Abstract
There is little information on the tolerance of dry bean to pendimethalin. Field studies were conducted in 2007 to 2009 at Exeter, Ontario and in 2008 and 2009 at Ridgetown, Ontario to evaluate tolerance of black, cranberry, kidney, otebo, pink, pinto, Small Red Mexican and white bean to the pendimethalin applied preplant incorporated at 1080 and 2160 g.a.i.ha-1. Pendimethalin PPI caused minimal injury in most market classes of dry bean at 1 and 2 WAE. There was no injury in various market classes of dry bean with the low dose at 1 and 2 weeks after emergence (WAE). However, at the high dose there was 0 to 4% injury at 1 WAE and 0 to 7% injury at 2 WAE in black, cranberry, kidney, otebo, pink, pinto, SRM and white bean. Pendimethalin PPI was more injurious in white bean than in black, cranberry, kidney, otebo, pink, pinto and SRM bean. Pink and SRM bean exhibited the most tolerance to pendimethalin applied PPI at 1080 g.ai.ha-1 or 2160 g.ai.ha-1. Pendimethalin caused no adverse effect on plant height, shoot dry weight, seed moisture content and seed yield of black, cranberry, kidney, otebo, pink, pinto, SRM and white bean. Based on these results, there is an adequate margin of crop safety for pendimethalin applied PPI at the proposed dose of 1080 g.ai.ha-1 in black, cranberry, kidney, otebo, pink, pinto, SRM and white bean in Ontario.
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Claims 7
Claim · model-written summary
Low-dose pendimethalin caused no dry bean injury at one or two weeks after emergence.
- Taxon
- dry beane0
- Treatment
- low dosee0
- Outcome
- injurye0
- Direction
- no injurye0
- Qualifier
- 1 and 2 weeks after emergence (WAE)e0
Not reportedComparator
Verbatim
e0“There was no injury in various market classes of dry bean with the low dose at 1 and 2 weeks after emergence (WAE).”
e1“pendimethalin applied preplant incorporated at 1080 and 2160 g.a.i.ha-1”
Claim · model-written summary
Pendimethalin injured white bean more than other market classes.
Verbatim
e0“Pendimethalin PPI was more injurious in white bean than in black, cranberry, kidney, otebo, pink, pinto and SRM bean.”
Claim · model-written summary
Pink bean showed the greatest pendimethalin tolerance.
Verbatim
e0“Pink and SRM bean exhibited the most tolerance to pendimethalin applied PPI at 1080 g.ai.ha-1 or 2160 g.ai.ha-1.”
Claim · model-written summary
SRM bean showed the greatest pendimethalin tolerance.
Verbatim
e0“Pink and SRM bean exhibited the most tolerance to pendimethalin applied PPI at 1080 g.ai.ha-1 or 2160 g.ai.ha-1.”
Claim · model-written summary
Pendimethalin had no adverse effect on plant height or shoot dry weight in the studied bean classes.
- Taxon
- beane0
- Treatment
- Pendimethaline0
- Outcome
- plant height, shoot dry weighte0
- Direction
- no adverse effecte0
Not reportedComparator
Verbatim
e0“Pendimethalin caused no adverse effect on plant height, shoot dry weight, seed moisture content and seed yield of black, cranberry, kidney, otebo, pink, pinto, SRM and white bean.”
Claim · model-written summary
Pendimethalin had no adverse effect on seed moisture or yield in the studied bean classes.
- Taxon
- beane0
- Treatment
- Pendimethaline0
- Outcome
- seed moisture content and seed yielde0
- Direction
- no adverse effecte0
Not reportedComparator
Verbatim
e0“Pendimethalin caused no adverse effect on plant height, shoot dry weight, seed moisture content and seed yield of black, cranberry, kidney, otebo, pink, pinto, SRM and white bean.”
Claim · model-written summary
The authors conclude that 1080 g.ai.ha-1 preplant incorporated pendimethalin has an adequate safety margin for bean in Ontario.
Verbatim
e0“there is an adequate margin of crop safety for pendimethalin applied PPI at the proposed dose of 1080 g.ai.ha-1 in black, cranberry, kidney, otebo, pink, pinto, SRM and white bean in Ontario.”
The same questions in other papers
pendimethalin · growth · Phaseolus vulgaris (common bean)Results differ
1 paper in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
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.