Abstract
Abstract Late blight is a disease of growing importance in solanaceous crops. Fungicides have a leading role in controlling late blight; however, many fungicide applications result in the selection of individuals who are P. infestans resistant to fungicides. Phosphites are innocuous products that directly and indirectly affect oomycetes’ development, particularly on P. infestans. These products significantly reduce the damage caused by oomycetes, individually or in combination with fungicides. Although they are not new, fungicides such as Benalaxyl-M, Dimetomorph, Fluazinam, and Propamocarb still have a good effect on the control of P. infestans. They are interesting alternatives for a late blight rotation program since each has a different mode of action. Tomato plants were transplanted in the field and under a randomized complete block design, 9 treatments were tested (T1: Rotation of fungicides with an application frequency of 7 days, T2: Rotation of fungicides plus potassium phosphite every 7 days, T3: Rotation of fungicides with an application frequency of 14 days, T4: Rotation of fungicides with an application frequency of 14 days plus potassium phosphite, T5: Chlorine dioxide every 7 days, T6: Chlorine dioxide every 14 days, T7: Ozonized water every 7 days, T8: Ozonized water every 14 days and T9: Tomato plants without application of any treatment (control)). Variables related to the intensity of late blight and productivity were evaluated in each treatment studied. Using rotation plus potassium phosphite with application periods of 7 and 14 days reduced the intensity of late blight and increased tomato productivity. Applying phosphites and fungicides in rotation, such as Benalaxyl-M, Dimetomorph, Fluazinam, and Propamocarb, constitute an alternative that should be considered in late blight control programs in Solanaceae.
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Claims 5
Claim · model-written summary
Fungicide rotation plus potassium phosphite at 7-day application intervals reduced late blight intensity.
- Taxon
- Tomato plants
Solanum lycopersicume2 - Treatment
- Rotation of fungicides plus potassium phosphite every 7 dayse0
- Outcome
- intensity of late blighte1
- Direction
- reducede1
- Comparator
- Tomato plants without application of any treatment (control)e2
Not reportedInteractorSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T2: Rotation of fungicides plus potassium phosphite every 7 days”
e1“Using rotation plus potassium phosphite with application periods of 7 and 14 days reduced the intensity of late blight and increased tomato productivity”
e2“T9: Tomato plants without application of any treatment (control)”
Claim · model-written summary
Fungicide rotation plus potassium phosphite at 14-day application intervals reduced late blight intensity.
- Taxon
- Tomato plantsSolanum lycopersicume2
- Treatment
- Rotation of fungicides with an application frequency of 14 days plus potassium phosphitee0
- Outcome
- intensity of late blighte1
- Direction
- reducede1
- Comparator
- Tomato plants without application of any treatment (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T4: Rotation of fungicides with an application frequency of 14 days plus potassium phosphite”
e1“Using rotation plus potassium phosphite with application periods of 7 and 14 days reduced the intensity of late blight and increased tomato productivity”
e2“T9: Tomato plants without application of any treatment (control)”
Claim · model-written summary
Fungicide rotation plus potassium phosphite at 7-day intervals increased tomato productivity.
- Taxon
- Tomato plantsSolanum lycopersicume2
- Treatment
- Rotation of fungicides plus potassium phosphite every 7 dayse0
- Outcome
- tomato productivitye1
- Direction
- increasede1
- Comparator
- Tomato plants without application of any treatment (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T2: Rotation of fungicides plus potassium phosphite every 7 days”
e1“Using rotation plus potassium phosphite with application periods of 7 and 14 days reduced the intensity of late blight and increased tomato productivity”
e2“T9: Tomato plants without application of any treatment (control)”
Claim · model-written summary
Fungicide rotation plus potassium phosphite at 14-day intervals increased tomato productivity.
- Taxon
- Tomato plantsSolanum lycopersicume2
- Treatment
- Rotation of fungicides with an application frequency of 14 days plus potassium phosphitee0
- Outcome
- tomato productivitye1
- Direction
- increasede1
- Comparator
- Tomato plants without application of any treatment (control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T4: Rotation of fungicides with an application frequency of 14 days plus potassium phosphite”
e1“Using rotation plus potassium phosphite with application periods of 7 and 14 days reduced the intensity of late blight and increased tomato productivity”
e2“T9: Tomato plants without application of any treatment (control)”
Claim · model-written summary
The authors recommend rotating phosphites with the listed fungicides in late blight control programs.
- Taxon
- tomato cropsSolanum lycopersicumt0
- Outcome
- Applying phosphites and fungicides in rotatione0
Not reportedInteractor
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Applying phosphites and fungicides in rotation, such as Benalaxyl-M, Dimetomorph, Fluazinam, and Propamocarb, constitute an alternative that should be considered in late blight control programs in Solanaceae”
t0“tomato crops (Solanum lycopersicum)”
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