Abstract
The cultivated Pyrus communis OHF-333 rootstock is known to be moderately susceptible to Pear decline (PD) phytoplasma. The interaction between the arbuscular mycorrhizal fungus (AM) Glomus intraradices, obtained from in vitro culture, and PD phytoplasma was studied on this rootstock. During the first year, while PD-infected trees were negatively affected by the disease, the inoculation with G. intraradices significantly increased shoot length both in non-PD and PD infected pear trees. Second-year results confirmed the beneficial long-term effect of mycorrhizae. Although PD infection was detrimental to plant shoot growth no effects in plant stem diameter were found. The effect of the G. intraradices symbiosis in PD infected pear trees is discussed.
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Claims 4
Claim · model-written summary
Inoculation with Glomus intraradices significantly increased shoot length in both non-PD and PD-infected pear trees during the first year.
- Taxon
- Pyrus communis
_Poirier_Fleurs_et_feuilles.jpg?width=60)
Pyrus communise0 - Treatment
- inoculation with G. intraradicese1
- Interactor
- G. intraradicesRhizophagus intraradicese1symbiont
- Second interactor
- Pear decline (PD) phytoplasmaCandidatus Phytoplasma pyrie0pathogen
- Outcome
- shoot lengthe1
- Direction
- increasede1
- Qualifier
- During the first yeare1
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Poirier_Fleurs_et_feuilles.jpg?width=500)
Verbatim
e0“The cultivated Pyrus communis OHF-333 rootstock is known to be moderately susceptible to Pear decline (PD) phytoplasma”
e1“During the first year, while PD-infected trees were negatively affected by the disease, the inoculation with G. intraradices significantly increased shoot length both in non-PD and PD infected pear trees”
Claim · model-written summary
Second-year results confirmed a beneficial long-term effect of mycorrhizae on pear trees.
- Taxon
- Pyrus communisPyrus communise0
- Treatment
- mycorrhizaee2
- Outcome
- beneficial long-term effecte2
- Direction
- increaseinferrede2
- Qualifier
- Second-year resultse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivated Pyrus communis OHF-333 rootstock is known to be moderately susceptible to Pear decline (PD) phytoplasma”
e2“Second-year results confirmed the beneficial long-term effect of mycorrhizae”
Claim · model-written summary
Pear decline phytoplasma infection was detrimental to shoot growth of pear trees.
- Taxon
- Pyrus communisPyrus communise0
- Treatment
- PD infectione3
- Interactor
- Pear decline (PD) phytoplasmaCandidatus Phytoplasma pyrie0pathogen
- Outcome
- plant shoot growthe3
- Direction
- decreaseinferrede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivated Pyrus communis OHF-333 rootstock is known to be moderately susceptible to Pear decline (PD) phytoplasma”
e3“Although PD infection was detrimental to plant shoot growth no effects in plant stem diameter were found”
Claim · model-written summary
Pear decline phytoplasma infection had no effect on pear stem diameter.
- Taxon
- Pyrus communisPyrus communise0
- Treatment
- PD infectione3
- Interactor
- Pear decline (PD) phytoplasmaCandidatus Phytoplasma pyrie0pathogen
- Outcome
- plant stem diametere3
- Direction
- no_changeinferrede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivated Pyrus communis OHF-333 rootstock is known to be moderately susceptible to Pear decline (PD) phytoplasma”
e3“Although PD infection was detrimental to plant shoot growth no effects in plant stem diameter were found”
The same questions in other papers
Rhizophagus intraradices · growth · Pyrus communis (pear)Results agree
1 paper in the same direction as this paper
- positive
inoculation · growth · Pyrus communis (pear)Positive and negative results
5 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
4 papers more in this group
See all 8 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.