The target-site based resistance mechanism of Alopecurus myosuroides Huds. To pyroxsulam

Huang, Zhengxu; Lu, Xingtao; Wei, Shugang; Zhang, Chaoxian; Jiang, Cuilan; Li, Wenyu; Saeed, Muhammad; Huang, Hongjuan

doi:10.1016/j.cropro.2021.105707

Cited by 7 publications

(8 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In previous studies, an altered ALS enzyme was reported as the main mechanism of resistance in these resistant populations [16]. Huang et al reported that two A. myosuroides populations had evolved resistance to pyroxsulam with Pro-197-Thr or Trp-574-Leu mutation in ALS, but no resistance to ACCase herbicides [17]. This research confirms that an A. myosuroides population was cross-resistant to the ALS-inhibiting herbicides pyroxsulam and mesosulfuron-methyl.…”

Section: Discussionsupporting

confidence: 73%

“…Different A. myosuroides populations resistant to ACCase-inhibiting herbicides have mainly been found in European countries [4]. To date, five different site mutations, Ile-1781-Leu, Trp-2027-Cys, Ile-2041-Asp, Asp-2078-Gly, and Gly-2096-Ala, have been reported in A. myosuroides resistant to ACCase inhibitors [17]. In this study, the AH93 A. myosuroides population could survive the pinoxaden application at 4× the field rate (240 g ha −1 ) and the Trp-2027-Cys and Arg-2088-Cys amino acid mutations were identified.…”

Section: Discussionmentioning

confidence: 99%

“…Leaves from ten individuals of the TJ43 and AH93 A. myosuroides populations were harvested, and their DNA was extracted with a plant DNA kit (Tiangen Biotechnology Co., Ltd., Beijing, China). The ALS gene and ACCase gene were amplified according to the methods of Huang et al [17] and Ge et al [26].…”

Section: Partial Sequencing Of the Als And Accase Genesmentioning

confidence: 99%

See 2 more Smart Citations

Mechanism of Resistance to Pyroxsulam in Multiple-Resistant Alopecurus myosuroides from China

Lan

Sun

Liu

et al. 2022

Plants

Self Cite

View full text Add to dashboard Cite

Black grass (Alopecurus myosuroides Huds.) is a highly competitive weed in winter wheat fields of China. Due to repeated use of acetolactate synthase (ALS) inhibitors, many A. myosuroides populations have evolved resistance to pyroxsulam in some wheat fields. Research was conducted to determine the molecular basis of herbicide resistance in the AH93 A. myosuroides population. Whole-plant dose–response assay confirmed that the AH93 population was resistant to pyroxsulam with a resistance index of 4.2. Cross- and multiple-resistance assays indicated that the AH93 population was cross-resistant to mesosulfuron-methyl and multiple-resistant to pinoxaden. Sequencing of the ALS and ACCase gene revealed that there was no target-site mutation in ALS, but Trp-2027-Cys and Cys-2088-Arg amino acid mutations in ACCase in the AH93 population. A malathion pretreatment study indicated that the AH93 population might have cytochrome P450–mediated herbicide metabolic resistance. This is the first report of pyroxsulam resistance in a multiple-resistant A. myosuroides population in China, and the Cys-2088-Arg mutation is the first reported case of an ACCase mutant conferring herbicide resistance in A. myosuroides.

show abstract

Section: Discussionsupporting

confidence: 73%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Mechanism of Resistance to Pyroxsulam in Multiple-Resistant Alopecurus myosuroides from China

Lan

Sun

Liu

et al. 2022

Plants

Self Cite

View full text Add to dashboard Cite

show abstract

“…In the ALS amino acid the changes at position P197 were identified. P197T was previously reported in A. myosuroides plants 44 , 45 , while P197A was detected in the Lolium rigidum and Conyza canadensis populations 46 , 47 . The W1999L mutation found in the ACCase sequence was also acknowledged to confer resistance to the ACCase-inhibiting herbicide fenoxaprop in Alopecurus japonicus 48 .…”

Section: Discussionmentioning

confidence: 51%

Intra- and interspecies competition of blackgrass and wheat in the context of herbicidal resistance and environmental conditions in Poland

Wenda-Piesik

Synowiec

Marcinkowska

et al. 2022

Sci Rep

View full text Add to dashboard Cite

Blackgrass (Alopecurus myosuroides Huds.), one of the most aggressive grass weeds in Europe, is also a strong competitor of crops. This study aimed to assess the impact of environmental conditions on the competition between (1) ACC-ase and ALS herbicide-resistant (BR) and herbicide-susceptible (BS) blackgrass biotypes, (2) BR and winter wheat cv. Arkadia (W), and (3) BS and W. In the replacement series model, the experiment was conducted at seven sites across Poland during two seasons (2018/19 and 2019/20). In the BR-BS experiment, the BS biotype was in majority more competitive toward the BR biotype. However, in the regime of optimal hydrothermal conditions and at a higher sand content in the soil we observed a higher competitiveness of BR towards BS. The combined interactions between W and BR or BS were also affected by environmental conditions, i.e., soil texture and hydrothermal coefficient, as explained by PCA and k-means cluster analysis. At most sites, W was more competitive toward both BS and BR, which could result from earlier emergence of W in relation to B in majority of sites. Except for two cases, located on heavy, clay soils, during humid seasons, where B was more competitive toward W. We summarize that blackgrass competitiveness towards other biotypes and wheat depends to some extent on environmental conditions; however, the phenomenon should be explored in more detail.

show abstract

“…), that developed tolerance to ACCase-inhibiting herbicides. However, in a while, weeds started developing tolerance to this herbicide as well (Huang et al, 2021). Over time, the number of tolerant weed species began to increase and this fact keeps being reported.…”

Section: Introductionmentioning

confidence: 99%

Evaluation the Efficiency of Newly Combined Herbicide Pyroxsulam and Galaxifen-methyl in Winter Wheat (Triticum aestivum L.)

Al-Maliki¹,

Golubev²,

Долженко³

et al. 2023

IJARe

View full text Add to dashboard Cite

Background: Globally, wheat production is essential for food security as it is an essential staple food crop for a huge population. However, there are different biotic and abiotic factors affected the productivity of wheat. One of the essential competitors of wheat crop are weeds. Wheat is infested by both annual and perennial dicotyledonous weeds. The main purpose of this study is to evaluate the efficiency of the new combined herbicide Tarzec WG based on pyroxsulam and galaxifen-methyl + safener cloquintocet-mexyl for protecting winter wheat from the weeds. Methods: The field experiment was conducted during 2019 and 2020. The experimental treatments consisted of Tarzec two application rates: 19 g/ha and 22 g/ha.Reference standards were applied, Pallas 45 (22 g/ha of pyroxsulam). Result: Results revealed that the greatest advantage of the combined herbicide Tarzec WG over the single-component agent Pallas 45 OD was attained through the inhibition degree against weeds in both the seasons of experiment. Unfortunately, these compelling advantages of combined agent over the single-component one was not identified with respect to Cerastiumnemorale, Avenafatua and Alopecurus myosuroides. Tarzec WG herbicide was not phytotoxic to the plants of the winter wheat.

show abstract

The target-site based resistance mechanism of Alopecurus myosuroides Huds. To pyroxsulam

Cited by 7 publications

References 25 publications

Mechanism of Resistance to Pyroxsulam in Multiple-Resistant Alopecurus myosuroides from China

Mechanism of Resistance to Pyroxsulam in Multiple-Resistant Alopecurus myosuroides from China

Intra- and interspecies competition of blackgrass and wheat in the context of herbicidal resistance and environmental conditions in Poland

Evaluation the Efficiency of Newly Combined Herbicide Pyroxsulam and Galaxifen-methyl in Winter Wheat (Triticum aestivum L.)

Contact Info

Product

Resources

About