Pre- and post-inoculation water stress affects Sphaeropsis sapinea canker length in Pinus halepensis seedlings. (Articolo in rivista)

Type
Label
  • Pre- and post-inoculation water stress affects Sphaeropsis sapinea canker length in Pinus halepensis seedlings. (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Alternative label
  • Paoletti E., Danti R., Strati S. (2001)
    Pre- and post-inoculation water stress affects Sphaeropsis sapinea canker length in Pinus halepensis seedlings.
    in Forest pathology (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paoletti E., Danti R., Strati S. (literal)
Pagina inizio
  • 209 (literal)
Pagina fine
  • 218 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 31 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per la Protezione delle Piante, CNR, Sez. di Firenze, Via Madonna del Piano 10, I-50019 Firenze, Italy (literal)
Titolo
  • Pre- and post-inoculation water stress affects Sphaeropsis sapinea canker length in Pinus halepensis seedlings. (literal)
Abstract
  • In order to assess the influence of water stress on the development of Sphaeropsis sapinea cankers in Pinus halepensis, the stems of 4- to 5-year-old potted seedlings were artificially inoculated with the fungus before and after being kept at controlled water regimes from April 1997 to March 1998. In the pre-water-stress inoculation experiment, the canker length, measured 5 months after inoculation (September 1997), was greater in seedlings predisposed to extreme water deficit (midday needle water potential between -4.5 and -5.5MPa). In the post-water-stress inoculation experiment, the fungus was inoculated in April 1998, after irrigation had enabled the seedlings to resume normal needle water potential. In this case also, at 5 months after inoculation, longer cankers were visible in seedlings that had been subjected to extreme water deficit. These findings suggest that the occurrence of marked water stress, although apparently tolerated by Aleppo pine, can enhance the development of S. sapinea cankers in this species, regardless of whether the stress occurs before or after infection by the fungus. (literal)
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