Abstract
Field observations in 1986 indicated that increased injury to soybean could occur from clomazone plus metribuzin and clomazone plus linuron compared with metribuzin or linuron alone. Field experiments to measure this response were conducted in 1988, 1989, and 1990 at two locations in Michigan. Atrazine at 0, 1120, 2240, and 3360 g ha -1 was applied the year previous to soybean planting to determine if atrazine residues in the soil influenced soybean response. Herbicide treatments in soybean included clomazone, metribuzin, linuron, alachlor, clomazone plus metribuzin or linuron, alachlor plus metribuzin or linuron, and an untreated control. Additive and synergistic responses in soybean to clomazone plus linuron and clomazone plus metribuzin, regardless of atrazine application rate, occurred in some field environments. Experiments in the greenhouse demonstrated that soybean shoot weight was reduced synergistically from clomazone plus metribuzin compared with either herbicide alone, and the response was greater on a soil with 2.5% organic matter compared with a soil with 4.4% organic matter. Clomazone plus metribuzin reduced leaf area and shoot dry weight, regardless of placement, while leaf area and shoot dry weight were reduced more when clomazone plus linuron- and atrazine plus metribuzin-treated soil was placed in the same zone as the soybean seed. The synergistic interaction in soybean to clomazone plus metribuzin occurred under both cool and warm temperature regimes in growth chamber studies.
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Claims 9
Claim · model-written summary
Clomazone plus linuron produced additive or synergistic soybean responses in some field environments regardless of atrazine rate.
- Taxon
- soybean
Glycine maxe0 - Treatment
- clomazone plus linurone0
- Outcome
- Additive and synergistic responses in soybeane0
- Qualifier
- some field environmentse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Additive and synergistic responses in soybean to clomazone plus linuron and clomazone plus metribuzin, regardless of atrazine application rate, occurred in some field environments”
Claim · model-written summary
Clomazone plus metribuzin produced additive or synergistic soybean responses in some field environments regardless of atrazine rate.
- Taxon
- soybeanGlycine maxe0
- Treatment
- clomazone plus metribuzine0
- Outcome
- Additive and synergistic responses in soybeane0
- Qualifier
- regardless of atrazine application ratee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Additive and synergistic responses in soybean to clomazone plus linuron and clomazone plus metribuzin, regardless of atrazine application rate, occurred in some field environments”
Claim · model-written summary
In the greenhouse, clomazone plus metribuzin synergistically reduced soybean shoot weight versus either herbicide alone.
- Taxon
- soybeanGlycine maxe0
- Treatment
- clomazone plus metribuzine0
- Outcome
- soybean shoot weighte0
- Direction
- reducede0
- Comparator
- either herbicide alonee0
- Setting
- greenhousee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments in the greenhouse demonstrated that soybean shoot weight was reduced synergistically from clomazone plus metribuzin compared with either herbicide alone”
Claim · model-written summary
The synergistic shoot-weight response was greater on soil with 2.5% organic matter than on soil with 4.4%.
- Taxon
- soybeanGlycine maxt0
- Outcome
- the responsee0
- Direction
- greatere0
- Comparator
- soil with 4.4% organic mattere0
- Setting
- soil with 2.5% organic mattere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the response was greater on a soil with 2.5% organic matter compared with a soil with 4.4% organic matter”
t0“Soybean”
Claim · model-written summary
Clomazone plus metribuzin reduced soybean leaf area regardless of placement.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Clomazone plus metribuzine0
- Outcome
- leaf areae0
- Direction
- reducede0
- Qualifier
- regardless of placemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clomazone plus metribuzin reduced leaf area and shoot dry weight, regardless of placement”
t0“Soybean”
Claim · model-written summary
Clomazone plus metribuzin reduced soybean shoot dry weight regardless of placement.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Clomazone plus metribuzine0
- Outcome
- shoot dry weighte0
- Direction
- reducede0
- Qualifier
- regardless of placemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Clomazone plus metribuzin reduced leaf area and shoot dry weight, regardless of placement”
t0“Soybean”
Claim · model-written summary
Clomazone plus linuron soil in the seed zone reduced soybean leaf area and shoot dry weight more.
- Taxon
- soybeanGlycine maxe0
- Treatment
- clomazone plus linuron-e0
- Outcome
- leaf area and shoot dry weighte0
- Direction
- reduced moree0
- Qualifier
- same zone as the soybean seede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf area and shoot dry weight were reduced more when clomazone plus linuron- and atrazine plus metribuzin-treated soil was placed in the same zone as the soybean seed”
Claim · model-written summary
Atrazine plus metribuzin soil in the seed zone reduced soybean leaf area and shoot dry weight more.
- Taxon
- soybeanGlycine maxe0
- Treatment
- atrazine plus metribuzin-treated soile0
- Outcome
- leaf area and shoot dry weighte0
- Direction
- reduced moree0
- Qualifier
- same zone as the soybean seede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf area and shoot dry weight were reduced more when clomazone plus linuron- and atrazine plus metribuzin-treated soil was placed in the same zone as the soybean seed”
Claim · model-written summary
The synergistic soybean response to clomazone plus metribuzin occurred under cool and warm temperatures.
- Taxon
- soybeanGlycine maxe0
- Treatment
- clomazone plus metribuzine0
- Outcome
- synergistic interaction in soybeane0
- Qualifier
- both cool and warm temperature regimese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The synergistic interaction in soybean to clomazone plus metribuzin occurred under both cool and warm temperature regimes”
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See all 5 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.