Untitled

Curir, P.; Guglieri, L.; Dolci, Marcello; Capponi, Alessandro M.; Aurino, G.

doi:10.1023/a:1008739708931

Cited by 24 publications

(4 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…It was reported that FA is the critical causal agent of Fusarium wilt through leaf cell membrane injury [6,7]. Many studies have shown that FA disturbs the metabolism of infected plants and decreases the viability of plant cells, including the early hyperpolarization of the root membrane electrical potential [8]; alterations in membrane permeability [9]; an increase of electrolyte leakage [10,11]; the inhibition of defense enzymes and respiratory activity [12,13]; and a decrease in ATP levels and stomatal conductance [14,15], thus inhibiting plant growth and eventually leading to death [15,16,17]. Generally, the disease index was positively correlated with FA production [18].…”

Section: Introductionmentioning

confidence: 99%

Nitrate Increased Cucumber Tolerance to Fusarium Wilt by Regulating Fungal Toxin Production and Distribution

Zhou

Wang

Sun

et al. 2017

Toxins

View full text Add to dashboard Cite

Cucumber Fusarium wilt, induced by Fusarium oxysporum f. sp. cucumerinum (FOC), causes severe losses in cucumber yield and quality. Nitrogen (N), as the most important mineral nutrient for plants, plays a critical role in plant–pathogen interactions. Hydroponic assays were conducted to investigate the effects of different N forms (NH4+ vs. NO3‒) and supply levels (low, 1 mM; high, 5 mM) on cucumber Fusarium wilt. The NO3‒-fed cucumber plants were more tolerant to Fusarium wilt compared with NH4+-fed plants, and accompanied by lower leaf temperature after FOC infection. The disease index decreased as the NO3‒ supply increased but increased with the NH4+ level supplied. Although the FOC grew better under high NO3− in vitro, FOC colonization and fusaric acid (FA) production decreased in cucumber plants under high NO3− supply, associated with lower leaf membrane injury. There was a positive correlation between the FA content and the FOC number or relative membrane injury. After the exogenous application of FA, less FA accumulated in the leaves under NO3− feeding, accompanied with a lower leaf membrane injury. In conclusion, higher NO3− supply protected cucumber plants against Fusarium wilt by suppressing FOC colonization and FA production in plants, and increasing the plant tolerance to FA.

show abstract

Section: Introductionmentioning

confidence: 99%

Nitrate Increased Cucumber Tolerance to Fusarium Wilt by Regulating Fungal Toxin Production and Distribution

Zhou

Wang

Sun

et al. 2017

Toxins

View full text Add to dashboard Cite

show abstract

“…lycopersici (Yun et al, 2019) F. oxysporum f. sp. lilii (Curir et al, 2000), F. oxysporum f. sp. albedinis (Bouizgarne et al, 2004), F. oxysporum f. sp.…”

Section: Discussionmentioning

confidence: 99%

Physiological Response of Cape Gooseberry Plants to Fusarium oxysporum f. sp. physali, Fusaric Acid, and Water Deficit in a Hydrophonic System

et al. 2021

View full text Add to dashboard Cite

Cape gooseberry production has been limited by vascular wilt caused by Fusarium oxysporum f. sp. physali (Foph). Fusaric acid (FA) is a mycotoxin produced by many Fusarium species such as F. oxysporum formae speciales. The effects of the interaction between this mycotoxin and plants (such as cape gooseberry) under biotic stress (water deficit, WD) have been little explored. Three experiments were carried out. The objectives of this study were to evaluate (i) different Foph inoculum densities (1 × 104 and 1 × 106 conidia ml−1; experiment (1); (ii) the effect of times of exposure (0, 6, 9, and 12 h) and FA concentrations (0, 12.5, 25, 50, and 100 mg L−1; experiment (2), and (iii) the interaction between Foph (1 × 104 conidia mL−1) or FA (25 mg L−1 × 9 h), and WD conditions (experiment 3) on the physiological (plant growth, leaf stomatal conductance (gs), and photochemical efficiency of PSII (Fv/Fm ratio) and biochemical [malondialdehyde (MDA) and proline] responses of cape gooseberry seedling ecotype Colombia. The first experiment showed that Foph inoculum density of 1 × 106 conidia ml−1 caused the highest incidence of the disease (100%). In the second experiment, gs (~40.6 mmol m−2 s−1) and Fv/Fm ratio (~0.59) decreased, whereas MDA (~9.8 μmol g−1 FW) increased in plants with exposure times of 9 and 12 h and an FA concentration of 100 mg L−1 compared with plants without FA exposure or concentrations (169.8 mmol m−2 s−1, 0.8, and 7.2 μmol g−1 FW for gs, Fv/Fm ratio and MDA, respectively). In the last experiment, the interaction between Foph or FA and WD promoted a higher area under the disease progress curve (AUDPC) (Foph × WD = 44.5 and FA × WD = 37) and lower gs (Foph × WD = 6.2 mmol m−2 s−1 and FA × WD = 9.5 mmol m−2 s−1) compared with plants without any interaction. This research could be considered as a new approach for the rapid scanning of responses to the effects of FA, Foph, and WD stress not only on cape gooseberry plants but also on other species from the Solanaceae family.

show abstract

“…Salienta-se ainda que alguns autores afi rmam que o ácido fusárico, em baixas concentrações, pode induzir a resistência de plantas a fungos do gênero Fusarium (CURIR et al, 2000;SAMADI & BEHBOODI, 2006;BOUIZGARNE et al, 2006), podendo ser esta, outra possível causa da sobrevivência das plantas de maracujazeiro amarelo em 40% de fi ltrado, conforme observado por FLORES et al (2012). Tendo em vista a morte de 100% das plantas não irradiadas quando tratadas com 40% da cultura fúngica, a reação dessas plantas não foi avaliada com a concentração de 50% do fi ltrado.…”

Section: Ciência Rural V44 N4 Abr 2014unclassified

Raios gama na sobrevivência de plantas de maracujazeiro amarelo inoculadas com Fusarium oxysporum f sp. passiflorae

Flores

Bruckner

2014

Cienc. Rural

View full text Add to dashboard Cite

A murcha de Fusarium ou fusariose ocorre em diversas regiões produtoras de maracujá amarelo e tem ocasionado grandes danos devido à morte das plantas. A mutagênese associada à seleção in vitro utilizando fitotoxinas possibilita a aplicação de uma pressão de seleção sobre um grande número de propágulos e, assim, pode direcionar a seleção dos mutantes específicos. Neste trabalho, foi analisado o efeito de raios gama sobre a sobrevivência de plantas de maracujazeiro amarelo inoculados com F. oxysporum f. sp. passiflorae. Brotações foliares provenientes de segmentos caulinares de P. edulis irradiados a 20Gy foram submetidas a dois ciclos de seleção em meio de cultura suplementado com o filtrado da cultura fúngica (40% e 50% de filtrado). As plantas selecionadas foram inoculadas com a suspensão de conídio em casa de vegetação e após, transferidas para o campo em local com histórico da doença. Ao final da etapa de seleção in vitro, sobreviveram 17,05% das plantas irradiadas e nenhuma planta do tratamento testemunha. A inoculação com a suspensão de conídio não resultou em diferenças significativas na sobrevivência das plantas irradiadas e não irradiadas. No entanto, em condições de campo, foi confirmado o efeito da radiação no aumento da sobrevivência das plantas, sendo verificada a sobrevivência de 77,78% das plantas irradiadas e a morte de todas as plantas do tratamento testemunha.

show abstract

Untitled

Cited by 24 publications

References 11 publications

Nitrate Increased Cucumber Tolerance to Fusarium Wilt by Regulating Fungal Toxin Production and Distribution

Nitrate Increased Cucumber Tolerance to Fusarium Wilt by Regulating Fungal Toxin Production and Distribution

Physiological Response of Cape Gooseberry Plants to Fusarium oxysporum f. sp. physali, Fusaric Acid, and Water Deficit in a Hydrophonic System

Raios gama na sobrevivência de plantas de maracujazeiro amarelo inoculadas com Fusarium oxysporum f sp. passiflorae

Contact Info

Product

Resources

About