Abstract
Abstract In a 2‐year study, micronised (finely ground) and non‐micronised sulphur spray programmes were investigated for peach scab control and influence on peach fruit quality variables including fruit colouration, soluble solids content and flesh firmness. Both sulphur programmes, applied six or 11 times at 15 kg ha −1 , controlled scab equally well in both years on cultivars (cvs) Contender and Cresthaven. Six applications of a half dosage of both micronised and non‐micronised sulphur programmes were significantly less effective ( P < 0.05) compared with all other programmes when scab incidence was >90% on cv. Contender. None of the sulphur programmes influenced significantly ( P < 0.05) colouration and flesh firmness of harvested fruits compared with the industry standard (a chlorothalonil–captan programme). Only soluble solids concentrations showed significant differences among fungicide programmes ( P < 0.05), but these differences were not consistent with either particle sizes of sulphur fungicide or reduced application fungicide programmes. In conclusion, our study showed that (a) micronised sulphur did not control peach scab more effectively compared to non‐micronised sulphur; (b) six applications of sulphur were sufficient to control peach scab when disease pressure was low to medium; and (c) neither six nor 11 applications of sulphur‐based products applied at 15 kg ha −1 had commercially relevant negative impacts on important peach fruit quality variables.
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Claims 6
Claim · model-written summary
Micronised and non-micronised sulphur controlled peach scab equally well in both years on both cultivars.
- Taxon
- peach
Prunus persicat0 - Material
- Contender and Cresthavene0
- Treatment
- sulphur programmes, applied six or 11 times at 15 kg ha −1e0
- Interactor
- scabe0pathogen
- Outcome
- scabe0
- Direction
- equally welle0
- Comparator
- Both sulphur programmese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both sulphur programmes, applied six or 11 times at 15 kg ha −1 , controlled scab equally well in both years on cultivars (cvs) Contender and Cresthaven”
t0“peach scab”
Claim · model-written summary
Six half-dose applications of either sulphur formulation were less effective on Contender when scab incidence exceeded 90%.
- Taxon
- peachPrunus persicat0
- Material
- Contendere0
- Treatment
- Six applications of a half dosage of both micronised and non‐micronised sulphur programmese0
- Interactor
- scabe0pathogen
- Outcome
- scab incidencee0
- Direction
- less effectivee0
- Qualifier
- >90%e0
- Comparator
- all other programmese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Six applications of a half dosage of both micronised and non‐micronised sulphur programmes were significantly less effective ( P < 0.05) compared with all other programmes when scab incidence was >90% on cv. Contender”
t0“peach scab”
Claim · model-written summary
Sulphur programmes did not significantly affect harvested fruit colour or flesh firmness versus the industry standard.
- Taxon
- peachPrunus persicat0
- Treatment
- sulphur programmese0
- Outcome
- colouration and flesh firmness of harvested fruitse0
- Direction
- Nonee0
- Comparator
- industry standard (a chlorothalonil–captan programme)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“None of the sulphur programmes influenced significantly ( P < 0.05) colouration and flesh firmness of harvested fruits compared with the industry standard (a chlorothalonil–captan programme)”
t0“peach”
Claim · model-written summary
Soluble solids differed significantly among fungicide programmes without a consistent pattern by sulphur particle size or reduced application.
- Taxon
- peachPrunus persicat0
- Outcome
- soluble solids concentrationse0
- Direction
- significant differencese0
- Comparator
- fungicide programmese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Only soluble solids concentrations showed significant differences among fungicide programmes ( P < 0.05), but these differences were not consistent with either particle sizes of sulphur fungicide or reduced application fungicide programmes”
t0“peach”
Claim · model-written summary
The authors concluded that six sulphur applications suffice under low to medium disease pressure.
- Taxon
- peachPrunus persicae0
- Interactor
- scabe0pathogen
- Outcome
- six applications of sulphur were sufficient to control peach scabe0
- Qualifier
- disease pressure was low to mediume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“six applications of sulphur were sufficient to control peach scab when disease pressure was low to medium”
Claim · model-written summary
Six or eleven full-rate sulphur applications had no commercially relevant adverse effect on peach fruit quality.
- Taxon
- peachPrunus persicae0
- Treatment
- sulphur‐based products applied at 15 kg ha −1e0
- Outcome
- peach fruit quality variablese0
- Direction
- neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“neither six nor 11 applications of sulphur‐based products applied at 15 kg ha −1 had commercially relevant negative impacts on important peach fruit quality variables”
The same questions in other papers
sulfur atom · disease · Prunus persica (peach)Positive and negative results
3 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- no effect
1 paper more in this group
See all 5 papers →sulfur atom · quality: postharvest · Prunus persica (peach)Results agree
1 paper in the same direction as this paper
- negative
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.