Abstract
Limited information is available on the sensitivity of dry beans to tribenuron and carfentrazone applied preplant (PP). Four field trials were conducted at Exeter and Ridgetown, ON, Canada in 2019 and 2020 to determine the tolerance of azuki, kidney, small red and white beans to glyphosate (1800 g·ae·ha-1) + tribenuron (15 g·ai·ha-1), glyphosate (1800 g·ae·ha-1) + carfentrazone (35 g·ai·ha-1) and glyphosate (1800 g·ae·ha-1) + tribenuron (15 g·ai·ha-1) + carfentrazone (35 g·ai·ha-1) applied PP 1 - 2 days prior to seeding dry beans. Glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone, applied PP, caused 5%, 5% and 9% bean injury at 1 WAE; 7%, 6% and 10% bean injury at 2 WAE and 6%, 5% and 8% bean injury at 4 WAE, respectively. At 8 WAE, there was 0, 1% and 4% injury in azuki bean; 1%, 2% and 2% injury in kidney bean; 3%, 2% and 3% injury in small red bean; and 6%, 3% and 2% injury in white bean with glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone applied PP, respectively. The injury was significantly greater with glyphosate + tribenuron in small red and white beans compared to the azuki and kidney beans. There was no difference between injury levels among market classes of dry been with glyphosate + carfentrazone or glyphosate + tribenuron + carfentrazone applied PP. There was no effect of glyphosate + tribenuron, glyphosate + carfentrazone and glyphosate + tribenuron + carfentrazone on dry bean plant stand, maturity and seed yield. However, dry bean biomass was reduced as much as 15% with glyphosate + tribenuron and 13% with glyphosate + tribenuron + carfentrazone compared to the untreated control. Dry bean height was reduced 4% with glyphosate + tribenuron + carfentrazone but was not affected with other treatments. Based on these results, there is potential for using glyphosate plus tribenuron or carfentrazone for preplant weed management in dry bean production.
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Claims 16
Claim · model-written summary
Glyphosate plus tribenuron caused 5%, 7%, and 6% injury at 1, 2, and 4 WAE.
Not reportedComparator
Verbatim
e0“Glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone, applied PP, caused 5%, 5% and 9% bean injury at 1 WAE; 7%, 6% and 10% bean injury at 2 WAE and 6%, 5% and 8% bean injury at 4 WAE, respectively.”
t0“Dry Beans”
Claim · model-written summary
Glyphosate plus carfentrazone caused 5%, 6%, and 5% injury at 1, 2, and 4 WAE.
Not reportedComparator
Verbatim
e0“Glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone, applied PP, caused 5%, 5% and 9% bean injury at 1 WAE; 7%, 6% and 10% bean injury at 2 WAE and 6%, 5% and 8% bean injury at 4 WAE, respectively.”
t0“Dry Beans”
Claim · model-written summary
The three-herbicide mixture caused 9%, 10%, and 8% injury at 1, 2, and 4 WAE.
- Taxon
- Dry Beanst0
- Treatment
- glyphosate + tribenuron + carfentrazonee0
- Outcome
- bean injurye0
- Direction
- causede0
- Value
- 9%e0
Not reportedComparator
Verbatim
e0“Glyphosate + tribenuron, glyphosate + carfentrazone, and glyphosate + tribenuron + carfentrazone, applied PP, caused 5%, 5% and 9% bean injury at 1 WAE; 7%, 6% and 10% bean injury at 2 WAE and 6%, 5% and 8% bean injury at 4 WAE, respectively.”
t0“Dry Beans”
Claim · model-written summary
At 8 WAE, azuki bean injury was 0, 1%, and 4% across the three treatments.
Verbatim
e0“At 8 WAE, there was 0, 1% and 4% injury in azuki bean”
t0“Dry Beans”
Claim · model-written summary
At 8 WAE, kidney bean injury was 1%, 2%, and 2% across treatments.
Verbatim
e0“1%, 2% and 2% injury in kidney bean”
t0“Dry Beans”
Claim · model-written summary
At 8 WAE, small red bean injury was 3%, 2%, and 3% across treatments.
Verbatim
e0“3%, 2% and 3% injury in small red bean”
t0“Dry Beans”
Claim · model-written summary
At 8 WAE, white bean injury was 6%, 3%, and 2% across treatments.
Verbatim
e0“6%, 3% and 2% injury in white bean”
t0“Dry Beans”
Claim · model-written summary
Tribenuron mixture caused significantly greater injury in small red and white than azuki and kidney beans.
Verbatim
e0“The injury was significantly greater with glyphosate + tribenuron in small red and white beans compared to the azuki and kidney beans.”
t0“Dry Beans”
Claim · model-written summary
Injury did not differ among bean classes with glyphosate plus carfentrazone.
Verbatim
e0“There was no difference between injury levels among market classes of dry been with glyphosate + carfentrazone or glyphosate + tribenuron + carfentrazone applied PP.”
t0“Dry Beans”
Claim · model-written summary
Injury did not differ among bean classes with the three-herbicide mixture.
Verbatim
e0“There was no difference between injury levels among market classes of dry been with glyphosate + carfentrazone or glyphosate + tribenuron + carfentrazone applied PP.”
t0“Dry Beans”
Claim · model-written summary
All three preplant herbicide treatments had no effect on plant stand, maturity, or seed yield.
- Taxon
- Dry Beanst0
- Treatment
- glyphosate + tribenuron, glyphosate + carfentrazone and glyphosate + tribenuron + carfentrazonee0
- Outcome
- plant stand, maturity and seed yielde0
- Direction
- no effecte0
Not reportedComparator
Verbatim
e0“There was no effect of glyphosate + tribenuron, glyphosate + carfentrazone and glyphosate + tribenuron + carfentrazone on dry bean plant stand, maturity and seed yield.”
t0“Dry Beans”
Claim · model-written summary
Glyphosate plus tribenuron reduced biomass by up to 15% versus untreated control.
Verbatim
e0“dry bean biomass was reduced as much as 15% with glyphosate + tribenuron and 13% with glyphosate + tribenuron + carfentrazone compared to the untreated control.”
t0“Dry Beans”
Claim · model-written summary
Three-herbicide mixture reduced biomass by up to 13% versus untreated control.
Verbatim
e0“dry bean biomass was reduced as much as 15% with glyphosate + tribenuron and 13% with glyphosate + tribenuron + carfentrazone compared to the untreated control.”
t0“Dry Beans”
Claim · model-written summary
Three-herbicide mixture reduced bean height by 4%.
- Taxon
- Dry Beanst0
- Treatment
- glyphosate + tribenuron + carfentrazonee0
- Outcome
- Dry bean heighte0
- Direction
- reducede0
- Value
- 4%e0
Not reportedComparator
Verbatim
e0“Dry bean height was reduced 4% with glyphosate + tribenuron + carfentrazone”
t0“Dry Beans”
Claim · model-written summary
Other treatments did not affect bean height.
Not reportedComparator
Verbatim
e0“Dry bean height was reduced 4% with glyphosate + tribenuron + carfentrazone but was not affected with other treatments.”
t0“Dry Beans”
Claim · model-written summary
Authors identify potential for glyphosate plus tribenuron or carfentrazone in preplant weed management.
Verbatim
e0“there is potential for using glyphosate plus tribenuron or carfentrazone for preplant weed management in dry bean production.”
t0“Dry Beans”
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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.