Abstract
‘Mars’, ‘Lemont’, and ‘Tebonnet’ rice were treated in 1987 and 1988 with fenoxaprop, sethoxydim, and haloxyfop at 3- to 4-leaf preflood and at panicle initiation postflood growth stages. Rice stunting and stand loss generally were greater from herbicides applied at postflood than at preflood with all cultivars. Mars yields were reduced from 11 to 23% by fenoxaprop at 168 and 336 g ha −1 applied preflood or postflood. Only postflood applications of fenoxaprop reduced Lemont and Tebonnet yields. Sethoxydim at 112 and 224 g ai ha −1 reduced yields of all cultivars when applied postflood, but yields were not reduced with preflood applications. Haloxyfop preflood at 140 g ai ha −1 and postflood at 70 and 140 g ai ha −1 reduced yields of Mars both years compared to the untreated control. Yields for Lemont and Tebonnet were reduced both years only when haloxyfop was applied postflood at 140 g ha −1 .
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Claims 9
Claim · model-written summary
Postflood herbicide application generally caused greater stunting and stand loss than preflood application.
- Taxon
- Rice
Oryza sativae0 - Treatment
- herbicides applied at postfloode0
- Outcome
- stunting and stand losse0
- Direction
- greatere0
- Comparator
- prefloode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice stunting and stand loss generally were greater from herbicides applied at postflood than at preflood with all cultivars.”
Claim · model-written summary
Fenoxaprop reduced Mars yield by 11 to 23% at both timings.
- Taxon
- Marse0
- Treatment
- fenoxaprop at 168 and 336 g ha −1 applied preflood or postfloode0
- Outcome
- yieldse0
- Direction
- reducede0
- Value
- 11 to 23%e0
Not reportedComparator
Verbatim
e0“Mars yields were reduced from 11 to 23% by fenoxaprop at 168 and 336 g ha −1 applied preflood or postflood.”
Claim · model-written summary
Postflood fenoxaprop reduced Lemont yield.
Not reportedComparator
Verbatim
e0“Only postflood applications of fenoxaprop reduced Lemont and Tebonnet yields.”
Claim · model-written summary
Postflood fenoxaprop reduced Tebonnet yield.
Not reportedComparator
Verbatim
e0“Only postflood applications of fenoxaprop reduced Lemont and Tebonnet yields.”
Claim · model-written summary
Postflood sethoxydim reduced rice cultivar yields.
Verbatim
e0“Sethoxydim at 112 and 224 g ai ha −1 reduced yields of all cultivars when applied postflood, but yields were not reduced with preflood applications.”
Claim · model-written summary
Preflood sethoxydim did not reduce rice yields.
Verbatim
e0“Sethoxydim at 112 and 224 g ai ha −1 reduced yields of all cultivars when applied postflood, but yields were not reduced with preflood applications.”
Claim · model-written summary
Haloxyfop reduced Mars yields in both years relative to untreated controls.
Verbatim
e0“Haloxyfop preflood at 140 g ai ha −1 and postflood at 70 and 140 g ai ha −1 reduced yields of Mars both years compared to the untreated control.”
Claim · model-written summary
Postflood haloxyfop at 140 g ha −1 reduced Lemont yields in both years.
- Taxon
- Lemonte0
- Treatment
- haloxyfop was applied postflood at 140 g ha −1e0
- Outcome
- Yieldse0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“Yields for Lemont and Tebonnet were reduced both years only when haloxyfop was applied postflood at 140 g ha −1 .”
Claim · model-written summary
Postflood haloxyfop at 140 g ha −1 reduced Tebonnet yields in both years.
- Taxon
- Tebonnete0
- Treatment
- haloxyfop was applied postflood at 140 g ha −1e0
- Outcome
- Yieldse0
- Direction
- reducede0
Not reportedComparator
Verbatim
e0“Yields for Lemont and Tebonnet were reduced both years only when haloxyfop was applied postflood at 140 g ha −1 .”
The same questions in other papers
herbicide · crop injury · Oryza sativa (rice)Positive and negative results
9 papers in the same direction as this paper · 42 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- negative
49 papers more in this group
See all 53 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.