Silicon, acibenzolar-S-methyl and potassium phosphite in the control of brown spot in rice

Nascimento, Kelly Juliane Telles; Araújo, Leonardo; Resende, Renata Sousa; Schurt, Daniel Augusto; Silva, Washington da; Rodrigues, Fabrício Á.

doi:10.1590/1678-4499.281

Cited by 16 publications

(8 citation statements)

References 38 publications

(86 reference statements)

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“…The antioxidant enzymes peroxidase (PO), phenylalanine ammonia-lyase (PAL), and polyphenoloxidase (PPO) were mentioned as elicitors of the systemic resistance (ISR) in the plants that have a correlation with disease control (Yasmin et al 2016). These enzymes are involved in the production of phenolic compounds that support the cell barriers against pathogens' attack (Nascimento et al 2016). Meanwhile, generation of ROS (reactive oxygen species) during oxidative burst may directly be involved in pathogen recognition, then pathogen killing, and systemic resistance signaling (Shoaib et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Induction of defense mechanisms involved in disease resistance of onion blight disease caused by Botrytis allii

Hussein

Abo-Elyousr

Hassan

et al. 2018

Egypt J Biol Pest Control

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Botrytis umbel blight caused by Botrytis allii is a major disease that attacks onion crop. In vitro, Trichoderma viride, Penicillium chrysogenum, and Saccharomyces cerevisiae and extract of bitter apple fruits (Citrullus colocynthis) showed antagonistic effect and inhibited the mycelial growth of B. allii. Gas chromatography-mass spectrometry (GC-MS) analysis of bitter apple fruits showed the existence of 37 compounds and their derivatives. Among them, 10 compounds constituted 58.66% of the total analyses. Greenhouse experiment approved that the extract of bitter apple fruits was the most effective in reducing disease incidence and severity, followed by P. chrysogenum, when they were applied 2 days pre-inoculation with the pathogen. All treatments significantly increased the total phenolic contents than the untreated control, but the highest increase was obtained when S. cerevisiae and P. chrysogenum were applied. A positive correlation was found between the activity of bioagents and improvement of peroxidase and phenylalanine ammonia-lyase enzymes in onion plants to resist infection with the pathogen. P. chrysogenum caused the highest increase in polyphenoloxidase activity in infected onion plants, while S. cerevisiae showed the lowest level of this enzyme. The study approved that application of the bioagents not only protected the onions against Botrytis disease but also enhanced the content of antioxidant compounds in onions. This encourages the application of such preparations to manage the production of onion crop, especially in the organic farming that bans the application of any chemicals.

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Section: Introductionmentioning

confidence: 99%

Induction of defense mechanisms involved in disease resistance of onion blight disease caused by Botrytis allii

Hussein

Abo-Elyousr

Hassan

et al. 2018

Egypt J Biol Pest Control

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“…Phosphites have been recognized for their efficacy against diseases caused by oomycetes, particularly Phytophthora spp., in a wide range of horticultural and native plant species (Dalio et al., 2014; King et al., 2010). There are some reports showing that phosphites can also control fungal diseases such as brown spot in rice (Nascimento et al., 2016), scab in pecan (Bock, Brenneman, Hotchkiss, & Wood, 2013), Ceratocystis wilt in mango (Araujo et al., 2015), pitch canker in pine (Cerqueira et al., 2017), rust in coffee (Monteiro et al., 2016), anthracnose in common bean (Gadaga, Abreu, Resende, & Ribeiro Júnior, 2017) and white mould in both common bean and soybean (Fagundes‐Nacarath, Debona, Brás, et al, 2018; Fagundes‐Nacarath, Debona, Oliveira, et al, 2018; Novaes et al., 2019). Despite these reports, the effect of phosphites in bacterial diseases remains largely unknown.…”

Section: Discussionmentioning

confidence: 99%

Phosphites of manganese and zinc potentiate the resistance of common bean against infection by Xanthomonas axonopodis pv. phaseoli

Costa

Debona

Silveira

et al. 2020

Journal of Phytopathology

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Common bacterial blight (CBB), caused by Xanthomonas axonopodis pv. phaseoli var. fuscans (Xapf), negatively impact common bean production globally. Considering the potential of phosphites to protect plants against different diseases, this study investigated the potential of using manganese (Mn) and zinc (Zn) phosphites in common bean for CBB control. Plants were inoculated with Xapf 48 hr after being sprayed with water (control) and solutions (7.5 ml/L) of Mn and Zn phosphites. The area under common bacterial blight progress curve (AUCBBPC) was significantly lower by 34% and 59% for Mn and Zn phosphite treatments in comparison with the control treatment. The AUCBBPC was significantly reduced by 38% for Zn phosphite‐sprayed plants compared to Mn phosphite treatment. Phosphite‐sprayed plants displayed higher values for area under the curves of net CO2 assimilation rate, stomatal conductance to water vapour, transpiration rate and internal‐to‐ambient CO2 concentration ratio than non‐sprayed plants. This indicates the effect of Mn and Zn phosphites in attenuating the photochemical dysfunctions caused by Xapf infection. Moreover, plants sprayed with Mn phosphite displayed higher values for area under the curves of efficiency in capturing the excitation energy of open reaction centres of PSII and electron transport rate than those non‐sprayed indicating their capacity to preserve the capture and the use of the collected energy more efficiently. Lower AUCBBPC for Zn phosphite‐sprayed plants resulted in higher concentrations of total chlorophylls. The Zn phosphite‐sprayed plants showed higher values for area under the curves of β‐1,3‐glucanase, phenylalanine ammonia‐lyase, polyphenoloxidase, ascorbate peroxidase and superoxide dismutase activities. The Zn phosphite spray primed the plants to enhance their defence response and antioxidant capacity to reduce Xapf‐triggered oxidative stress with the preservation of the photosynthetic apparatus more efficiently.

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“…Additionally, other studies reported the potential of phosphites in protecting commercial crops from being infected by oomycetes (Dalio et al., 2014; Eshraghi et al., 2011; Liu et al., 2016; Mulugeta et al., 2019) and other pathogens such as Ceratocystis fimbriata , Cochliobolus miyabeanus , Colletotrichum gloeosporioides , Fusarium spp., Hemileia vastatrix , Rhizoctonia solani , Streptomyces scabies , Sclerotinia sclerotiorum , and Pseudomonas syringae pv. aesculin (Araujo et al., 2010, 2015; Cerqueira et al., 2017; Lobato et al., 2010; Monteiro et al., 2016; Nascimento et al., 2016; Novaes et al., 2019; Percival & Banks, 2015).…”

Section: Discussionmentioning

confidence: 99%

“…Nascimento et al. (2016) reported that K phosphite spray reduced brown spot severity in rice plants without potentiating the activities of defence enzymes. By contrast, K phosphite spray reduced anthracnose severity on common bean plants by inhibiting fungal mycelial growth as well as helping to increase the activities of defence enzymes (Costa et al., 2018).…”

Section: Discussionmentioning

confidence: 99%

Physiological and biochemical responses of tomato plants to white mold affected by manganese phosphite

Chaves

Oliveira

Silva

et al. 2020

Journal of Phytopathology

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Considering the potential of white mold, caused by the fungus Sclerotinia sclerotiorum, to reduce tomato production, this study aimed to determinate the effect of manganese (Mn) phosphite on the resistance of tomato plants to this disease by assessing the photosynthetic performance (gas exchange and chlorophyll a fluorescence), the activities of defence enzymes and those related to the antioxidant metabolism as well as the concentrations of photosynthetic pigments, malondialdehyde (MDA), hydrogen peroxide (H2O2) and superoxide anion (O2−). The in vitro assays showed that S. sclerotiorum mycelial growth was inhibited by Mn phosphite in a dose‐response manner. The spray of Mn phosphite reduced white mold severity on the leaves of tomato plants. Additionally, there was a higher foliar Mn concentration for plants sprayed with Mn phosphite. The negative effects of S. sclerotiorum infection in the photosynthetic process were mitigated by Mn phosphite application as noticed by the net carbon assimilation rate, stomatal conductance to water vapour, transpiration rate, maximal photosystem II quantum yield values and concentration of photosynthetic pigments. The concentrations of MDA, H2O2 and O2‐ on inoculated leaves were lower upon Mn phosphite spray. In general, the activities of defence enzymes and those related to the antioxidant metabolism were higher for water‐sprayed plants inoculated with S. sclerotiorum in comparison to those inoculated and sprayed with Mn phosphite. Based on the present study results, the application of Mn phosphite may represent a feasible alternative for white mold management in tomato plants.

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Silicon, acibenzolar-S-methyl and potassium phosphite in the control of brown spot in rice

Abstract: The spraying of plants with Phi did not increase the activities of the studied defense enzymes. Taken together, the results of this study indicated that brown spot symptoms can be greatly reduced with the use of Si, ASM, and Phi.

Cited by 16 publications

References 38 publications

Induction of defense mechanisms involved in disease resistance of onion blight disease caused by Botrytis allii

Induction of defense mechanisms involved in disease resistance of onion blight disease caused by Botrytis allii

Phosphites of manganese and zinc potentiate the resistance of common bean against infection by Xanthomonas axonopodis pv. phaseoli

Physiological and biochemical responses of tomato plants to white mold affected by manganese phosphite

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