Physiological and yield responses of Aloe vera plant to biofertilizers under different irrigation regimes

Khajeeyan, Rahil; Salehi, Amin; Dehnavi, Mohsen Movahhedi; Farajee, Hooshang; Kohanmoo, Mohammad Amin

doi:10.1016/j.agwat.2019.105768

Cited by 31 publications

(18 citation statements)

References 53 publications

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“…Total content of phenols was increased by Glomus versiforme in maize under two drought regimes, indicating that AMF-induced phenols, as active scavengers of ROS, protect cellular structures and the functioning of their hosts (Begum et al 2019). Numerous studies have confirmed that AMF inoculation enhances concentrations of carotenoids in Aloe barbadensis, Citrus aurantifolia, Ricinus communis and Zinnia elegans under drought stress (Zhang et al 2018b;Bagheri et al 2019;Khajeeyan et al 2019;Nejad et al 2019). An increase in carotenoids in droughtstressed host plants by AMF inoculation could quench more 1 O 2 from excess light energy, thereby protecting the photosynthetic machinery from photo-oxidative damage (Shi et al 2015).…”

Section: Plant Response Mechanisms On Amf-mitigating Ros Burst Under Drought Stressmentioning

confidence: 99%

Unravelling the role of arbuscular mycorrhizal fungi in mitigating the oxidative burst of plants under drought stress

2020

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With continued climate changes, soil drought stress has become the main limiting factor for crop growth in arid and semi-arid regions. A typical characteristic of drought stress is the burst of reactive oxygen species (ROS), causing oxidative damage. Plant-associated microbes, such as arbuscular mycorrhizal fungi (AMF), can regulate physiological and molecular responses to tolerate drought stress, and they have a strong ability to cope with drought-induced oxidative damage via enhanced antioxidant defence systems. AMF produce a limited oxidative burst in the arbuscule-containing root cortical cells. Similar to plants, AMF modulate a fungal network in enzymatic (e.g. GmarCuZnSOD and GintSOD1) and non-enzymatic (e.g. GintMT1, GinPDX1 and GintGRX1) antioxidant defence systems to scavenge ROS. Plants also respond to mycorrhization to enhance stress tolerance via metabolites and the induction of genes. The present review provides an overview of the network of plant À arbuscular mycorrhizal fungus dialogue in mitigating oxidative stress. Future studies should involve identifying genes and transcription factors from both AMF and host plants in response to drought stress, and utilize transcriptomics, proteomics and metabolomics to clarify a clear dialogue mechanism between plants and AMF in mitigating oxidative burst.

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Section: Plant Response Mechanisms On Amf-mitigating Ros Burst Under Drought Stressmentioning

confidence: 99%

Unravelling the role of arbuscular mycorrhizal fungi in mitigating the oxidative burst of plants under drought stress

2020

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“…Moreover, a growing literature on the effect of on-farm practices on the quantity and quality of the aloe vera gel has been developed. The effect of irrigation has been explored in the studies of Rodriguez-Garcia et al [59] and Murillo-Amador [61], while the utilisation of biofertilizers in the mitigation of aloe vera water stress is explored in the study of Khajeeyan [65]. A number of studies also explore the effect of the harvesting period [66][67][68][69] on the yield and in the concentration of bioactive compounds.…”

Section: Aloe Vera Cropmentioning

confidence: 99%

The Role of the Start-Up Aid for Young Farmers in the Adoption of Innovative Agricultural Activities: The Case of Aloe Vera

Liontakis¹,

Sintori²,

Tzouramani³

2021

Agriculture

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The poor generational renewal has been identified as a key issue for the EU policy that undermines the restructuring of the agricultural sector and the revitalisation of rural areas. The start-up aid for young farmers is one of the main EU-driven policy measures that try to mitigate this trend, by facilitating the initial investment of young newcomers in agriculture. At the same time, innovative crops with appealing characteristics are proposed as promising alternatives with high socioeconomic and low environmental impacts. Recently, a draft new call of the start-up aid for young farmers measure has been set under public consultation in Greece, which significantly alters the requirements and the level of support of the beneficiaries, compared to the previous one. The aim of this study is to explore the consequences of this change to the desirability to invest in the organic aloe vera crop, one of the leading innovating crops in Greece. In this study, taking into consideration the embedded risk and uncertainty, we utilise a stochastic version of the Net Present Value (NPV) analysis, a common discount cash flows method to detect the desirability of an investment. Results indicate that the potential alteration of the start-up aid for young farmers deteriorates the desirability of this investment and thus prevents farmers from its adoption. The analysis provides useful insights by highlighting risk factors and the possible impacts of policy measures on the desirability of innovative crops; thus, it can be useful both for investors and policymakers.

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“…Another study addressing corn found that biofertilizer application mitigated the negative effects of nitrogen deprivation, where the treatments receiving biofertilizer had significantly higher F v /F m under lower rates of nitrogen (Veres et al 2007). Biofertilizers derived from different sources have also positively influenced PE values of safflower (Carthamus tinctorius L.) (Raheleh, Ghassemi, and Asghari 2019)and aloe vera (Aloe barbadensis Miller) (Khajeeyan et al 2019) under drought stress and banana without any promoted stress conditions (Musa sapientum AAA group 'Kluai Hom Thong') (Theerawitaya et al 2017).…”

Section: Year 2018 and 2019mentioning

confidence: 99%

An integrated plant nutrition system (IPNS) for corn in the Mid-Atlantic USA

Filho

Thomason

Evanylo

et al. 2020

Journal of Plant Nutrition

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Current trends in agriculture have moved toward more sustainable cultivation systems with higher efficiency of input use. A variety of materials, derived from different resources, can serve as a crop nutrient sources. An Integrated Plant Nutrition System (IPNS) uses the combined and harmonious use of inorganic, organic and biological nutrient resources to maximize efficiency of inputs. We evaluated the effects of commercial nitrogen (N) fertilizer, humic acid compounds (HA), compost/manure teas and bioinoculants as inorganic, organic and biological resources, respectively and their synergy over three years on corn (Zea mays L.) in the Mid-Atlantic USA. The individual and combined application of HA and biofertilizer following the IPNS influenced corn height and leaf greenness to varying degrees, most likely due to biostimulant effects. In 2017, corn height, NDVI, greenness and vigor responded positively to biostimulant application to varying magnitudes and growth stages, however grain yield and nutrient content were not affected. In combined studies from 2018 and 2019 corn height was not impacted by biostimulant application but NDVI, photosynthetic efficiency, greenness and vigor were increased at different doses and corn growth stages. The combined use of HA þ biofertilizer (Microlife Humic þ Microgeo) was the only treatment leading to increased grain yield. This study demonstrates that the individual and combined application of HA and biofertilizer can influence corn growth and vigor at various points during the growing season. However, the current study cannot conclusively confirm that the integrated use of HA and biofertilizers (IPNS) is a better practice than the application of each compound individually.

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Physiological and yield responses of Aloe vera plant to biofertilizers under different irrigation regimes

Cited by 31 publications

References 53 publications

Unravelling the role of arbuscular mycorrhizal fungi in mitigating the oxidative burst of plants under drought stress

Unravelling the role of arbuscular mycorrhizal fungi in mitigating the oxidative burst of plants under drought stress

The Role of the Start-Up Aid for Young Farmers in the Adoption of Innovative Agricultural Activities: The Case of Aloe Vera

An integrated plant nutrition system (IPNS) for corn in the Mid-Atlantic USA

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