Abstract
Redhaven peach (Prunus persica (L.) Batsch) trees, grafted on the rootstocks Bailey, Siberian C, or Harrow Blood, with roots free of, or infested by, root-lesion nematodes (Pratylenchus penetrans) were planted in fumigated or P. penetrans-infested Vineland fine sandy loam at Jordan Station, Ontario. Tree growth and soil nematode population densities were monitored for 6 yr. In general, fumigation suppressed soil populations of P. penetrans during the first 4 yr, whereas no consistent nematode control was obtained through the use of nematode-free rootstock. The rootstock Siberian C supported larger numbers of P. penetrans than the other two rootstocks throughout the experiment, whereas Bailey favored the build-up of the pin nematode (Paratylenchus projectus). Tree diameter of nematode-free rootstock was greatest in the first 3 yr only; soil fumigation alone increased growth during the first year only. Tree mortality tended to be lowest in fumigated soil planted to clean rootstocks. Harrow Blood showed the highest mortality; Siberian C the lowest. The data suggest that only nematode-free peach trees should be planted. Orchards should be fumigated if P. penetrans exceeds 800 kg −1 of soil and/or when there is a history of replant failure on a light-textured soil.Key words: Prunus persica, pin nematode, Paratylenchus projectus, replant problem, rootstocks, fumigation
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Claims 11
Claim · model-written summary
Fumigation suppressed soil populations of P. penetrans during the first 4 yr.
- Taxon
- PEACH
Prunus persicat0 - Treatment
- fumigatione0
- Interactor
- P. penetrans
Pratylenchus penetranse0pathogen - Outcome
- soil populations of P. penetranse0
- Direction
- suppressede0
- Value
- 4 yre0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fumigation suppressed soil populations of P. penetrans during the first 4 yr”
t0“REDHAVEN PEACH”
Claim · model-written summary
Nematode-free rootstock gave no consistent nematode control.
- Taxon
- PEACHPrunus persicat0
- Treatment
- nematode-free rootstocke0
- Outcome
- nematode controle0
- Direction
- no consistente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no consistent nematode control was obtained through the use of nematode-free rootstock”
t0“REDHAVEN PEACH”
Claim · model-written summary
Siberian C supported larger P. penetrans populations than the other rootstocks.
- Taxon
- PEACHPrunus persicat0
- Material
- Siberian Ce0
- Interactor
- P. penetransPratylenchus penetranse0pathogen
- Outcome
- numbers of P. penetranse0
- Direction
- largere0
- Comparator
- other two rootstockse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rootstock Siberian C supported larger numbers of P. penetrans than the other two rootstocks throughout the experiment”
t0“REDHAVEN PEACH”
Claim · model-written summary
Bailey favored pin nematode build-up.
- Taxon
- PEACHPrunus persicat0
- Material
- Baileye0
- Interactor
- Paratylenchus projectusParatylenchus projectuse0pathogen
- Outcome
- build-up of the pin nematodee0
- Direction
- build-upe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bailey favored the build-up of the pin nematode (Paratylenchus projectus)”
t0“REDHAVEN PEACH”
Claim · model-written summary
Nematode-free rootstock had greatest tree diameter only in the first 3 yr.
- Taxon
- PEACHPrunus persicat0
- Treatment
- nematode-free rootstocke0
- Outcome
- Tree diametere0
- Direction
- greateste0
- Value
- 3 yre0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tree diameter of nematode-free rootstock was greatest in the first 3 yr only”
t0“REDHAVEN PEACH”
Claim · model-written summary
Soil fumigation increased growth only in the first year.
- Taxon
- PEACHPrunus persicat0
- Treatment
- soil fumigatione0
- Outcome
- growthe0
- Direction
- increasede0
- Qualifier
- first year onlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil fumigation alone increased growth during the first year only”
t0“REDHAVEN PEACH”
Claim · model-written summary
Tree mortality tended to be lowest in fumigated soil planted with clean rootstocks.
- Taxon
- PEACHPrunus persicat0
- Treatment
- fumigated soil planted to clean rootstockse0
- Outcome
- Tree mortalitye0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tree mortality tended to be lowest in fumigated soil planted to clean rootstocks”
t0“REDHAVEN PEACH”
Claim · model-written summary
Harrow Blood had the highest mortality.
- Taxon
- PEACHPrunus persicat0
- Material
- Harrow Bloode0
- Outcome
- mortalitye0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Harrow Blood showed the highest mortality”
t0“REDHAVEN PEACH”
Claim · model-written summary
Siberian C had the lowest mortality.
- Taxon
- PEACHPrunus persicat0
- Material
- Siberian Ce0
- Outcome
- mortalitye1
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Siberian C the lowest”
e1“Harrow Blood showed the highest mortality; Siberian C the lowest”
t0“REDHAVEN PEACH”
Claim · model-written summary
The authors advise planting only nematode-free peach trees.
- Taxon
- peachPrunus persicae0
- Outcome
- only nematode-free peach trees should be plantede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only nematode-free peach trees should be planted”
Claim · model-written summary
The authors advise fumigation where P. penetrans exceeds 800 kg −1 of soil or replant failure has occurred on light-textured soil.
- Taxon
- PEACHPrunus persicat0
- Interactor
- P. penetransPratylenchus penetranse0pathogen
- Outcome
- Orchards should be fumigatede0
- Value
- 800 kg −1 of soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Orchards should be fumigated if P. penetrans exceeds 800 kg −1 of soil and/or when there is a history of replant failure on a light-textured soil”
t0“REDHAVEN PEACH”
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See all 21 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.