Abstract
Sudden wilt of melons induced by Monosporascus cannonballus is a worldwide problem, mainly in arid and semi-arid regions. Soil disinfestation by fumigation with methyl bromide is a common and very effective treatment for disease control. However, methyl bromide is expected to be banned from use within the next 5 to 10 years; therefore, alternative measures for disease management are urgently needed. In this study, the efficacy of methyl bromide at a reduced rate (15 g/m 2 instead of 50 g/m 2 ) and grafted plants, alone or in combination, was examined. Experiments were conducted in the 'Arava region in southern Israel in naturally infested fields. First, various rootstock accessions were tested in three experiments. Of the eight rootstocks evaluated, cv. Brava (Cucurbita maxima) was selected to serve as a rootstock in the subsequent experiments due to its effects on wilt reduction (63 to 100% reduction in two experiments and 35% reduction in one experiment) and its horticultural performance. Next, integration of grafting and a reduced rate of methyl bromide was tested in two experiments. The reduced methyl bromide rate suppressed disease, but results were variable (32 and 91% reduction in the two experiments). Grafting, when used alone, significantly reduced wilt incidence by 84 to 87% compared to untreated plots. Integration of the two control measures provided adequate and reliable results and wilt incidence was always significantly lower (75 to 100% reduction) than incidence in untreated plots. Because control by each measure alone varies, integrated application is preferable.
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Claims 6
Claim · model-written summary
Grafting onto cv. Brava (Cucurbita maxima) rootstock reduced wilt by 63 to 100% in two experiments.
- Taxon
- melons
.jpg?width=60)
Cucumis melot0 - Treatment
- cv. Brava (Cucurbita maxima)e1
- Interactor
- Monosporascus cannonballusMonosporascus cannonballust1pathogen
- Outcome
- wilt reductione1
- Direction
- reductione1
- Value
- 63 to 100%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Sudden Wilt in Melons”
t1“Monosporascus cannonballus”
e1“Of the eight rootstocks evaluated, cv. Brava (Cucurbita maxima) was selected to serve as a rootstock in the subsequent experiments due to its effects on wilt reduction (63 to 100% reduction in two experiments and 35% reduction in one experiment)”
Claim · model-written summary
The same Brava rootstock reduced wilt by 35% in one experiment.
- Taxon
- melonsCucumis melot0
- Treatment
- cv. Brava (Cucurbita maxima)e1
- Interactor
- Monosporascus cannonballusMonosporascus cannonballust1pathogen
- Outcome
- wilt reductione1
- Direction
- reductione1
- Value
- 35%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sudden Wilt in Melons”
t1“Monosporascus cannonballus”
e1“Of the eight rootstocks evaluated, cv. Brava (Cucurbita maxima) was selected to serve as a rootstock in the subsequent experiments due to its effects on wilt reduction (63 to 100% reduction in two experiments and 35% reduction in one experiment)”
Claim · model-written summary
The reduced methyl bromide rate suppressed disease, but variably (32 and 91% reduction in the two experiments).
- Taxon
- melonsCucumis melot0
- Treatment
- reduced methyl bromide ratee1
- Interactor
- Monosporascus cannonballusMonosporascus cannonballust1pathogen
- Outcome
- diseasee1
- Direction
- suppressede1
- Value
- 32 and 91%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sudden Wilt in Melons”
t1“Monosporascus cannonballus”
e1“The reduced methyl bromide rate suppressed disease, but results were variable (32 and 91% reduction in the two experiments)”
Claim · model-written summary
Grafting alone significantly reduced wilt incidence by 84 to 87% compared with untreated plots.
- Taxon
- melonsCucumis melot0
- Treatment
- Graftinge1
- Interactor
- Monosporascus cannonballusMonosporascus cannonballust1pathogen
- Outcome
- wilt incidencee1
- Direction
- reducede1
- Value
- 84 to 87%e1
- Comparator
- untreated plotse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sudden Wilt in Melons”
t1“Monosporascus cannonballus”
e1“Grafting, when used alone, significantly reduced wilt incidence by 84 to 87% compared to untreated plots”
Claim · model-written summary
Integrating grafting and reduced methyl bromide always gave significantly lower wilt incidence (75 to 100% reduction) than untreated plots.
- Taxon
- melonsCucumis melot0
- Treatment
- Integration of the two control measurese1
- Interactor
- Monosporascus cannonballusMonosporascus cannonballust1pathogen
- Outcome
- wilt incidencee1
- Direction
- lowere1
- Value
- 75 to 100% reductione1
- Comparator
- untreated plotse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sudden Wilt in Melons”
t1“Monosporascus cannonballus”
e1“Integration of the two control measures provided adequate and reliable results and wilt incidence was always significantly lower (75 to 100% reduction) than incidence in untreated plots”
Claim · model-written summary
Because control by each measure alone varies, integrated application is preferable.
- Taxon
- melonsCucumis melot0
- Outcome
- integrated application is preferablee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sudden Wilt in Melons”
e1“Because control by each measure alone varies, integrated application is preferable”
The same questions in other papers
grafting · Monosporascus cannonballus · Cucumis melo (muskmelon)Results agree
2 papers in the same direction as this paper
- positive
- 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.