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dc.contributorMaalouf, Fouaden_US
dc.contributorPatil, Somanagoudaen_US
dc.contributorBalech, Rinden_US
dc.contributorNacouzi, Dianaen_US
dc.contributorRubiales, Diegoen_US
dc.contributorAgrawal, Shiv Kumaren_US
dc.creatorAbou-Khater, Lynnen_US
dc.identifier.citationLynn Abou-Khater, Fouad Maalouf, Somanagouda Patil, Rind Balech, Diana Nacouzi, Diego Rubiales, Shiv Kumar Agrawal. (1/8/2021). Identification of tolerance to metribuzin and imazethapyr herbicides in faba bean. Crop Science, 61 (4), pp. 2593-2611.en_US
dc.description.abstractWeeds cause serious constraint to faba bean (Vicia faba L.) productivity. Broad weed control is hampered by the availability of postemergence herbicides to control them, as the current faba bean cultivars are highly susceptible to them. Therefore, the deployment of postemergence herbicide tolerance is desirable in faba bean. To address this, 130 accessions were screened for their response in mature plants under field conditions to the recommended dosage of two herbicides, metribuzin at 250 g a.i. ha−1 and imazethapyr at 75 g a.i. ha−1 at Marchouch and Terbol stations. The recorded herbicide damage score (HDS) varied from 1 (no visual damage) to 5 (full damage with death of more than 50% of plants) at both locations. Low but highly sig nificant (p < .01) and positive correlation (+0.26) was obtained between the recorded HDS at both locations. Both herbicides significantly delayed flowering and matu rity time occurrence, reduced plant height and grain yield, and increased number of branches. Reduction index (RI) correlated positively with HDS score at Terbol station in different seasons and at Marchouch in 2016–2017 seasons. Eleven tolerant acces sions were identified and further evaluated to 1×, 1.5×, and 2× of recommended dose of both herbicides. The results indicated that the harmful effect of herbicides on grain yield reduction intensified from 13.4 to 27.2% and from −7.6 to 1.8% as the dose of metribuzin and imazethapyr increased respectively from 250 to 500 g a.i. ha−1 and from 75 to 150 g a.i. ha−1. Tolerance to metribuzin and imazethapyr in eight faba bean accessions was confirmed with no significant reduction in grain yielden_US
dc.publisherCrop Science Society of Americaen_US
dc.sourceCrop Science;61,(2021) Pagination 2593-2611en_US
dc.subjectfaba beanen_US
dc.subjectimazethapyr herbicidesen_US
dc.titleIdentification of tolerance to metribuzin and imazethapyr herbicides in faba beanen_US
dc.typeJournal Articleen_US
cg.creator.idMaalouf, Fouad: 0000-0002-7642-7102en_US
cg.creator.idAgrawal, Shiv Kumar: 0000-0001-8407-3562en_US
cg.subject.agrovocFaba beanen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerThe Spanish National Research Centre, The Institute of Sustainable Agriculture - CSIC - IASen_US
cg.contributor.centerLebanese University, Faculty of Agricultural Sciences - UL - FoASen_US
cg.contributor.crpCGIAR Research Program on Grain Legumes and Dryland Cereals - GLDCen_US
cg.contributor.funderGlobal Crop Diversity Trust - GCDTen_US
cg.contributor.projectTrait discovery and deployment through mainstreaming the wild gene pool in barley and grass pea breeding programs to adapt to climate changeen_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.isijournalISI Journalen_US
dc.identifier.statusOpen accessen_US
cg.journalCrop Scienceen_US

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