Abstract
In response to concerns about aluminum and HCl exposure associated with rocket motor testing and launches, survival and growth of full-sib families of loblolly pine (Pinus taeda L.) and slash pine (Pinus elliottii Engelm.) were evaluated in a nursery bed experiment. Each species was exposed to a single soil application of aluminum chloride (0.33 M AlCl(3), pH 2.5), hydrochloric acid (0.39 M HCl, pH 0.6) or water, with or without mycorrhizal inoculation with Pisolithus tinctorius (Coker and Couch). After 20 weeks without inoculation, survival in AlCl(3) and HCl treatments averaged 52% for loblolly pine and 72% for slash pine. Inoculation improved survival of loblolly pine, receiving HCl from 49 to 73%, and of those receiving AlCl3, from 55 to 90%. Inoculation also resulted in improved survival and growth of individual families in AlCl(3), but not in HCl treatments. Results illustrate the relative resistance of both pine species to the acute treatments supplied, the improvement in resistance associated with mycorrhizal inoculation and the importance of field testing, following hydroponic screening, to verify the resistance to soil-supplied stresses.
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Claims 7
Claim · model-written summary
After 20 weeks without inoculation, loblolly pine survival under AlCl(3) and HCl averaged 52%.
- Taxon
- loblolly pine
Pinus taedae0 - Treatment
- AlCl(3) and HCl treatmentse0
- Outcome
- survivale0
- Value
- 52%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 20 weeks without inoculation, survival in AlCl(3) and HCl treatments averaged 52% for loblolly pine and 72% for slash pine.”
Claim · model-written summary
After 20 weeks without inoculation, slash pine survival under AlCl(3) and HCl averaged 72%.
- Taxon
- slash pine
.jpg?width=60)
Pinus elliottiie0 - Treatment
- AlCl(3) and HCl treatmentse0
- Outcome
- survivale0
- Value
- 72%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“After 20 weeks without inoculation, survival in AlCl(3) and HCl treatments averaged 52% for loblolly pine and 72% for slash pine.”
Claim · model-written summary
Mycorrhizal inoculation improved loblolly pine survival under HCl from 49 to 73%.
- Taxon
- loblolly pinePinus taedae0
- Treatment
- Inoculatione0
- Interactor
- Pisolithus tinctorius
Pisolithus tinctoriuse1symbiont - Outcome
- survivale0
- Direction
- improvede0
- Value
- 49 to 73%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation improved survival of loblolly pine, receiving HCl from 49 to 73%”
e1“Pisolithus tinctorius (Coker and Couch)”
Claim · model-written summary
Mycorrhizal inoculation improved loblolly pine survival under AlCl3 from 55 to 90%.
- Taxon
- loblolly pinePinus taedae0
- Treatment
- Inoculatione0
- Interactor
- Pisolithus tinctoriusPisolithus tinctoriuse1symbiont
- Outcome
- survivale0
- Direction
- improvede0
- Value
- 55 to 90%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation improved survival of loblolly pine, receiving HCl from 49 to 73%, and of those receiving AlCl3, from 55 to 90%.”
e1“Pisolithus tinctorius (Coker and Couch)”
Claim · model-written summary
Inoculation improved survival and growth of individual pine families in AlCl(3).
- Treatment
- Inoculatione0
- Interactor
- Pisolithus tinctoriusPisolithus tinctoriuse1symbiont
- Outcome
- survival and growth of individual familiese0
- Direction
- improvede0
PinusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation also resulted in improved survival and growth of individual families in AlCl(3), but not in HCl treatments.”
t0“Loblolly pine and slash pine”
e1“Pisolithus tinctorius (Coker and Couch)”
Claim · model-written summary
Inoculation did not improve survival and growth of individual pine families under HCl.
- Treatment
- Inoculatione0
- Interactor
- Pisolithus tinctoriusPisolithus tinctoriuse1symbiont
- Outcome
- survival and growth of individual familiese0
- Direction
- but not in HCl treatmentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation also resulted in improved survival and growth of individual families in AlCl(3), but not in HCl treatments.”
t0“Loblolly pine and slash pine”
e1“Pisolithus tinctorius (Coker and Couch)”
Claim · model-written summary
The authors recommend field testing after hydroponic screening to verify resistance to soil stress.
- Outcome
- field testing, following hydroponic screeninge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the importance of field testing, following hydroponic screening, to verify the resistance to soil-supplied stresses.”
t0“Loblolly pine and slash pine”
The same questions in other papers
inoculation · Pisolithus tinctorius · PinusPositive and negative results
1 in the opposite direction
- negative
inoculation · Pisolithus tinctorius · Pinus taeda (loblolly pine)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →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.