Weeds, Herbicides and Plant Disease Management

Sardrood, Babak Pakdaman; Goltapeh, Ebrahim Mohammadi

doi:10.1007/978-3-319-94232-2_3

Cited by 17 publications

(5 citation statements)

References 350 publications

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“…For example, Alla and Younis (1995) observed in young plants that the weedicides trifluralin (in soybean) and fluometuron (in maize) reduced the enzyme activity of phenylalanine ammonia lyase (PAL) and chalcone isomerase (CL), two key enzymes of polyphenol biosynthesis, resulting in lower polyphenol (anthocyanin) contents. In other studies, however, positive effects of weedicides on PAL and CL, as well as on phenolic compound contents were also found (Scarponi et al, 1992, Alla and Younis 1995, Subba Rao and Modhulety 2005, Pakdaman Sardrood and Mohammadi Goltapeh 2018.…”

Section: Discussionmentioning

confidence: 82%

Effects of post-emergence weedicides on yield, polyphenolic acids, flavonoids and antioxidant potential of artichoke leaves

Ali

2023

PAKJAS

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Artichoke is well known for its various medicinal properties i.e., lipid-lowering and antioxidant activity. Antioxidant activity of artichoke is mainly caused by the presence of various biologically active compounds, especially polyphenols. These polyphenols are being affected by a variety of environmental and cultivation factors including the application weedicides. The current study was aimed at clarifying the effects of various commonly used post-emergence weedicides (Phenmedipham, Pyridate, Quizalofop-p-ethyl, Prosulfocarb, Carfentrazone-ethyl, Rimsulfuron, Aclonifen, and Clomazone) on the production of polyphenolic compounds, including the flavonoids and caffeoylquinic acids. Weedicides were applied during the cultivation of artichoke in two growth phases. Polyphenols were analyzed in leaf extracts of artichoke using the HPLC method. In addition, the antioxidant activity of the leaf samples was determined. Results revealed minimum production of dry matter in the treatment with aclonifen (2.61 t ha-1). While different weedicide showed variable effects after each week (1st, 2nd, 3rd, 4th) of application. Significant difference among the various treatments of weedicide during both growth phases i.e., concentration of polyphenolics is being remarkably affecting by treatments with various weedicide. A positive correlation CQA (caffeoylquinic acid) with flavonoids on one hand and with ORAC (Oxygen Radical Absorbance Capacity) on the other showed the synergism among these. Moreover, the antioxidant capacity of artichoke leaf extracts is influenced by the content of caffeoylquinic acids and flavonoid in addition to some other antioxidants (carotenoids, terpenoids etc.). Weedicide application can lead to a reduction in phenolic constituents of artichoke leaf samples; however, this negative impact is quickly compensated during further growth and development of plant under moderate climate conditions

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Section: Discussionmentioning

confidence: 82%

Effects of post-emergence weedicides on yield, polyphenolic acids, flavonoids and antioxidant potential of artichoke leaves

Ali

2023

PAKJAS

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“…Certain herbicides have the potential to directly harm crop plants, impairing their ability to fend off disease and increasing their susceptibility to infections. When plants sustain sublethal injuries, their root tissues’ membrane permeability may change, allowing the cell contents to seep into the root–soil interface [ 5 , 6 ]. A number of the effects of herbicides, including the effects of glyphosate-based herbicides, and herbicide-resistant plants are reviewed by Schütte et al [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Establishment of an Efficient Sugarcane Transformation System via Herbicide-Resistant CP4-EPSPS Gene Selection

Wang,

Javed,

Shen

et al. 2024

Plants

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Sugarcane (Saccharum spp.), a major cash crop that is an important source of sugar and bioethanol, is strongly influenced by the impacts of biotic and abiotic stresses. The intricate polyploid and aneuploid genome of sugarcane has shown various limits for conventional breeding strategies. Nonetheless, biotechnological engineering currently offers the best chance of introducing commercially significant agronomic features. In this study, an efficient Agrobacterium-mediated transformation system that uses the herbicide-resistant CP4-EPSPS gene as a selection marker was developed. Notably, all of the plants that were identified by PCR as transformants showed significant herbicide resistance. Additionally, this transformation protocol also highlighted: (i) the high yield of transgenic lines from calli (each gram of calli generated six transgenic lines); (ii) improved selection; and (iii) a higher transformation efficiency. This protocol provides a reliable tool for a routine procedure for the generation of resilient sugarcane plants.

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“…The literature reports that in herbicide interactions between pathogens and plants, disease severity may increase or decrease 20,21 . Because previous soybean varieties lacked resistance to these herbicides, studies relating the use of 2,4‐D and glufosinate ammonium to disease occurrence are scarce.…”

Section: Introductionmentioning

confidence: 99%

“…18,19 The literature reports that in herbicide interactions between pathogens and plants, disease severity may increase or decrease. 20,21 Because previous soybean varieties lacked resistance to these herbicides, studies relating the use of 2,4-D and glufosinate ammonium to disease occurrence are scarce. It is stated that use of glyphosate has been effective in controlling P. pachyrhizi 22,23 and Erysiphe diffusa 24 in resistant soybean using previous glyphosate resistance technology.…”

Section: Introductionmentioning

confidence: 99%

Herbicides reduce the severity and sporulation of Phakopsora pachyrhizi in soybean with triple herbicide resistance

Claus

Roncatto

Barroso

et al. 2023

Pest Management Science

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BACKGROUNDTransgenic event DAS44406‐6 (E3) makes soybeans that are herbicide [glyphosate (Gly), 2,4‐dichlorophenoxyacetic acid (2,4‐D) and glufosinate] and caterpillar resistant. The E3 soybean was commercially released for the 2021/2022 harvest in Brazil. We conducted this study to test whether Gly and 2,4‐D applied alone and in a commercial mixture affect Asian soybean rust (ASR). Assays were conducted in detached leaves and in vivo, in a controlled environment using the herbicides Gly, 2,4‐D and Gly + 2,4‐D, and pathogen inoculation. Disease severity and spore production were evaluated.RESULTSOnly the herbicides Gly and Gly + 2,4‐D inhibited ASR in detached leaves and in vivo. When applied preventively and curatively in vivo, these herbicides reduced the disease severity and spore production of the fungus. In vivo, inhibition of disease severity reached 87% for Gly + 2,4‐D and 42% for Gly. A synergistic effect was observed with the commercial Gly + 2,4‐D mixture. Application of 2,4‐D alone in the in vivo assays did not reduce or increase disease severity. Gly and Gly + 2,4‐D act residually in inhibiting the disease. Growing E3 soybeans may combine weed and caterpillar management benefits with ASR inhibition.CONCLUSIONApplication of Gly and Gly + 2,4‐D herbicides in resistant E3 soybean shows inhibitory activity for ASR. © 2023 Society of Chemical Industry.

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Weeds, Herbicides and Plant Disease Management

Cited by 17 publications

References 350 publications

Effects of post-emergence weedicides on yield, polyphenolic acids, flavonoids and antioxidant potential of artichoke leaves

Effects of post-emergence weedicides on yield, polyphenolic acids, flavonoids and antioxidant potential of artichoke leaves

Establishment of an Efficient Sugarcane Transformation System via Herbicide-Resistant CP4-EPSPS Gene Selection

Herbicides reduce the severity and sporulation of Phakopsora pachyrhizi in soybean with triple herbicide resistance

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