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The interactions of seed vigor with herbicides were studied with respect to seedling emergence, growth, and fruit yield of processing tomatoes (Lycopersicon esculentum Mill. cv. UC204C). Seed vigor (speed of germination) was enhanced by priming in an aerated solution of 0.12 m K2HP O4 plus 0.15 m KN O3 at 20C for 5 days followed by drying in forced air at 30C. The vigor of a second subsample of the same seed lot was reduced by controlled deterioration at [ver mas...]
dc.contributor.authorArgerich, Cosme Alberto
dc.contributor.authorBradford, Kent J.
dc.contributor.authorAshton, Floyd M.
dc.date.accessioned2020-04-30T13:59:18Z
dc.date.available2020-04-30T13:59:18Z
dc.date.issued1990-03
dc.identifier.issn0018-5345
dc.identifier.issn2327-9834
dc.identifier.otherhttps://doi.org/10.21273/HORTSCI.25.3.288
dc.identifier.urihttps://journals.ashs.org/hortsci/view/journals/hortsci/25/3/article-p288.xml?rskey=whQMZu
dc.identifier.urihttp://hdl.handle.net/20.500.12123/7178
dc.description.abstractThe interactions of seed vigor with herbicides were studied with respect to seedling emergence, growth, and fruit yield of processing tomatoes (Lycopersicon esculentum Mill. cv. UC204C). Seed vigor (speed of germination) was enhanced by priming in an aerated solution of 0.12 m K2HP O4 plus 0.15 m KN O3 at 20C for 5 days followed by drying in forced air at 30C. The vigor of a second subsample of the same seed lot was reduced by controlled deterioration at 13% water content (dry-weight basis) for 6 days at 50C (aged seeds). Primed, aged, and untreated seeds were tested for their sensitivity to napropamide and metribuzin herbicides in greenhouse and field studies. A seed vigor × herbicide interaction was detected only under greenhouse conditions, where aged seeds were more sensitive than primed or untreated seeds to metribuzin. In April and May field plantings, seed vigor influenced the rate and percentage of final emergence and the earliness of fruit maturity, but had no effect on relative growth rate or total vegetative or reproductive yield. Napropamide at 4.5 and 9 kg·ha-1 and metribuzin at 0.4 and 0.8 kg·ha-1 had no effect on the rate or percentage of seedling emergence, relative growth rate, or total fruit yield. Metribuzin increased the mortality of seedlings at either application rate, and at 0.8 kg·ha-1 delayed early growth and fruit maturity in the April planting. Napropamide treatments did not differ from the water control for all characteristics and environments studied. Chemical names used: 4-amino-6-tert-butyl-3(methylthio)-1,2,4-triazin-5(4H)-one (metribuzin); 2-(α-napthoxy)-N,N-diethyl propionamide (napropamide).eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherAmerican Society for Horticultural Sciencees_AR
dc.rightsinfo:eu-repo/semantics/openAccesses_AR
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/
dc.sourceHortScience 25 (3) : 288–291 (March 1990)es_AR
dc.subjectTomatees_AR
dc.subjectTomatoeseng
dc.subjectVigor de la Semillaes_AR
dc.subjectSeed Vigoureng
dc.subjectHerbicidases_AR
dc.subjectHerbicideseng
dc.subjectCrecimientoes_AR
dc.subjectGrowtheng
dc.subjectRendimientoes_AR
dc.subjectYieldseng
dc.titleInfluence of Seed Vigor and Preplant Herbicides on Emergence, Growth, and Yield of Tomatoes_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.description.origenEEA La Consultaes_AR
dc.description.filFil: Argerich, Cosme Alberto. University of California, Davis; Estados Unidos. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentinaes_AR
dc.description.filFil: Bradford, Kent J. University of California, Davis; Estados Unidoses_AR
dc.description.filFil: Ashton, Floyd M. University of California, Davis; Estados Unidoses_AR
dc.subtypecientifico


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