Abstract
Captan has become an increasingly important fungicide in the management of common apple diseases such as apple scab (Venturia inaequalis) and bitter rot (Colletotrichum spp.) due to the low risk of fungicide resistance evolving in either pathogen population to this product. Restrictions on the amount of captan that can be applied per season limits the amount and the number of applications a grower may use, resulting in control failures during high disease pressure years. This 3-year field study evaluated how adjuvants combined with captan affected the incidence and severity of apple scab and bitter rot on two different apple cultivars. Results showed that Li700 plus captan and Bond Max plus captan reduced disease incidence of apple scab and bitter rot in years with moderate to high disease pressure by increasing the coverage and retention of captan. The addition of these adjuvants also resulted in possible yield losses due to russetting caused by phytotoxicity. The overall benefits of incorporating adjuvants with captan based on this study could reduce disease incidence while potentially saving a grower up to $5,329 ha –1 due to fungicide reduction.
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Claims 7
Claim · model-written summary
Li700 plus captan reduced apple scab incidence in moderate to high disease pressure years.
- Taxon
- apple
Malus domesticat0 - Treatment
- Li700 plus captane0
- Outcome
- disease incidence of apple scab and bitter rote0
- Direction
- reducede0
- Qualifier
- years with moderate to high disease pressuree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that Li700 plus captan and Bond Max plus captan reduced disease incidence of apple scab and bitter rot in years with moderate to high disease pressure by increasing the coverage and retention of captan.”
t0“Incorporating Adjuvants with Captan to Manage Common Apple Diseases”
Claim · model-written summary
Li700 plus captan reduced bitter rot incidence in moderate to high disease pressure years.
- Taxon
- appleMalus domesticat0
- Treatment
- Li700 plus captane0
- Outcome
- disease incidence of apple scab and bitter rote0
- Direction
- reducede0
- Qualifier
- years with moderate to high disease pressuree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that Li700 plus captan and Bond Max plus captan reduced disease incidence of apple scab and bitter rot in years with moderate to high disease pressure by increasing the coverage and retention of captan.”
t0“Incorporating Adjuvants with Captan to Manage Common Apple Diseases”
Claim · model-written summary
Bond Max plus captan reduced apple scab incidence in moderate to high disease pressure years.
- Taxon
- appleMalus domesticat0
- Treatment
- Bond Max plus captane0
- Outcome
- disease incidence of apple scab and bitter rote0
- Direction
- reducede0
- Qualifier
- years with moderate to high disease pressuree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that Li700 plus captan and Bond Max plus captan reduced disease incidence of apple scab and bitter rot in years with moderate to high disease pressure by increasing the coverage and retention of captan.”
t0“Incorporating Adjuvants with Captan to Manage Common Apple Diseases”
Claim · model-written summary
Bond Max plus captan reduced bitter rot incidence in moderate to high disease pressure years.
- Taxon
- appleMalus domesticat0
- Treatment
- Bond Max plus captane0
- Outcome
- disease incidence of apple scab and bitter rote0
- Direction
- reducede0
- Qualifier
- years with moderate to high disease pressuree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that Li700 plus captan and Bond Max plus captan reduced disease incidence of apple scab and bitter rot in years with moderate to high disease pressure by increasing the coverage and retention of captan.”
t0“Incorporating Adjuvants with Captan to Manage Common Apple Diseases”
Claim · model-written summary
Adjuvants increased captan coverage and retention.
- Taxon
- appleMalus domesticat0
- Treatment
- Li700 plus captane0
- Outcome
- coverage and retention of captane0
- Direction
- increasinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results showed that Li700 plus captan and Bond Max plus captan reduced disease incidence of apple scab and bitter rot in years with moderate to high disease pressure by increasing the coverage and retention of captan.”
t0“Incorporating Adjuvants with Captan to Manage Common Apple Diseases”
Claim · model-written summary
The adjuvants possibly caused yield losses through phytotoxic russetting.
- Taxon
- appleMalus domesticat0
- Treatment
- these adjuvantse0
- Outcome
- yield lossese0
- Direction
- lossese0
- Qualifier
- possiblee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The addition of these adjuvants also resulted in possible yield losses due to russetting caused by phytotoxicity.”
t0“Incorporating Adjuvants with Captan to Manage Common Apple Diseases”
Claim · model-written summary
The authors suggest adjuvants with captan may reduce disease incidence and save up to $5,329 ha –1 through less fungicide.
- Taxon
- appleMalus domesticat0
- Outcome
- incorporating adjuvants with captane0
- Value
- $5,329 ha –1e0
- Qualifier
- potentiallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The overall benefits of incorporating adjuvants with captan based on this study could reduce disease incidence while potentially saving a grower up to $5,329 ha –1 due to fungicide reduction.”
t0“Incorporating Adjuvants with Captan to Manage Common Apple Diseases”
The same questions in other papers
captan · disease · Malus domestica (apple)Results agree
10 papers in the same direction as this paper
- positive
- positive
- positive
7 papers more in this group
See all 11 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.