Abstract
SUMMARY The interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt) were investigated to assess genetic variability and heritability of root morphology and ectomycorrhizal traits. Seedlings from 15 open‐pollinated pine families, which were either uninoculated or inoculated with Pt and grown under controlled conditions in growth pouches, were analyzed for the following traits: number of shoot roots (SRN), root dry weight (RDW), shoot/root dry weight ratio (SRR), number of ectomycorrhizes (ECN), percentage ectomycorrhizal colonization (ECP) and development of extramatrical mycelium (EMD). There were significant increases in SRN and SRR in inoculated seedlings and significant family variation for RDW and SRR traits. A significant inoculation × family interaction was observed for SRN, but not for RDW and SRR. The individual narrow‐sense heritabilities for SRN, RDW and SRR were, respectively, 0·55, 1·00 and 0·68 (inoculated) and 0·43, 1·00 and 0·25 (uninoculated). The higher heritabilities for the ectomycorrhizal traits were 0·60, 0·81 and 0·53 for ECN, ECP and EMD, respectively. The higher heritabilities of root morphology traits for inoculated seedlings indicates that the mycorrhizal condition of plants should be an important factor in increasing root quality from genetic selection, especially on poor sites where the plants are more dependent on mycorrhizal. The relatively strong genetic control of ectomycorrhizal traits indicates a great potential for selecting individuals in tree breeding programs.
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Claims 11
Claim · model-written summary
Inoculation with Pisolithus tinctorius increased shoot root number (SRN) and shoot/root dry weight ratio (SRR) in Pinus elliottii seedlings compared with uninoculated seedlings.
- Taxon
- Pinus elliottii
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Pinus elliottiie0 - Material
- open‐pollinated pine familiese2
- Treatment
- inoculated with Pte2
- Interactor
- Pisolithus tinctorius
Pisolithus tinctoriuse0symbiont - Outcome
- SRN and SRRe1
- Direction
- increasese1
- Comparator
- uninoculatede2
- Setting
- controlled conditionse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e1“There were significant increases in SRN and SRR in inoculated seedlings”
e2“Seedlings from 15 open‐pollinated pine families, which were either uninoculated or inoculated with Pt and grown under controlled conditions in growth pouches”
Claim · model-written summary
Family variation was significant for root dry weight (RDW) and SRR in Pinus elliottii seedlings.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Outcome
- RDW and SRRe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e3“significant family variation for RDW and SRR traits”
Claim · model-written summary
A significant inoculation × family interaction was observed for SRN in Pinus elliottii seedlings.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Treatment
- inoculatione4
- Outcome
- SRNe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e4“A significant inoculation × family interaction was observed for SRN, but not for RDW and SRR”
Claim · model-written summary
No inoculation × family interaction was found for RDW and SRR in Pinus elliottii seedlings.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Treatment
- inoculatione4
- Outcome
- RDW and SRRe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e4“A significant inoculation × family interaction was observed for SRN, but not for RDW and SRR”
Claim · model-written summary
Narrow-sense heritabilities for SRN, RDW and SRR were 0·55, 1·00 and 0·68 in inoculated seedlings.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Treatment
- inoculatede5
- Outcome
- heritabilities for SRN, RDW and SRRe5
- Value
- 0·55, 1·00 and 0·68e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e5“The individual narrow‐sense heritabilities for SRN, RDW and SRR were, respectively, 0·55, 1·00 and 0·68 (inoculated) and 0·43, 1·00 and 0·25 (uninoculated)”
Claim · model-written summary
Narrow-sense heritabilities for SRN, RDW and SRR were 0·43, 1·00 and 0·25 in uninoculated seedlings.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Treatment
- uninoculatede5
- Outcome
- heritabilities for SRN, RDW and SRRe5
- Value
- 0·43, 1·00 and 0·25e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e5“The individual narrow‐sense heritabilities for SRN, RDW and SRR were, respectively, 0·55, 1·00 and 0·68 (inoculated) and 0·43, 1·00 and 0·25 (uninoculated)”
Claim · model-written summary
Heritabilities for the ectomycorrhizal traits ECN, ECP and EMD were 0·60, 0·81 and 0·53.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Outcome
- heritabilities for the ectomycorrhizal traitse6
- Value
- 0·60, 0·81 and 0·53e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e6“The higher heritabilities for the ectomycorrhizal traits were 0·60, 0·81 and 0·53 for ECN, ECP and EMD, respectively”
Claim · model-written summary
Heritabilities of root morphology traits were higher in inoculated seedlings.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Treatment
- inoculated seedlingse7
- Outcome
- heritabilities of root morphology traitse7
- Direction
- highere7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e7“The higher heritabilities of root morphology traits for inoculated seedlings indicates that the mycorrhizal condition of plants should be an important factor in increasing root quality from genetic selection”
Claim · model-written summary
The mycorrhizal condition of plants should be an important factor in increasing root quality from genetic selection, especially on poor sites.
- Taxon
- plantsViridiplantaee7
- Outcome
- increasing root quality from genetic selectione7
Verbatim
e7“The higher heritabilities of root morphology traits for inoculated seedlings indicates that the mycorrhizal condition of plants should be an important factor in increasing root quality from genetic selection”
Claim · model-written summary
Ectomycorrhizal traits show relatively strong genetic control in Pinus elliottii.
- Taxon
- Pinus elliottiiPinus elliottiie0
- Outcome
- genetic control of ectomycorrhizal traitse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between genotypes of Pinus elliottii and the ectomycorrhizal fungus Pisolithus tinctorius (Pt)”
e7“The relatively strong genetic control of ectomycorrhizal traits indicates a great potential for selecting individuals in tree breeding programs”
Claim · model-written summary
Strong genetic control of ectomycorrhizal traits gives a great potential for selecting individuals in tree breeding programs.
Verbatim
e7“The relatively strong genetic control of ectomycorrhizal traits indicates a great potential for selecting individuals in tree breeding programs”
The same questions in other papers
inoculation · growth · Pinus elliottii (slash pine)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
1 paper more in this group
See all 5 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.