Abstract
A site with no known history of cereal growing or carbendazim fungicide use was inoculated in 1983 with an equal mixture of spores of R‐type and W‐type isolates of Pseudocercosporella herpotrichoides. all sensitive to carbendazim. Following three consecutive years of carbendazim sprays, more than 90% of isolates recovered were carbendazim‐resistant. A majority of R‐type isolates was recovered after 3 years and resistance was found to be more frequent in R‐type than in W‐type isolates. A mixture of carbendazim with prochloraz initially delayed the development of carbendazim resistance, but after 3 years the incidence of resistance was similar to that where carbendazim alone was applied. The best control of eyespot was given by the mixture and by a split application of prochloraz in the first year, by the mixture in the second year, and by the split prochloraz application in the final year. A greater proportion of R‐type isolates was recovered from prochloraz‐treated plots than from unsprayed plots; the proportion of these that were resistant to carbendazim was lower than that from carbendazim treatments. Throughout this study isolates resistant to prochloraz were not detected.
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Claims 10
Claim · model-written summary
Three years of carbendazim sprays yielded over 90% resistant isolates.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- three consecutive years of carbendazim sprayse0
- Outcome
- isolates recovered were carbendazim‐resistante0
- Value
- more than 90%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Following three consecutive years of carbendazim sprays, more than 90% of isolates recovered were carbendazim‐resistant.”
t0“Influence of spray programmes on development of fungicide resistance in the eyespot pathogen of wheat, Pseudocercospovella herpotrichoides”
Claim · model-written summary
Resistance was more frequent in R-type than W-type isolates.
- Taxon
- wheatTriticum aestivumt0
- Material
- R‐typee0
- Outcome
- resistancee0
- Direction
- more frequente0
- Comparator
- W‐type isolatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“resistance was found to be more frequent in R‐type than in W‐type isolates.”
t0“wheat”
Claim · model-written summary
Carbendazim plus prochloraz initially delayed carbendazim resistance.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- A mixture of carbendazim with prochloraze0
- Outcome
- development of carbendazim resistancee0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A mixture of carbendazim with prochloraz initially delayed the development of carbendazim resistance”
t0“wheat”
Claim · model-written summary
After three years, resistance incidence with the mixture resembled carbendazim alone.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- incidence of resistancee0
- Direction
- similare0
- Qualifier
- after 3 yearse0
- Comparator
- carbendazim alonee0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“after 3 years the incidence of resistance was similar to that where carbendazim alone was applied.”
t0“wheat”
Claim · model-written summary
The mixture and split prochloraz application gave best eyespot control in year one.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- the mixture and by a split application of prochloraze0
- Outcome
- best control of eyespote0
- Direction
- beste0
- Qualifier
- first yeare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best control of eyespot was given by the mixture and by a split application of prochloraz in the first year”
t0“wheat”
Claim · model-written summary
The mixture gave best eyespot control in year two.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- the mixturee0
- Qualifier
- second yeare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“by the mixture in the second year”
t0“wheat”
Claim · model-written summary
Split prochloraz gave best eyespot control in the final year.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- split prochloraz applicatione0
- Qualifier
- final yeare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“by the split prochloraz application in the final year.”
t0“wheat”
Claim · model-written summary
Prochloraz plots yielded a greater proportion of R-type isolates than unsprayed plots.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- prochloraz‐treated plotse0
- Outcome
- proportion of R‐type isolatese0
- Direction
- greatere0
- Comparator
- unsprayed plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greater proportion of R‐type isolates was recovered from prochloraz‐treated plots than from unsprayed plots”
t0“wheat”
Claim · model-written summary
The resistant fraction among R-type isolates was lower under prochloraz than carbendazim treatments.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- proportion of these that were resistant to carbendazime0
- Direction
- lowere0
- Comparator
- carbendazim treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the proportion of these that were resistant to carbendazim was lower than that from carbendazim treatments.”
t0“wheat”
Claim · model-written summary
No prochloraz-resistant isolates were detected.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- isolates resistant to prochloraz were not detectede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Throughout this study isolates resistant to prochloraz were not detected.”
t0“wheat”
The same questions in other papers
prochloraz · disease · Triticum aestivum (wheat)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
1 paper more in this group
See all 5 papers →carbendazim · disease · Triticum aestivum (wheat)Positive and negative results
14 papers in the same direction as this paper · 5 in the opposite direction
- negative
- negative
- negative
16 papers more in this group
See all 20 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.