Apera spica‐venti in the Czech Republic develops resistance to three herbicide modes of action

Košnarová, Pavlína; Hamouz, Pavel; Hamouzová, Kateřina; Linn, Alexander I.; Sen, Madhab Kumar; Mikulka, Jakub; Šuk, Jaromír; Soukup, Josef

doi:10.1111/wre.12500

Cited by 7 publications

(7 citation statements)

References 32 publications

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“…(Wang et al 2019), Sinapis arvensis L. (Sin and Kadıoglu 2021), Apera spica-venti (L.) P. Beauv. (Košnarová et al 2021) etc. In addition to SNP, non-target resistance mechanisms might also play a role in conferring the resistance.…”

Section: Resultsmentioning

confidence: 99%

First cases of herbicide resistance of Tripleurospermum inodorum in the Czech Republic

Šuk¹,

Mikulka²,

Sen³

et al. 2023

Plant Soil Environ.

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Scentless mayweed (Tripleurospermum inodorum (L.) Sch. Bip.) is a competitive weed in the disturbed and agricultural areas of Europe, including the Czech Republic (Štrobach and Mikulka 2019). This weed is difficult to manage, particularly in cereals such as winter wheat and winter rape (Nadtochii 2009, Reiss et al. 2018. Since this weed germinates at almost the same time to that of the crop and produces high biomass, it significantly affects the yield of these crops (Adamczewski et al. 2014). The prevalence of this weed is mostly due to minimum or no-tillage systems. In general, scentless mayweed is well controlled by the most widely used herbicides in cereals, especially inhibitors of enzyme acetolactate synthase (ALS) such as active ingredients tribenuron, pyroxsulam or florasulam (Majcen et al. 2013, Jursík et al. 2018. Some herbicides, such as carfentrazone, pendimethalin, and growth regulator-inhibiting herbicides, were found to be less effective against this weed. Pre-emergence herbicides containing metazachlor, dimetachlor and pethoxamide usually give the most effective scentless mayweed control in winter rape. In case of control failure or the absence of preemergent treatment, herbicides containing clopyralid, picloram and halauxifen (synthetic auxins) can be applied after emergence during autumn or spring (Jursík et al. 2018).Acetolactate synthase is a vital enzyme involved in the synthesis of the branched-chain amino acids valine, leucine and isoleucine (Duggleby and Pang 2000). Since the first cases of resistance against ALSinhibiting herbicides, there has been a continuous rise

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Section: Resultsmentioning

confidence: 99%

First cases of herbicide resistance of Tripleurospermum inodorum in the Czech Republic

Šuk¹,

Mikulka²,

Sen³

et al. 2023

Plant Soil Environ.

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“…The farming system is mainly continuous cropping with a very short rotational system. These intensive practices increase management selection pressure, resulting in the emergence of herbicide-resistant populations ( Délye, 2005 ; Košnarová et al., 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Insight into the herbicide resistance patterns in Lolium rigidum populations in Tunisian and Moroccan wheat regions

El-Mastouri,

Košnarová,

Hamouzová

et al. 2024

Front. Plant Sci.

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Rigid ryegrass (Lolium rigidum Gaud.) is one of the most troublesome weeds in Moroccan and Tunisian cereal crop fields. In total, 19 rigid ryegrass field populations were randomly selected in northern wheat crop areas of Morocco and Tunisia to examine the patterns of herbicide resistance to acetolactate synthase (ALS)- and acetyl-CoA carboxylase (ACCase)-inhibiting herbicides. Greenhouse experiments confirmed reduced sensitivity to ALS- and/or ACCase-inhibiting herbicides in all L. rigidum populations. The occurrence of target-site resistance (TSR) was tested using high-throughput genotyping. The advent of next-generation sequencing (NGS) has enabled easy identification of causal mutations and confirmed the presence of ALS and ACCase mutations at specific codons conferring TSR. Thirteen populations showed resistance to ALS-inhibiting herbicides associated with point mutations in positions Pro-197-Thr, Pro-197-Ser, Pro-197-Leu, Pro-197-Gln and Trp-574-Leu, while resistance to ACCase-inhibiting herbicides was detected in 18 populations in positions Asp-2078-Val, Trp-2027-Cys, Ile-1781-Leu, Gly-2096-Ala, and Ile-2041-Asn of the enzymes conferring TSR. Additionally, dose–response experiments with pyroxsulam applied after the inhibition of cytochrome P450 monooxygenase by malathion showed an increase in sensitivity in two out of seven highly resistant (HR) rigid ryegrass populations. This demonstrates the presence of non-target-site resistance (NTSR) in some ryegrass populations. Further evidence of NTSR was investigated in dose–response experiments with pyroxsulam, following pretreatment with the glutathione S-transferase (GST) inhibitor 4-chloro-7-nitrobenzoxadiazole (NBD-Cl), which partially reversed resistance in only a few individuals of two L. rigidum populations. Hence, our study confirms the existence of multiple and cross-resistance to ALS- and ACCase-inhibiting herbicides in L. rigidum from Morocco and Tunisia with both TSR and NTSR mechanisms. These results emphasize local resistance management as an important tool to detect and mitigate gene flow from rigid ryegrass populations where resistance has evolved.

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“…15,21 TSR mutations in the ACCase sequence were present in low frequencies in the populations resistant to pinoxaden, therefore, metabolic detoxification was indicated to be the significant cause of resistance. 22 Still, the knowledge concerning the NTSR mechanism to this herbicide at the molecular level is deficient.…”

Section: Introductionmentioning

confidence: 99%

Transcriptome analysis indicates the involvement of herbicide‐responsive and plant–pathogen interaction pathways in the development of resistance to ACCase inhibitors in Apera spica‐venti

Wrzesińska‐Krupa

Szmatoła

Praczyk

et al. 2023

Pest Management Science

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Background: The continuous use of the herbicides contributes to the emergence of the resistant populations of numerous weed species that are tolerant to multiple herbicides with different modes of action (multiple resistance) which is provided by nontarget-site resistance mechanisms. In this study, we addressed the question of rapid acquisition of herbicide resistance to pinoxaden (acetyl CoA carboxylase inhibitor) in Apera spica-venti, which endangers winter cereal crops and has high adaptation capabilities to inhabit many rural locations. To this end, de novo transcriptome of Apera spica-venti was assembled and RNAsequencing analysis of plants resistant and susceptible to pinoxaden treated with this herbicide was performed.Results: The obtained data showed that the prime candidate genes responsible for herbicide resistance were those encoding 3-ketoacyl-CoA synthase 12-like, UDP-glycosyltransferases (UGT) including UGT75K6, UGT75E2, UGT83A1-like, and glutathione S-transferases (GSTs) such as GSTU1 and GSTU6. Also, such highly accelerated herbicide resistance emergence may result from the enhanced constitutive expression of a wide range of genes involved in detoxification already before herbicide treatment and may also influence response to biotic stresses, which was assumed by the detection of expression changes in genes encoding defence-related proteins, including receptor kinase-like Xa21. Moreover, alterations in the expression of genes associated with methylation in non-treated herbicide-resistant populations were identified. Conclusion:The obtained results indicated genes that may be involved in herbicide resistance. Moreover, they provide valuable insight into the possible effect of resistance on the weed interaction with the other stresses by indicating pathways associated with both abiotic and biotic stresses.

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Apera spica‐venti in the Czech Republic develops resistance to three herbicide modes of action

Cited by 7 publications

References 32 publications

First cases of herbicide resistance of Tripleurospermum inodorum in the Czech Republic

First cases of herbicide resistance of Tripleurospermum inodorum in the Czech Republic

Insight into the herbicide resistance patterns in Lolium rigidum populations in Tunisian and Moroccan wheat regions

Transcriptome analysis indicates the involvement of herbicide‐responsive and plant–pathogen interaction pathways in the development of resistance to ACCase inhibitors in Apera spica‐venti

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