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Natural senescence of the root cortex of spring wheat in relation to susceptibility to common root rot (Cochliobolus sativus) and growth of a free-living nitrogen-fixing bacterium

By: Contributor(s): Material type: ArticleArticleLanguage: En Publication details: 1982ISSN:
  • 1573-5036 (Revista en electrónico)
Subject(s): DDC classification:
  • 83-870379
In: Plant and Soil v. 66, no. 1, p. 13-2083-870379Summary: Natural senescence of the root cortex was assessed by nuclear staining, for cultivars and chromosome substitution lines of spring wheat known to differ in (1) susceptibility to common root rot, (2) total rhizosphere populations and (3) ability to support growth of a EL2730 free-living nitrogen-fixing bacterium. Together, 3 root rot susceptible wheat lines showed significantly more cortical senescence than did 3 resistant lines; the susceptible lines also support larger rhizosphere populations. The wheat line that supports growth of a nitrogen-fixing bacterium showed significantly less cortical death than did any other line. Substitution of chromosome
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13 ref.; Summary (En)

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0032-079X

Natural senescence of the root cortex was assessed by nuclear staining, for cultivars and chromosome substitution lines of spring wheat known to differ in (1) susceptibility to common root rot, (2) total rhizosphere populations and (3) ability to support growth of a EL2730 free-living nitrogen-fixing bacterium. Together, 3 root rot susceptible wheat lines showed significantly more cortical senescence than did 3 resistant lines; the susceptible lines also support larger rhizosphere populations. The wheat line that supports growth of a nitrogen-fixing bacterium showed significantly less cortical death than did any other line. Substitution of chromosome

English

COMOD|Springer

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