Abstract
SummaryThe effects of P, fumigation and mycorrhizal inoculation on the growth and nutrient content of pear cv. Bartlett (Pyrus communis L.) seedlings were evaluated on the P-sorbing, Parkdale soil (Vitrandepts). The P treatment levels were 0.03, 0.04, 0.06, 0.09, 0.15, 0.25, and 0.40 mg P I-1 of soil solution, based on a P-sorption isotherm. At age 145 d, dry weight, plant height, and stem diameter responses to P and to biological treatments were highly significant as were all interactions. At P levels between 0.03 and 0.25 mg I'1 the greatest growth was observed in either the unfumigated control seedlings or those given the Glomus intraradices Schenck and Smith treatment. At the highest P level thegreatest growth was observed in the plants treated with Glomus deserticola Trappe, Bloss & Menge. At the highest P level, mycorrhizal colonization and concentration of Zn and Cu declined in control plants, but not in inoculated plants.
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Claims 4
Claim · model-written summary
Dry weight, plant height and stem diameter of pear seedlings responded significantly to P and biological treatments.
- Taxon
- pear
_Poirier_Fleurs_et_feuilles.jpg?width=60)
Pyrus communise0 - Treatment
- biological treatmentse1
- Outcome
- dry weight, plant height, and stem diametere1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Poirier_Fleurs_et_feuilles.jpg?width=500)
Verbatim
e0“pear cv. Bartlett (Pyrus communis L.) seedlings were evaluated on the P-sorbing, Parkdale soil (Vitrandepts)”
e1“dry weight, plant height, and stem diameter responses to P and to biological treatments were highly significant as were all interactions”
Claim · model-written summary
At P levels of 0.03 to 0.25 mg/l, the greatest growth of pear seedlings occurred in unfumigated controls or with Glomus intraradices.
- Taxon
- pearPyrus communise0
- Treatment
- Glomus intraradices Schenck and Smith treatmente2
- Interactor
- Glomus intraradices Schenck and Smithe2symbiont
- Outcome
- growthe2
- Direction
- greateste2
- Comparator
- unfumigated control seedlingse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pear cv. Bartlett (Pyrus communis L.) seedlings were evaluated on the P-sorbing, Parkdale soil (Vitrandepts)”
e2“the greatest growth was observed in either the unfumigated control seedlings or those given the Glomus intraradices Schenck and Smith treatment”
Claim · model-written summary
At the highest P level the greatest growth of pear seedlings was observed with Glomus deserticola.
- Taxon
- pearPyrus communise0
- Treatment
- Glomus deserticola Trappe, Bloss & Mengee3
- Interactor
- Glomus deserticola Trappe, Bloss & Mengee3symbiont
- Outcome
- growthe3
- Direction
- greateste3
- Qualifier
- At the highest P levele3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pear cv. Bartlett (Pyrus communis L.) seedlings were evaluated on the P-sorbing, Parkdale soil (Vitrandepts)”
e3“At the highest P level thegreatest growth was observed in the plants treated with Glomus deserticola Trappe, Bloss & Menge”
Claim · model-written summary
At the highest P level, mycorrhizal colonization and Zn and Cu concentration declined in control plants but not in inoculated pear seedlings.
- Taxon
- pearPyrus communise0
- Outcome
- mycorrhizal colonization and concentration of Zn and Cue4
- Direction
- declinede4
- Qualifier
- At the highest P levele4
- Comparator
- inoculated plantse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pear cv. Bartlett (Pyrus communis L.) seedlings were evaluated on the P-sorbing, Parkdale soil (Vitrandepts)”
e4“At the highest P level, mycorrhizal colonization and concentration of Zn and Cu declined in control plants, but not in inoculated plants”
The same questions in other papers
Rhizophagus intraradices · growth · Pyrus communis (pear)Results agree
1 paper in the same direction as this paper
- positive
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.