Abstract
Southern Pine Decline is a cause of premature mortality of Pinus species in the Southeastern United States. While the pathogenicity of ophiostomatoid fungi, associated with declining Pinus species, has been observed both in the laboratory and the field the driving mechanisms for success of fungal infection, as well as the bark-beetle vectors is less understood. The goal of this research is to provide insight into the role of future climatic conditions, specifically elevated tropospheric ozone and altered precipitation patterns, in the progression of Southern Pine Decline on loblolly pine (Pinus taeda L.). Two key questions were addressed: (1) will predicted concentrations of tropospheric ozone affect loblolly pine vigor and increase susceptibility to fungi associated with Southern Pine Decline?; and (2) will predicted precipitation patterns affect loblolly pine vigor and increase susceptibility to fungi associated with Southern Pine Decline? Our results indicate seedlings selected for susceptibility to root infecting ophiostomatoid fungi were more sensitive to elevated ozone than tolerant seedlings, however, neither ozone nor fluctuating moisture supply resulted in seedlings to becoming more susceptible to root infecting ophiostomatoid fungi.
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Claims 3
Claim · model-written summary
Fungus-susceptible pine seedlings were more sensitive to elevated ozone than tolerant seedlings.
- Taxon
- loblolly pine
Pinus taedat0 - Treatment
- elevated ozonee0
- Interactor
- root infecting ophiostomatoid fungie0pathogen
- Outcome
- sensitive to elevated ozonee0
- Direction
- more sensitivee0
- Comparator
- tolerant seedlingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seedlings selected for susceptibility to root infecting ophiostomatoid fungi were more sensitive to elevated ozone than tolerant seedlings”
t0“loblolly pine seedlings”
Claim · model-written summary
Elevated ozone did not increase pine seedling susceptibility to root-infecting fungi.
- Taxon
- loblolly pinePinus taedat0
- Treatment
- ozonee0
- Interactor
- root infecting ophiostomatoid fungie0pathogen
- Outcome
- susceptible to root infecting ophiostomatoid fungie0
- Direction
- neither ozone nor fluctuating moisture supply resulted in seedlings to becoming more susceptiblee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“neither ozone nor fluctuating moisture supply resulted in seedlings to becoming more susceptible to root infecting ophiostomatoid fungi”
t0“loblolly pine seedlings”
Claim · model-written summary
Fluctuating moisture supply did not increase pine seedling susceptibility to root-infecting fungi.
- Taxon
- loblolly pinePinus taedat0
- Treatment
- fluctuating moisture supplye0
- Interactor
- root infecting ophiostomatoid fungie0pathogen
- Outcome
- susceptible to root infecting ophiostomatoid fungie0
- Direction
- neither ozone nor fluctuating moisture supply resulted in seedlings to becoming more susceptiblee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“neither ozone nor fluctuating moisture supply resulted in seedlings to becoming more susceptible to root infecting ophiostomatoid fungi”
t0“loblolly pine seedlings”
The same questions in other papers
ozone · disease · Pinus taeda (loblolly pine)Results agree
1 paper in the same direction as this paper
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.