Abstract
For finding effective means of controlling phytoplasmosis Bois Noir (BN) in 2020-2022, the effect of bactericides on the intensity of Candidatus Ph. Solani infection and quantitative yield indicators were studied in the vineyards of 2 soil-climatic Crimean regions. Behind the moderate and epiphytotic phytoplasmosis development (15-31% and 56- 76% symptomatic plants, respectively), when using Pharmayod, GS (0.06- 0.1%), Phytolavin, SC (0.2%), Phytoplasmin, SC (0.2-0.3%) preparations, a tendency to a decrease in the intensity of symptoms to 24% and 39% in the 2nd and 3d research years was established, followed by a decrease in the number of plants, completely affected by BN, by 5.3-11 times. A steady tendency to an increase in the “yield per bush” indicator was shown: on symptomatic plants within 11-39%, on asymptomatic - within 12-25%; and to a larger bunch weight: within 12-28% for plants with BN symptoms. The obtained results indicate good prospects for using the studied bactericides.
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Claims 5
Claim · model-written summary
Bactericides tended to reduce Bois Noir symptom intensity to 24% and 39% in years two and three.
- Taxon
- grapet0
- Treatment
- Pharmayod, GS (0.06- 0.1%), Phytolavin, SC (0.2%), Phytoplasmin, SC (0.2-0.3%)e0
- Interactor
- Candidatus Ph. solanit0pathogen
- Outcome
- intensity of symptomse0
- Direction
- decreasee0
- Value
- 24% and 39%e0
- Qualifier
- in the 2nd and 3d research yearse0
Not reportedComparator
Verbatim
e0“when using Pharmayod, GS (0.06- 0.1%), Phytolavin, SC (0.2%), Phytoplasmin, SC (0.2-0.3%) preparations, a tendency to a decrease in the intensity of symptoms to 24% and 39% in the 2nd and 3d research years was established”
t0“Candidatus Ph. solani) to preserve grape yield”
Claim · model-written summary
Bactericides reduced completely affected plants by 5.3 to 11 times.
- Taxon
- grapet0
- Treatment
- bactericidest0
- Interactor
- Candidatus Ph. solanit0pathogen
- Outcome
- number of plants, completely affected by BNe0
- Direction
- decreasee0
- Value
- 5.3-11 timese0
Not reportedComparator
Verbatim
e0“a decrease in the number of plants, completely affected by BN, by 5.3-11 times”
t0“bactericides in the control of phytoplasmosis Bois Noir (pathogen Candidatus Ph. solani) to preserve grape yield”
Claim · model-written summary
Yield per bush tended to increase 11-39% on symptomatic plants.
- Taxon
- grapet0
- Treatment
- bactericidest0
- Outcome
- “yield per bush”e0
- Direction
- increasee0
- Value
- 11-39%e0
- Qualifier
- on symptomatic plantse0
Not reportedComparator
Verbatim
e0“A steady tendency to an increase in the “yield per bush” indicator was shown: on symptomatic plants within 11-39%”
t0“bactericides in the control of phytoplasmosis Bois Noir (pathogen Candidatus Ph. solani) to preserve grape yield”
Claim · model-written summary
Yield per bush tended to increase 12-25% on asymptomatic plants.
Not reportedComparatorDirection
Verbatim
e0“on asymptomatic - within 12-25%”
t0“bactericides in the control of phytoplasmosis Bois Noir (pathogen Candidatus Ph. solani) to preserve grape yield”
Claim · model-written summary
Bunch weight tended to rise 12-28% in symptomatic plants.
- Taxon
- grapet0
- Treatment
- bactericidest0
- Outcome
- bunch weighte0
- Direction
- largere0
- Value
- 12-28%e0
- Qualifier
- for plants with BN symptomse0
Not reportedComparator
Verbatim
e0“to a larger bunch weight: within 12-28% for plants with BN symptoms”
t0“bactericides in the control of phytoplasmosis Bois Noir (pathogen Candidatus Ph. solani) to preserve grape yield”
The same questions in other papers
insecticide · yield · VitisResults agree
2 papers in the same direction as this paper
- positive
- positive
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.