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Formation of aerenchyma in roots of Zea mays [maize] in aerated solutions, and its relation to nutrient supply [cavity development, nitrogen]

By: Contributor(s): Material type: ArticleArticleLanguage: En Publication details: 1980ISSN:
  • 0031-9317
Subject(s): DDC classification:
  • 81-606955
 In: Physiologia Plantarum v. 49, no. 3, p. 265-27081-606955Summary: The formation of lysigenous cavities (aerenchyma) in the root cortex of maize, Zea mays L. cv. Capella, under well-aerated conditions has been studied in relation to the composition of the nutrient solutions. Nitrogen, either supplied as nitrate or as ammonium, reduced the cavity formation by the roots. This reduction was most apparent at nitrate concentrations above 2 mM. Cavities were increasingly formed when the nitrate concentration was decreased and they reached their largest dimensions in roots growing in water. Thus, inadequate availability of nitrogen leads, under aerated conditions, to deterioration of cortex cells and cavity
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Item type Current library Collection Call number Copy number Status Date due Barcode Item holds
Article CIMMYT Knowledge Center: John Woolston Library AGRIS Collection 81-606955 (Browse shelf(Opens below)) 1 Available 81-606955
Total holds: 0

3 tables; 31 ref. Summary (En)

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0031-9317

The formation of lysigenous cavities (aerenchyma) in the root cortex of maize, Zea mays L. cv. Capella, under well-aerated conditions has been studied in relation to the composition of the nutrient solutions. Nitrogen, either supplied as nitrate or as ammonium, reduced the cavity formation by the roots. This reduction was most apparent at nitrate concentrations above 2 mM. Cavities were increasingly formed when the nitrate concentration was decreased and they reached their largest dimensions in roots growing in water. Thus, inadequate availability of nitrogen leads, under aerated conditions, to deterioration of cortex cells and cavity

English

COMOD|John Wiley

AGRIS Collection


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