Abstract
Past research has demonstrated that soilborne pathogens can survive on buried strawberry crowns through fumigation. Devising methods to improve treatment of these tissues could help with disease control. The objectives of this work were to (i) investigate the extent to which fragmenting pathogen-infested crowns could improve fumigant disinfestation efficacy, (ii) evaluate the efficacy of fumigation with chloropicrin alone (Tri-Clor) versus a mixture of chloropicrin and 1,3-dichloropropene (Pic-Clor 60), and (iii) characterize the soil concentration and efficacy of fumigants at multiple depths. Fragmenting crowns did not result in improved disinfestation efficacy by any treatment. Neither fumigant achieved adequate Fusarium wilt disease control in the first trial, despite both treatments having high crown disinfestation efficacy. In the second trial, Pic-Clor 60 was significantly more effective than Tri-Clor at disinfesting Fusarium oxysporum f. sp. fragariae ( Fof) from strawberry crowns and suppressing Fusarium wilt disease. Broadcast-applied Pic-Clor 60 was significantly more effective than Tri-Clor at controlling Macrophomina phaseolina on crowns and soil across both trials. However, drip-applied Pic-Clor 60 EC was not significantly better than Tri-Clor EC at disinfesting crowns and soil or suppressing subsequent crown rot disease caused by M. phaseolina. Fumigant gas concentrations tended to be highest at the depth of injection (25 cm) and lowest at the 50-cm depth. Overall, these results indicate that there is a consistent advantage to using broadcast Pic-Clor 60 when M. phaseolina is present, but the advantages were not consistent for Fof or when drip applications were made.
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Claims 7
Claim · model-written summary
Fragmenting strawberry crowns did not improve disinfestation efficacy by any treatment.
- Taxon
- Strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- Fragmenting crownse0
- Outcome
- disinfestation efficacye0
- Direction
- improvede0
- Setting
- Fieldt0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Fragmenting crowns did not result in improved disinfestation efficacy by any treatment”
t0“Field Efficacy of 1,3-Dichloropropene and Chloropicrin on Disinfestation of Strawberry Crown Tissue”
Claim · model-written summary
Neither fumigant achieved adequate Fusarium wilt disease control in the first trial.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- fumigante1
- Outcome
- Fusarium wilt disease controle1
- Direction
- achievede1
- Setting
- Fieldt0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Neither fumigant achieved adequate Fusarium wilt disease control in the first trial”
t0“Field Efficacy of 1,3-Dichloropropene and Chloropicrin on Disinfestation of Strawberry Crown Tissue”
Claim · model-written summary
Both treatments had high crown disinfestation efficacy in the first trial.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- both treatmentse2
- Outcome
- crown disinfestation efficacye2
- Direction
- highe2
- Setting
- Fieldt0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“despite both treatments having high crown disinfestation efficacy”
t0“Field Efficacy of 1,3-Dichloropropene and Chloropicrin on Disinfestation of Strawberry Crown Tissue”
Claim · model-written summary
In the second trial, Pic-Clor 60 was significantly more effective than Tri-Clor at disinfesting Fusarium oxysporum f. sp. fragariae from strawberry crowns and suppressing Fusarium wilt disease.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- Pic-Clor 60e3
- Interactor
- Fusarium oxysporum f. sp. fragariae
Fusarium oxysporum f. sp. fragariaet1pathogen - Outcome
- disinfesting Fusarium oxysporum f. sp. fragariae ( Fof) from strawberry crowns and suppressing Fusarium wilt diseasee3
- Direction
- more effectivee3
- Comparator
- Tri-Clore3
- Setting
- Fieldt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Pic-Clor 60 was significantly more effective than Tri-Clor at disinfesting Fusarium oxysporum f. sp. fragariae ( Fof) from strawberry crowns and suppressing Fusarium wilt disease”
t0“Field Efficacy of 1,3-Dichloropropene and Chloropicrin on Disinfestation of Strawberry Crown Tissue”
t1“Infected with Fusarium oxysporum f. sp. fragariae and Macrophomina phaseolina”
Claim · model-written summary
Broadcast-applied Pic-Clor 60 was significantly more effective than Tri-Clor at controlling Macrophomina phaseolina on crowns and soil across both trials.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- Broadcast-applied Pic-Clor 60e4
- Interactor
- Macrophomina phaseolina
Macrophomina phaseolinat1pathogen - Outcome
- controlling Macrophomina phaseolina on crowns and soile4
- Direction
- more effectivee4
- Comparator
- Tri-Clore4
- Setting
- Fieldt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Broadcast-applied Pic-Clor 60 was significantly more effective than Tri-Clor at controlling Macrophomina phaseolina on crowns and soil across both trials”
t0“Field Efficacy of 1,3-Dichloropropene and Chloropicrin on Disinfestation of Strawberry Crown Tissue”
t1“Infected with Fusarium oxysporum f. sp. fragariae and Macrophomina phaseolina”
Claim · model-written summary
Drip-applied Pic-Clor 60 EC was not significantly better than Tri-Clor EC at disinfesting crowns and soil or suppressing crown rot caused by M. phaseolina.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- drip-applied Pic-Clor 60 ECe5
- Interactor
- M. phaseolinaMacrophomina phaseolinae5pathogen
- Outcome
- disinfesting crowns and soil or suppressing subsequent crown rot diseasee5
- Direction
- not significantly bettere5
- Comparator
- Tri-Clor ECe5
- Setting
- Fieldt0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“drip-applied Pic-Clor 60 EC was not significantly better than Tri-Clor EC at disinfesting crowns and soil or suppressing subsequent crown rot disease caused by M. phaseolina”
t0“Field Efficacy of 1,3-Dichloropropene and Chloropicrin on Disinfestation of Strawberry Crown Tissue”
Claim · model-written summary
Fumigant gas concentrations tended to be highest at the depth of injection (25 cm) and lowest at the 50-cm depth.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- depth of injection (25 cm)e6
- Outcome
- Fumigant gas concentrationse6
- Direction
- higheste6
- Comparator
- the 50-cm depthe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Fumigant gas concentrations tended to be highest at the depth of injection (25 cm) and lowest at the 50-cm depth”
t0“Field Efficacy of 1,3-Dichloropropene and Chloropicrin on Disinfestation of Strawberry Crown Tissue”
The same questions in other papers
transplanting · Macrophomina phaseolina · Fragaria x ananassa (strawberry)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
irrigation · Macrophomina phaseolina · Fragaria x ananassa (strawberry)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.