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Leakage during seed imbibition


Simon, E. W. and Raja Harun, Raja Muhammad (1972) Leakage during seed imbibition. Journal of Experimental Botany, 23 (4). pp. 1076-1085. ISSN 0022-0957; ESSN: 1460-2431

Abstract / Synopsis

When pea embryos are placed in water solutes leak from them at a ruto which declines rapidly at first and then more slowly. Embryos can be dried down over calcium chloride and will then leak as before when returned to water. Similar results were obtained with Ricinus seeds after removal of the testa. Pea embryos that have first been allowed to imbibe some water through a small part of their surface (by placing them on damp filter-paper) leak relatively slowly when subsequently immersed in water; the greater the initial imbibition the slower tho subsequent leakage. Likewise, embryos taken from peas that were harvested when succulent and tender show only show Ieakage. It is proposed that as seeds dry out in the course of dovelopment cell membranes lose their integrity. . Whon such dry seeds are allowed to imbibe water there is a short. period, Before membrane integrit.y is re-established, during which solutes can leak out of the cells.

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Additional Metadata

Item Type: Article
Divisions: Universiti Pertanian Malaysia
DOI Number:
Publisher: Oxford University Press
Keywords: Pea; Pea embryos; Seeds
Depositing User: Azhar Abdul Rahman
Date Deposited: 22 Apr 2015 10:43
Last Modified: 22 Apr 2015 10:43
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