as biofertilizers, and arbuscular mycorrhizal (AM) fungi are an important crop symbiont. AM fungi have been shown to increase tolerance of crop plants to drought, salinity and disease by facilitating water and nutrient acquisition and by improving overall soil structure. However, the establishment and maintenance of the symbioses are greatly affected by agricultural practices. Here, we review the benefits that AM fungi confer in potato production, discuss the role and importance of mycorrhiza helper bacteria, and focus on how AM fungal diversity and abundance can be affected by conventional agricultural practices, such as those used in potato production. We suggest approaches for maintaining AM fungal abundance in potato production by highlighting the potential of conservation tillage practices augmented with cover crops and crop rotations. An approach that balances weed control, nutrient provision, and AM fungal helper bacterial populations, whilst promoting functional AM fungal populations for varying potato genotypes, will stimulate efficient mycorrhizal interventions.

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Section: Tolerance To Droughtsupporting

confidence: 65%

Mycorrhizal Interventions for Sustainable Potato Production in Africa

Chifetete¹,

Dames²

2020

Front. Sustain. Food Syst.

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“…Positive effects were also reported in symbiosis among potato plants (Table 4) and mycorrhiza (Claroidoglomus etunicatum and Rhizophagus intraradices) under drought stress (Khosravifar et al 2020). In particular, some morphological and physiological parameters such as Leaf Area Index (LAI), tuber and shoot dry weight and tuber phosphorus and potassium content were increased in comparison with non-inoculated plants (Khosravifar et al 2020).…”

Section: Microbial Plant Biostimulantmentioning

confidence: 87%

“…Potato plants (Table 4) inoculated with two of these bacterial strains, belonging to Bacillus, showed significant tolerance to abiotic stress such as salinity, heavy-metal and drought stresses improving plant height, leaf number, tuber size and yield (Gururani et al 2013). Positive effects were also reported in symbiosis among potato plants (Table 4) and mycorrhiza (Claroidoglomus etunicatum and Rhizophagus intraradices) under drought stress (Khosravifar et al 2020). In particular, some morphological and physiological parameters such as Leaf Area Index (LAI), tuber and shoot dry weight and tuber phosphorus and potassium content were increased in comparison with non-inoculated plants (Khosravifar et al 2020).…”

Section: Microbial Plant Biostimulantmentioning

confidence: 99%

Plant Biostimulants in Sustainable Potato Production: an Overview

Caradonia

Ronga

Tava³

et al. 2021

Potato Res.

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In modern agriculture, the reduction of environmental impact, ensuring both high and stable yield and high quality, is a primary goal. To avoid an excessive use of external inputs, without compromising crop performance, the increase of soil nutrient availability and nutrient use efficiency is fundamental in a sustainable potato production. In this framework, the use of plant biostimulants, such as humic substances, seaweed and microalgal extracts, hydrolysed proteins and amino acids and microorganisms, could give a great help to farmers. Due to the agronomic importance and the keen interest in these substances, the aim of this review was to survey and summarise the outputs derived from scientific published studies on the combination of potato and plant biostimulants. In the literature, several in vitro, growth chamber, glasshouse and field experiments were reported. Field experiments were conducted in different environmental conditions, using different genotypes, and all the applied plant biostimulants showed beneficial effects on both productive and qualitative potato parameters. Seaweed extract and humic substances could also reduce the normal dose of fertiliser without reducing yield. Among quality features, tuber size, contents of protein, vitamin C, starch and phenols are the principal parameters influenced by plant biostimulants. Weaknesses related to the use of plant biostimulants were shown and were related to different effectiveness of products due to their origin, production process and microbial species. In addition, product/strain-genotype interactions have been shown. Environmental factor, agricultural practice and timing of treatment can influence the effectiveness of both microbial and non-microbial plant biostimulants.

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“…Under drought, proline functions as an osmolyte but also as osmoprotectant, for example, against reactive oxygen species in order to prevent protein damage (Szabados & Savouré, 2010). As osmoregulator, proline acts at the cellular level (Singh et al., 2015) but is usually measured as absolute concentration in leaves or other plant parts (Khosravifar, Farahvash, Aliasgharzad, Yarnia, & Khoei, 2020; Wu et al, 2017). Little is known about relative proline concentrations in the phloem sap.…”

Section: Discussionmentioning

confidence: 99%

Effects of drought and mycorrhiza on wheat and aphid infestation

Pons

Voß

Schweiger

et al. 2020

Ecology and Evolution

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Worldwide, crop cultivation is increasingly challenged as a result of climate change (Lobell & Gourdji, 2012). Enhanced CO 2 levels and radiation lead to heatwaves and altered precipitations, exacerbating drought periods (Trenberth et al., 2014). Drought is defined as a climate event with below-normal precipitation in relation to the local normal conditions (Dai, 2011), but can be differentiated into distinct types. Many studies investigate the constant shortage of precipitations, that is, continuous drought (CD)

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Effects of different irrigation regimes and two arbuscular mycorrhizal fungi on some physiological characteristics and yield of potato under field conditions

Cited by 12 publications

References 58 publications

Mycorrhizal Interventions for Sustainable Potato Production in Africa

Mycorrhizal Interventions for Sustainable Potato Production in Africa

Plant Biostimulants in Sustainable Potato Production: an Overview

Effects of drought and mycorrhiza on wheat and aphid infestation

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