Competitive ability of imidazolinone-tolerant rice (cv. Luna) with different weedy rice (Oryza sativa f. spontanea) biotypes

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dc.contributor.authorPala, Firat
dc.contributor.authorMennan, Husrev
dc.contributor.authorJabran, Khawar
dc.date.accessioned2024-12-24T19:24:58Z
dc.date.available2024-12-24T19:24:58Z
dc.date.issued2023
dc.departmentSiirt Üniversitesi
dc.description.abstractWeedy rice (Oryza sativa f. spontanea) is becoming a significant concern in rice (O. sativa L.) cultivation in Turkey, despite its recent introduction. These studies determined the competitive ability of different weedy rice biotypes and yield responses of imidazolinone (IMI)-tolerant variety Luna when grown in competition with variable population densities of weedy rice. The field experiments were conducted at a farmer's field, Trachea Region Edirne Turkey in 2017 and 2018. A split plot design was used in which three different straw hull weedy rice biotypes (i) awnless (WRB-1), (ii) short-awned (WRB-2), and (iii) long-awned (WRB-3) were kept in the main-plots and three weedy rice densities (i) being free of weeds, (ii) being low in weed density (< 10 plants m-2), and (iii) having a high weed density (> 30 plants m-2) were in the subplots. Weedy rice biotypes significantly decreased the biomass, the tiller production, the leaf area, the plant height, and grain yield of Luna rice variety; however, the biotypes differed in their effect on Luna rice. The weedy rice genotype WRB-1 decreased the growth parameters of rice to the largest extent. All weedy rice biotypes (both at low and high densities of weedy rice) decreased the grain yield of Luna rice while the weed-free plots produced the highest grain yield. WRB-1 exposed to environments with a high density of weeds could decrease rice yield by 17.8%. In conclusion, weedy rice biotypes varied for their competitive ability against the cultivated rice and WRB-1 was the most competitive biotype.
dc.identifier.doi10.1007/s12600-023-01108-4
dc.identifier.endpage1172
dc.identifier.issn0334-2123
dc.identifier.issn1876-7184
dc.identifier.issue5
dc.identifier.scopus2-s2.0-85171985400
dc.identifier.scopusqualityQ2
dc.identifier.startpage1161
dc.identifier.urihttps://doi.org/10.1007/s12600-023-01108-4
dc.identifier.urihttps://hdl.handle.net/20.500.12604/6217
dc.identifier.volume51
dc.identifier.wosWOS:001075043300001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofPhytoparasitica
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241222
dc.subjectWeeds
dc.subjectPaddy
dc.subjectIMI-tolerant
dc.subjectCrop-weed competition
dc.titleCompetitive ability of imidazolinone-tolerant rice (cv. Luna) with different weedy rice (Oryza sativa f. spontanea) biotypes
dc.typeArticle

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