Effect of salicylic acid on Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Qi, Pengfei; Johnston, Anne; Balcerzak, Margaret; Rocheleau, Hélène; Harris, Linda J.; Long, Xiangyu; Wei, Yuming; Zheng, Youliang; Ouellet, Thérèse

doi:10.1016/j.funbio.2012.01.001

Cited by 81 publications

(130 citation statements)

References 57 publications

(51 reference statements)

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“…BA inhibition on the fungus Botryosphaeria has been recently reported (Srivastava et al 2013). The fungitoxic activity of SA found in our study is in agreement with the findings of other researchers who tested SA on different fungal species, such as S. sclerotiorum (Forchetti et al 2010), F. graminearum (Qi et al 2012) and F. oxysporum f. sp. niveum (Wu et al 2008).…”

Section: Effects Of Allelochemicalssupporting

confidence: 93%

“…Exogenously applied SA enhanced the resistance of Brassica napus plants to S. sclerotiorum (Wang et al 2012) whose growth in vitro was also directly reduced by SA (Forchetti et al 2010). The mycelial growth and conidial formation and germination of Fusarium species were inhibited by SA under acidic conditions (Wu et al 2008;Qi et al 2012) and by FA and CA (Ponts et al 2011). The allelochemicals SA and phthalic acid (PA), identified in root exudates of rice, demonstrated antifungal properties towards Fusarium oxysporum f. sp.…”

Section: Introductionmentioning

confidence: 98%

“…In both plants and microorganisms-such as bacteria, algae and fungi-these compounds are known to influence a variety of physiological and biochemical processes (Rice 1984). Numerous investigations have been reported on allelopathic effects on plants (Rice 1984;Yu et al 2003;Makoi and Ndakidemi 2012), whereas much less is known about the response of microorganisms, particularly fungi, to these compounds (Wu et al 2008;Qi et al 2012).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Soil and compost humic fractions regulate the response of Sclerotinia sclerotiorum to exogenously added allelochemical compounds

Loffredo

Traversa

2014

Biol Fertil Soils

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Section: Effects Of Allelochemicalssupporting

confidence: 93%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Soil and compost humic fractions regulate the response of Sclerotinia sclerotiorum to exogenously added allelochemical compounds

Loffredo

Traversa

2014

Biol Fertil Soils

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“…Not only SA inhibits the F. graminearum growth in acidic conditions but also this pathogen has the ability to metabolize SA to SA biosynthesis intermediates such as catechol in basic growth conditions. In conclusion, the SA-F. graminearum function depends on the growth conditions (Qi et al 2012). The plant SA response against F. graminearum was also confirmed in studies using wheat with known doi: 10.17221/182/2015-PPS resistance or susceptibility to Fusarium (Pritsch et al 2000).…”

Section: Fusarium Species Studiessupporting

confidence: 55%

Fusarium-plant interaction: state of the art - a review

Dinolfo¹,

Castañares²,

Stenglein³

2017

Plant Prot. Sci.

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Dinolfo M.I., Castañares E., Stenglein S.A. (2017): Fusarium-plant interaction: state of the art -a review. Plant Protect. Sci., 53: 61-70.One of the most important genera able to develop diseases in cereals is Fusarium which not only produces losses by the fungal presence but also mycotoxin production harmful to human and animal consumers. In the environment, plants are continuously threatened by abiotic and biotic stresses. Among the latter, pathogens gained importance mainly due to their ability to affect the plant fitness. To protect against potential attacks, plants have developed strategies in which phytohormones have an essential role. In plant-pathogen interactions, salicylic acid, ethylene, and jasmonates are the most important, but there are also auxins, gibberellins, abscisic acid, cytokinins, brassinosteroids, and peptide hormones involved in plant defence. The interaction between Fusarium species and plants used as models has been developed to allow understanding the plant behaviour against this kind of pathogen with the aim to develop several strategies to decrease the Fusarium disease effects.

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“…The resistance of wheat against infection by F. graminearum has primarily been attributed to SA-mediated (Makandar et al, 2012) and JA-mediated (Li and Yen, 2008;Qi et al, 2012) defense pathways. Because of the hemibiotrophic lifestyle of F. graminearum, it can be expected that SA and JA will play a sequential role in the plant defense against F. graminearum.…”

Section: Don Analysismentioning

confidence: 99%

Priming of Wheat with the Green Leaf Volatile Z-3-Hexenyl Acetate Enhances Defense against Fusarium graminearum But Boosts Deoxynivalenol Production

Ameye

Audenaert²,

Zutter³

et al. 2015

Plant Physiol.

116

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Priming refers to a mechanism whereby plants are sensitized to respond faster and/or more strongly to future pathogen attack. Here, we demonstrate that preexposure to the green leaf volatile Z-3-hexenyl acetate (Z-3-HAC) primed wheat (Triticum aestivum) for enhanced defense against subsequent infection with the hemibiotrophic fungus Fusarium graminearum. Bioassays showed that, after priming with Z-3-HAC, wheat ears accumulated up to 40% fewer necrotic spikelets. Furthermore, leaves of seedlings showed significantly smaller necrotic lesions compared with nonprimed plants, coinciding with strongly reduced fungal growth in planta. Additionally, we found that F. graminearum produced more deoxynivalenol, a mycotoxin, in the primed treatment. Expression analysis of salicylic acid (SA) and jasmonic acid (JA) biosynthesis genes and exogenous methyl salicylate and methyl jasmonate applications showed that plant defense against F. graminearum is sequentially regulated by SA and JA during the early and later stages of infection, respectively. Interestingly, analysis of the effect of Z-3-HAC pretreatment on SA-and JA-responsive gene expression in hormone-treated and pathogen-inoculated seedlings revealed that Z-3-HAC boosts JA-dependent defenses during the necrotrophic infection stage of F. graminearum but suppresses SA-regulated defense during its biotrophic phase. Together, these findings highlight the importance of temporally separated hormone changes in molding plant health and disease and support a scenario whereby the green leaf volatile Z-3-HAC protects wheat against Fusarium head blight by priming for enhanced JA-dependent defenses during the necrotrophic stages of infection.

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Effect of salicylic acid on Fusarium graminearum, the major causal agent of fusarium head blight in wheat

Cited by 81 publications

References 57 publications

Soil and compost humic fractions regulate the response of Sclerotinia sclerotiorum to exogenously added allelochemical compounds

Soil and compost humic fractions regulate the response of Sclerotinia sclerotiorum to exogenously added allelochemical compounds

Fusarium-plant interaction: state of the art - a review

Priming of Wheat with the Green Leaf Volatile Z-3-Hexenyl Acetate Enhances Defense against Fusarium graminearum But Boosts Deoxynivalenol Production

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