Abstract
Metribuzin will control many problematic weed species in winter wheat in the mid-Atlantic states, including herbicide-resistant biotypes, but it has not been recommended due to crop safety concerns. In a three-year trial, metribuzin was applied at 105 or 210 g ai ha −1 to wheat at the PRE, 2-leaf (Feekes stage 1 to 2), early spring (Feekes stage 3 to 4), and late spring (Feekes stage 4 to 6) growth stages using wheat cultivars sensitive to metribuzin. Early spring applications had the least amount of injury, and injury at this timing was transient and yield was not reduced. Yield loss was observed with the other application timings in at least one out of three years. Rainfall shortly after application appears to increase the risk of wheat injury.
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Claims 5
Claim · model-written summary
Early spring metribuzin applications caused the least wheat injury.
- Taxon
- wheat
Triticum aestivume3 - Treatment
- metribuzine1
- Outcome
- injurye2
- Direction
- leaste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“metribuzin was applied at 105 or 210 g ai ha”
e2“Early spring applications had the least amount of injury”
e3“to wheat at the PRE”
Claim · model-written summary
Injury from early spring metribuzin application was transient.
- Taxon
- wheatTriticum aestivume3
- Treatment
- metribuzine1
- Outcome
- injurye2
- Direction
- transiente2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“metribuzin was applied at 105 or 210 g ai ha”
e2“injury at this timing was transient”
e3“to wheat at the PRE”
Claim · model-written summary
Yield was not reduced by early spring metribuzin application.
- Taxon
- wheatTriticum aestivume3
- Treatment
- metribuzine1
- Outcome
- yielde2
- Direction
- not reducede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“metribuzin was applied at 105 or 210 g ai ha”
e2“yield was not reduced”
e3“to wheat at the PRE”
Claim · model-written summary
Yield loss was observed with the other metribuzin application timings in at least one of three years.
- Taxon
- wheatTriticum aestivume3
- Treatment
- metribuzine1
- Outcome
- Yield losse2
- Direction
- losse2
- Qualifier
- in at least one out of three yearse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“metribuzin was applied at 105 or 210 g ai ha”
e2“Yield loss was observed with the other application timings in at least one out of three years”
e3“to wheat at the PRE”
Claim · model-written summary
Rainfall shortly after application appears to increase the risk of wheat injury.
- Taxon
- wheatTriticum aestivume1
- Treatment
- Rainfall shortly after applicatione1
- Outcome
- risk of wheat injurye1
- Direction
- increasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Rainfall shortly after application appears to increase the risk of wheat injury”
The same questions in other papers
metribuzin · yield · Triticum aestivum (wheat)Results differ
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See all 75 papers →metribuzin · crop injury · Triticum aestivum (wheat)Positive and negative results
3 papers in the same direction as this paper · 15 in the opposite direction
- negative
- negative
- negative
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See all 19 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.