Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda
Abstract BACKGROUND:SpinosadisrecommendedforcontrolofSpodopterafrugiperda(J.E.Smith)larvae;itsapplicationwithphagostimulants may reduce the quantity of active ingredient required for effective pest control. Spinosad (Tracer®) was formulated inmaizeflourmatrixgranulesandthreefieldtestscompared10–100ppm...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
2017
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| Online Access: | http://eprints.uanl.mx/16641/1/236.pdf |
| _version_ | 1838550997260042240 |
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| author | Tamez Guerra, Patricia Tamayo Mejía, Fernando Gómez Flores, Ricardo Alberto Rodríguez Padilla, Cristina Damas, Gabriela Tamez Guerra, Reyes Silvestre Ek Ramos, María Julissa Williams, Trevor |
| author_facet | Tamez Guerra, Patricia Tamayo Mejía, Fernando Gómez Flores, Ricardo Alberto Rodríguez Padilla, Cristina Damas, Gabriela Tamez Guerra, Reyes Silvestre Ek Ramos, María Julissa Williams, Trevor |
| author_sort | Tamez Guerra, Patricia |
| collection | Repositorio Institucional |
| description | Abstract
BACKGROUND:SpinosadisrecommendedforcontrolofSpodopterafrugiperda(J.E.Smith)larvae;itsapplicationwithphagostimulants may reduce the quantity of active ingredient required for effective pest control. Spinosad (Tracer®) was formulated inmaizeflourmatrixgranulesandthreefieldtestscompared10–100ppma.i.granules(equivalentto0.24–2.4ga.i.ha–1)with Tracerasanaqueousspray(200ppma.i.;60ga.i.ha–1),andtherecommendedapplicationratesofBacillusthuringiensis,achemicalandanuntreatedcontrolswereperformed.
RESULTS:The100ppmspinosadgranulesresultedinsimilarS.frugiperdamortalitycomparedwiththechemicaltreatmentsin allthreefieldtrials,andresultedinasignificantlyhighermaizegrainyieldcomparedwithunformulatedandcontroltreatments (4141vs.2857and2407kgha–1,respectively)thatwassimilartothechemicaltreatment(3778kgha–1).Bioassaysofgranules stored at room and cold temperatures showed that after 5years, ∼ 70% of the original activity remained (OAR) of spinosad whenformulatedasgranules.Nevertheless,after9years,efficacywasreduced(26.2%and48.5%OAR)atbothroom(25∘C)and refrigeratedtemperatures(4∘C).
CONCLUSION:Spinosad,inthegranularphagostimulantformulationsevaluatedinthisstudy,hadadvantagesmeasuredashigh efficacyandlongshelflife. |
| format | Article |
| id | eprints-16641 |
| institution | UANL |
| language | English |
| publishDate | 2017 |
| record_format | eprints |
| spelling | eprints-166412025-07-10T16:55:34Z http://eprints.uanl.mx/16641/ Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda Tamez Guerra, Patricia Tamayo Mejía, Fernando Gómez Flores, Ricardo Alberto Rodríguez Padilla, Cristina Damas, Gabriela Tamez Guerra, Reyes Silvestre Ek Ramos, María Julissa Williams, Trevor Abstract BACKGROUND:SpinosadisrecommendedforcontrolofSpodopterafrugiperda(J.E.Smith)larvae;itsapplicationwithphagostimulants may reduce the quantity of active ingredient required for effective pest control. Spinosad (Tracer®) was formulated inmaizeflourmatrixgranulesandthreefieldtestscompared10–100ppma.i.granules(equivalentto0.24–2.4ga.i.ha–1)with Tracerasanaqueousspray(200ppma.i.;60ga.i.ha–1),andtherecommendedapplicationratesofBacillusthuringiensis,achemicalandanuntreatedcontrolswereperformed. RESULTS:The100ppmspinosadgranulesresultedinsimilarS.frugiperdamortalitycomparedwiththechemicaltreatmentsin allthreefieldtrials,andresultedinasignificantlyhighermaizegrainyieldcomparedwithunformulatedandcontroltreatments (4141vs.2857and2407kgha–1,respectively)thatwassimilartothechemicaltreatment(3778kgha–1).Bioassaysofgranules stored at room and cold temperatures showed that after 5years, ∼ 70% of the original activity remained (OAR) of spinosad whenformulatedasgranules.Nevertheless,after9years,efficacywasreduced(26.2%and48.5%OAR)atbothroom(25∘C)and refrigeratedtemperatures(4∘C). CONCLUSION:Spinosad,inthegranularphagostimulantformulationsevaluatedinthisstudy,hadadvantagesmeasuredashigh efficacyandlongshelflife. 2017 Article PeerReviewed text en cc_by_nc_nd http://eprints.uanl.mx/16641/1/236.pdf http://eprints.uanl.mx/16641/1.haspreviewThumbnailVersion/236.pdf Tamez Guerra, Patricia y Tamayo Mejía, Fernando y Gómez Flores, Ricardo Alberto y Rodríguez Padilla, Cristina y Damas, Gabriela y Tamez Guerra, Reyes Silvestre y Ek Ramos, María Julissa y Williams, Trevor (2017) Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda. Pest Management Science, 74 (1). pp. 100-110. ISSN 1526498X http://doi.org/10.1002/ps.4656 doi:10.1002/ps.4656 |
| spellingShingle | Tamez Guerra, Patricia Tamayo Mejía, Fernando Gómez Flores, Ricardo Alberto Rodríguez Padilla, Cristina Damas, Gabriela Tamez Guerra, Reyes Silvestre Ek Ramos, María Julissa Williams, Trevor Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda |
| thumbnail | https://rediab.uanl.mx/themes/sandal5/images/online.png |
| title | Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda |
| title_full | Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda |
| title_fullStr | Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda |
| title_full_unstemmed | Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda |
| title_short | Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda |
| title_sort | increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against spodoptera frugiperda |
| url | http://eprints.uanl.mx/16641/1/236.pdf |
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