Hormetic effect of glyphosate persists during the entire growth period and increases sugarcane yield

BACKGROUND Stimulation of plant growth by low doses of a toxic compound is defined as a hormetic effect. Exposure of plants to low doses of glyphosate can cause stimulatory effects on growth or other variables. Sugarcane is the major biofuel and sugar‐production crop cultivated in Brazil, but its ex...

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Veröffentlicht in:Pest management science 2020-07, Vol.76 (7), p.2388-2394
Hauptverfasser: Pincelli‐Souza, Renata P, Bortolheiro, Fernanda PAP, Carbonari, Caio A, Velini, Edivaldo D, Silva, Marcelo de A
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container_issue 7
container_start_page 2388
container_title Pest management science
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creator Pincelli‐Souza, Renata P
Bortolheiro, Fernanda PAP
Carbonari, Caio A
Velini, Edivaldo D
Silva, Marcelo de A
description BACKGROUND Stimulation of plant growth by low doses of a toxic compound is defined as a hormetic effect. Exposure of plants to low doses of glyphosate can cause stimulatory effects on growth or other variables. Sugarcane is the major biofuel and sugar‐production crop cultivated in Brazil, but its expansion to new areas is limited; therefore, there is a demand for new technologies to improve sugarcane production per unit area. The use of pesticides to stimulate growth through the hormetic effect might be a suitable strategy to increase sugarcane yields. The purpose of this research was to investigate the effect of a low dose of glyphosate on metabolic compound accumulation, leaf phosphorus (P) concentration, and morphological variables across a one‐year sugarcane cycle, as well as to determine whether the glyphosate effect was sustained and effective in improving the yield and technological quality of the sugarcane at harvest. RESULTS The application of a low dose of glyphosate led to higher concentrations of shikimic acid and quinic acid, higher leaf P concentrations, and improved plant growth, yield, and technological quality of the sugarcane, by increasing the Brix% juice, pol% cane, total recoverable sugar, tons of culms per hectare, and tons of pol per hectare, relative to the results for an untreated control. CONCLUSIONS The increased growth stimuli, observed through several variables, promoted an improvement in sugarcane yield. Therefore, the application of a low dose of glyphosate to sugarcane is a promising practice for crop management. © 2020 Society of Chemical Industry Experimental plot at 105 DAP during the sugarcane cycle of plant‐cane of cultivar SP80‐1842 after treatment non‐application of glyphosate (– – →) and application of 1.8 g AE ha‐1 glyphosate (←).
doi_str_mv 10.1002/ps.5775
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Exposure of plants to low doses of glyphosate can cause stimulatory effects on growth or other variables. Sugarcane is the major biofuel and sugar‐production crop cultivated in Brazil, but its expansion to new areas is limited; therefore, there is a demand for new technologies to improve sugarcane production per unit area. The use of pesticides to stimulate growth through the hormetic effect might be a suitable strategy to increase sugarcane yields. The purpose of this research was to investigate the effect of a low dose of glyphosate on metabolic compound accumulation, leaf phosphorus (P) concentration, and morphological variables across a one‐year sugarcane cycle, as well as to determine whether the glyphosate effect was sustained and effective in improving the yield and technological quality of the sugarcane at harvest. RESULTS The application of a low dose of glyphosate led to higher concentrations of shikimic acid and quinic acid, higher leaf P concentrations, and improved plant growth, yield, and technological quality of the sugarcane, by increasing the Brix% juice, pol% cane, total recoverable sugar, tons of culms per hectare, and tons of pol per hectare, relative to the results for an untreated control. CONCLUSIONS The increased growth stimuli, observed through several variables, promoted an improvement in sugarcane yield. Therefore, the application of a low dose of glyphosate to sugarcane is a promising practice for crop management. © 2020 Society of Chemical Industry Experimental plot at 105 DAP during the sugarcane cycle of plant‐cane of cultivar SP80‐1842 after treatment non‐application of glyphosate (– – →) and application of 1.8 g AE ha‐1 glyphosate (←).</description><identifier>ISSN: 1526-498X</identifier><identifier>EISSN: 1526-4998</identifier><identifier>DOI: 10.1002/ps.5775</identifier><identifier>PMID: 32027082</identifier><language>eng</language><publisher>Chichester, UK: John Wiley &amp; Sons, Ltd</publisher><subject>Agricultural production ; Biofuels ; Brazil ; Crop management ; Crop production ; Crop yield ; Food processing industry ; Glycine - analogs &amp; derivatives ; Glyphosate ; Hormesis ; isopropylamine salt of glyphosate ; Leaves ; low dose ; New technology ; Pesticides ; Phosphorus ; Phosphorus cycle ; Plant growth ; Quinic acid ; Saccharum ; Saccharum spp ; Shikimic acid ; Sugarcane</subject><ispartof>Pest management science, 2020-07, Vol.76 (7), p.2388-2394</ispartof><rights>2020 Society of Chemical Industry</rights><rights>2020 Society of Chemical Industry.</rights><rights>Copyright © 2020 Society of Chemical Industry</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3455-ef72366f239cf3395dc10f32d8da2413b472d00b8065a33c49fc1fac689b83a83</citedby><cites>FETCH-LOGICAL-c3455-ef72366f239cf3395dc10f32d8da2413b472d00b8065a33c49fc1fac689b83a83</cites><orcidid>0000-0002-0383-2529 ; 0000-0003-0431-5942 ; 0000-0002-9104-5583 ; 0000-0001-5359-9676 ; 0000-0002-0490-6526</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fps.5775$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fps.5775$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32027082$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pincelli‐Souza, Renata P</creatorcontrib><creatorcontrib>Bortolheiro, Fernanda PAP</creatorcontrib><creatorcontrib>Carbonari, Caio A</creatorcontrib><creatorcontrib>Velini, Edivaldo D</creatorcontrib><creatorcontrib>Silva, Marcelo de A</creatorcontrib><title>Hormetic effect of glyphosate persists during the entire growth period and increases sugarcane yield</title><title>Pest management science</title><addtitle>Pest Manag Sci</addtitle><description>BACKGROUND Stimulation of plant growth by low doses of a toxic compound is defined as a hormetic effect. Exposure of plants to low doses of glyphosate can cause stimulatory effects on growth or other variables. Sugarcane is the major biofuel and sugar‐production crop cultivated in Brazil, but its expansion to new areas is limited; therefore, there is a demand for new technologies to improve sugarcane production per unit area. The use of pesticides to stimulate growth through the hormetic effect might be a suitable strategy to increase sugarcane yields. The purpose of this research was to investigate the effect of a low dose of glyphosate on metabolic compound accumulation, leaf phosphorus (P) concentration, and morphological variables across a one‐year sugarcane cycle, as well as to determine whether the glyphosate effect was sustained and effective in improving the yield and technological quality of the sugarcane at harvest. 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Exposure of plants to low doses of glyphosate can cause stimulatory effects on growth or other variables. Sugarcane is the major biofuel and sugar‐production crop cultivated in Brazil, but its expansion to new areas is limited; therefore, there is a demand for new technologies to improve sugarcane production per unit area. The use of pesticides to stimulate growth through the hormetic effect might be a suitable strategy to increase sugarcane yields. The purpose of this research was to investigate the effect of a low dose of glyphosate on metabolic compound accumulation, leaf phosphorus (P) concentration, and morphological variables across a one‐year sugarcane cycle, as well as to determine whether the glyphosate effect was sustained and effective in improving the yield and technological quality of the sugarcane at harvest. RESULTS The application of a low dose of glyphosate led to higher concentrations of shikimic acid and quinic acid, higher leaf P concentrations, and improved plant growth, yield, and technological quality of the sugarcane, by increasing the Brix% juice, pol% cane, total recoverable sugar, tons of culms per hectare, and tons of pol per hectare, relative to the results for an untreated control. CONCLUSIONS The increased growth stimuli, observed through several variables, promoted an improvement in sugarcane yield. 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subjects Agricultural production
Biofuels
Brazil
Crop management
Crop production
Crop yield
Food processing industry
Glycine - analogs & derivatives
Glyphosate
Hormesis
isopropylamine salt of glyphosate
Leaves
low dose
New technology
Pesticides
Phosphorus
Phosphorus cycle
Plant growth
Quinic acid
Saccharum
Saccharum spp
Shikimic acid
Sugarcane
title Hormetic effect of glyphosate persists during the entire growth period and increases sugarcane yield
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