KARAKTER ROOT RE-GROWTH SEBAGAI PARAMETER TOLERANSI ALUMINIUM PADA TANAMAN PADI

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dc.contributor.authorRoslim, Dewi Indriyani
dc.contributor.authorMiftahudin
dc.contributor.authorSuharsono, Utut
dc.contributor.authorAswidinnoor, Hajrial
dc.contributor.authorHartana, Alex
dc.date.accessioned2014-03-05T03:13:50Z
dc.date.available2014-03-05T03:13:50Z
dc.date.issued2014-03-05
dc.description.abstractAluminum (Al) is one of the major limited factors in crop production on acid soils. Aluminum tolerant plants can be selected from plant breeding program by one of the physiological parameters representing Al tolerance character, such as root re-growth capability during recovery from the Al-stress. In this study we determined the concentration and time exposure of Al stress that was able to differentiate the response of three local upland rice varieties (Grogol, Hawarabunar and Krowal) and an Al-sensitive rice variety (IR64) to Al-stress, and evaluated the effectiveness of root re-growth (RRG) characters as an Al tolerance parameter in rice. The study consisted of three experiments, which were 1) nutrient culture experiment with different Al concentration treatments in growth chamber, 2) pot experiment in greenhouse using Jasinga yellow red podzolic acid soil containing 26,66 me/100 g Al and pH 4,6 as planting media, and 3) phenotyping of F2 population using RRG character. The results showed that Al treatment at 15 ppm for 72 h was able to distinctly differentiate between Al-tolerant (Grogol and Hawarabunar) and Al-sensitive varieties (Krowal and IR64). Planting of the rice varieties on acid soils showed similar result as that of the nutrient culture. Phenotyping of F2 population using RRG character indicated the existence of RRG value variation. These variations demonstrated that RRG character can be used as an Al tolerance parameter in rice and therefore can be effectively applied to screen rice F2 population that segregate to Al tolerance character.en_US
dc.description.sponsorshipJurnal Natur Indonesiaen_US
dc.identifier.issn1410-9379
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id/xmlui/handle/123456789/5782
dc.language.isoenen_US
dc.subjectaluminum toleranceen_US
dc.subjectriceen_US
dc.subjectroot re-growthen_US
dc.subjecttolerance parameteren_US
dc.titleKARAKTER ROOT RE-GROWTH SEBAGAI PARAMETER TOLERANSI ALUMINIUM PADA TANAMAN PADIen_US
dc.typeUR-Scientific Work Lectureren_US

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