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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
S. Harran
IPB
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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FISIOLOGI DAYA ADAPTASI KEDELAI (Glycine max (L.) Merr.) TERHADAP CEKAMAN pH RENDAH DENGAN Al TINGGI Supijatno, ,; Sopandie, D.; Jusuf, M.; Harran, S.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 23 No. 2 (1995): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1144.643 KB) | DOI: 10.24831/jai.v23i2.1628

Abstract

Two AI-tolerant genotypes (KB 44001 and Genjah Jepang) and two AI-sensitive genotypes of soybean (Kedelai Lumut and KB 46015) were subjected to Al concentration (1.50 mM Al with pH 4.0) in hydroculture for 3 weeks; the growth and their physiological responses were identified by measuring the changes of pH media, NO3ˉ /NH4+ uptake, ion absorption and organic acid content in the tissues. The result revealed that Al-tolerant genotypes soybean show a much better growth than the sensitive genotypes. Moreover, the tolerant genotypes showed the different responses to Al stress; they changed the pH media more significantly, accumulated less Al in the roots and accumulated more oxalate acid than the sensitive genotypes. Both the tolerant and sensitive genotypes had similar pattern n in N03ˉ /NH4+ uptake and other cation uptake. The results suggested that tolerance of soybean genotypes to Al toxicity is associated with their ability in the exclusion AI.
Co-Authors D. Sopandie M. Jusuf Supijatno