Section 5
Chapter 4,333

Studies on the mechanism of aluminum tolerance in pea (Pisum sativum L.) using aluminum-tolerant cultivar 'Alaska' and aluminum-sensitive cultivar 'Hyogo'

Kobayashi, Y.; Yamamoto, Y.; Matsumoto, H.

Soil Science and Plant Nutrition 50(2): 197-204


ISSN/ISBN: 0038-0768
DOI: 10.1080/00380768.2004.10408468
Accession: 004332135

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The mechanism of aluminium (Al) tolerance was investigated in an Al-tolerant cultivar (Alaska) and an Al-sensitive cultivar (Hyogo) of pea (Pisum sativum L.) seedlings. Al sensitivity was evaluated as the degree of root elongation inhibition in a calcium solution. Fifty percent inhibition of the elongation was observed after 24-h treatment with 5 micro M Al in Alaska and with less than 2.5 micro M Al in Hyogo. At 10 micro M Al, both cultivars exhibited more than 70% inhibition.

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