Abstract
The efficacy of the fungal antagonist Ulocladium atrum to control gray mold in annual strawberry crops using waiting-bed transplants under field conditions was investigated. Seven field experiments were conducted with strawberry cv. Elsanta during the summer seasons of 1996-99 in the Netherlands. Treatments included untreated controls, fungicide programs, U. atrum spray programs, and crop sanitation. Under low disease pressure, U. atrum spray programs effectively reduced gray mold at harvest in four of seven experiments. Sprays of U. atrum starting at transplanting resulted in better control of gray mold than sprays starting at the beginning of flowering in only one of five experiments. Removal of necrotic leaves did not affect the level of gray mold, which demonstrated that strawberry leaves were not a significant inoculum source for Botrytis cinerea in this annual cropping system. These results suggest that U. atrum can be effective in reducing gray mold in strawberry crops, and further studies on the use of the antagonist in annual systems should consider flowering time as the best period to apply this antagonist.
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Claims 5
Claim · model-written summary
Under low disease pressure, U. atrum spray programs reduced gray mold at harvest in four of seven field experiments.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- U. atrum spray programse0
- Interactor
- U. atrumAlternaria atrae0biocontrol_agent
- Outcome
- gray mold at harveste0
- Direction
- reducede0
- Value
- four of seven experimentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Under low disease pressure, U. atrum spray programs effectively reduced gray mold at harvest in four of seven experiments.”
t0“Strawberry”
Claim · model-written summary
Sprays begun at transplanting controlled gray mold better than sprays begun at flowering in only one of five experiments.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Sprays of U. atrum starting at transplantinge0
- Interactor
- U. atrumAlternaria atrae0biocontrol_agent
- Outcome
- control of gray molde0
- Direction
- bettere0
- Value
- one of five experimentse0
- Comparator
- sprays starting at the beginning of floweringe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprays of U. atrum starting at transplanting resulted in better control of gray mold than sprays starting at the beginning of flowering in only one of five experiments.”
t0“Strawberry”
Claim · model-written summary
Necrotic leaf removal did not affect strawberry gray mold levels.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Removal of necrotic leavese0
- Outcome
- level of gray molde0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Removal of necrotic leaves did not affect the level of gray mold”
t0“Strawberry”
Claim · model-written summary
Strawberry leaves were not a significant inoculum source for Botrytis cinerea in this annual cropping system.
- Taxon
- strawberryFragaria ×ananassae0
- Interactor
- Botrytis cinerea
Botrytis cinereae0pathogen - Outcome
- inoculum source for Botrytis cinereae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry leaves were not a significant inoculum source for Botrytis cinerea in this annual cropping system”
Claim · model-written summary
The authors recommend considering flowering time as the best period to apply the antagonist in annual systems.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- flowering time as the best period to apply this antagoniste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“further studies on the use of the antagonist in annual systems should consider flowering time as the best period to apply this antagonist”
t0“Strawberry”
The same questions in other papers
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See all 69 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.