Flooding depths and burial effects on seedling emergence of five California weedy rice (Oryza sativa spontanea) accessions

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dc.authoridİnci, Deniz/0000-0002-7383-559X
dc.authoridMesgaran, Mohsen/0000-0002-0841-6188
dc.authoridBrim-DeForest, Whitney/0000-0003-0547-4777
dc.authoridGalvin, Liberty/0000-0002-1862-6998
dc.authorwosidİnci, Deniz/ABG-8584-2021
dc.contributor.authorGalvin, Liberty B.
dc.contributor.authorİnci, Deniz
dc.contributor.authorMesgaran, Mohsen
dc.contributor.authorBrim-DeForest, Whitney
dc.contributor.authorAl-Khatib, Kassim
dc.date.accessioned2023-07-26T11:53:46Z
dc.date.available2023-07-26T11:53:46Z
dc.date.issued2022
dc.departmentDÜ, Ziraat Fakültesi, Bitki Koruma Bölümüen_US
dc.description.abstractWeedy rice (Oryza sativa f. spontanea Roshev.) has recently become a significant botanical pest in California rice (Oryza sativa L.) production systems. The conspecificity of this pest with cultivated rice negates the use of selective herbicides, rendering the development of nonchemical methods a necessary component of creating management strategies for this weed. Experiments were conducted to determine the emergence and early growth responses of O. sativa spontanea to flooding soil and burial conditions. Treatment combinations of four flooding depths (0, 5, 10, and 15 cm) and four burial depths (1.3, 2.5, 5, and 10 cm) were applied to test the emergence of five O. sativa spontanea accessions as well as 'M-206', a commonly used rice cultivar in California, for comparison. Results revealed that burial depth had a significant effect on seedling emergence. A 43% to 91% decrease in emergence between seedlings buried at 1.3 and 2.5 cm depending on the flooding depth and accession and an absence of emergence from seedlings buried at or below 5 cm were observed. Flooding depth did not affect emergence, but there was a significant interaction between burial and flooding treatments. There was no significant difference between total O. sativa spontanea emergence from the soil and water surfaces regardless of burial or flooding depths, implying that once the various accessions have emerged from the soil they will also emerge from the floodwater. Most accessions had similar total emergence compared with M-206 cultivated rice but produced more dry weight than M-206 when planted at 1.3 cm in the soil. The results of this experiment can be used to inform stakeholders of the flooding conditions necessary as well as soil burial depths that will promote or inhibit the emergence of California O. sativa spontanea accessions from the weed seedbank.en_US
dc.description.sponsorshipCalifornia Rice Research Board; Melvin D. Androus Endowmenten_US
dc.description.sponsorshipThis research was supported by the California Rice Research Board and the Melvin D. Androus Endowment. The authors acknowledge John Madsen for technical support. No conflicts of interest are declared.en_US
dc.identifier.doi10.1017/wsc.2021.82
dc.identifier.endpage219en_US
dc.identifier.issn0043-1745
dc.identifier.issn1550-2759
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85123857985en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage213en_US
dc.identifier.urihttps://doi.org/10.1017/wsc.2021.82
dc.identifier.urihttps://hdl.handle.net/20.500.12684/12592
dc.identifier.volume70en_US
dc.identifier.wosWOS:000750640400001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorİnci, Deniz
dc.language.isoenen_US
dc.publisherCambridge Univ Pressen_US
dc.relation.ispartofWeed Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz$2023V1Guncelleme$en_US
dc.subjectConspecific; Weedy (Red) Riceen_US
dc.subjectRed Rice; Competitive Interactions; Tillage; Seedsen_US
dc.titleFlooding depths and burial effects on seedling emergence of five California weedy rice (Oryza sativa spontanea) accessionsen_US
dc.typeArticleen_US

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