MECHANISM OF ALUMINUM TOXICITY AVOIDANCE IN TROPICAL RICE (Oryza sativa), MAIZE (Zea mays), AND SOYBEAN (Glycine max)

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dc.contributoren-US
dc.creatorNursyamsi, D.; Indonesian Center for Soil and Agroclimate Research and Development
dc.creatorOsaki, M.; Laboratory of Plant Nutrition, Hokkaido University
dc.creatorTadano, T.; Laboratory of Plant Nutrition, Hokkaido University
dc.date2016-10-25
dc.date.accessioned2018-05-02T01:18:16Z
dc.date.available2018-05-02T01:18:16Z
dc.date.issued2016-10-25
dc.descriptionPlanting Al tolerant crops is an economically justifiable approach in crop production on acid soils. Experiments were conducted to study the mechanisms of Al tolerance among species and varieties of tropical rice, maize, and soybean with previously known levels of Al tolerance. These varieties were hydroponically cultured in 0, 5, 10, and 30 mg l-1 Al with complete nutrient solution at pH 4. The results show that root/shoot ratio of dry weight at 10 mg l-1 Al treatment was an important parameter to indicate differential Al tolerance in maize. Oxalic acid exudation from roots cannot always explain the Al tolerance. Total organic acid concentration in roots at 10 mg l-1 Al treatment indicated a difference of Al tolerance in soybean and lowland rice. Aluminum translocation from roots to shoots was lower in  tolerant varieties than in sensitive varieties of soybean. Increased Al concentration in shoots with increased Al level in the solution was larger in soybean and maize than in lowland or upland rice. Among varieties of  soybean, the Al concentration in shoots increased drastically in Wilis (Al-sensitive variety) with increase Al level, while in Kitamusume (Al-tolerant variety) it did not.en-US
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dc.identifierhttp://ejurnal.litbang.pertanian.go.id/index.php/ijas/article/view/648
dc.identifier10.21082/ijas.v3n1.2002.p12-24
dc.identifier.urihttps://repository.pertanian.go.id/handle/123456789/114
dc.languageeng
dc.publisherIndonesian Agency for Agricultural Research and Developmenten-US
dc.relationhttp://ejurnal.litbang.pertanian.go.id/index.php/ijas/article/view/648/430
dc.source2354-8509
dc.source1411-982X
dc.sourceIndonesian Journal of Agricultural Science; Vol 3, No 1 (2002): April 2002; 12-24en-US
dc.titleMECHANISM OF ALUMINUM TOXICITY AVOIDANCE IN TROPICAL RICE (Oryza sativa), MAIZE (Zea mays), AND SOYBEAN (Glycine max)en-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typePeer-reviewed Articleen-US
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