Abstract
There is little published information on the sensitivity of sweet corn to the PRE and POST application of isoxaflutole + cyprosulfamide. Four field trials were conducted during 2010 and 2011 in Ontario, Canada, to determine the sensitivity of ‘Merit’, ‘GH 4927’, ‘BSS 5362’, and ‘GG 741’ sweet corn hybrids to the PRE and POST application of isoxaflutole alone or in combination with cyprosulfamide. Isoxaflutole applied PRE or POST at 105 and 210 g a.i./ha caused as much as 12% visual injury, 18% reduction in height. and 24% reduction in marketable yield of some sweet corn hybrids evaluated. Isoxaflutole + cyprosulfamide applied PRE or POST at 105 and 210 g·ha −1 caused up to 7% initial injury in some sweet corn hybrids but the injury was transient with no effect on sweet corn height, cob size, and yield. Isoxaflutole applied POST was more injurious to sweet corn than when applied PRE; however, there was no differences in sweet corn injury between the PRE and POST applications of isoxaflutole + cyprosulfamide. Based on these results, there is potential for use of isoxaflutole + cyprosulfamide applied at 105 g a.i./ha in ‘Merit’, ‘GH 4927’, ‘BSS 5362’, and ‘GG 741’ sweet corn hybrids.
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Claims 8
Claim · model-written summary
Isoxaflutole applied at 105 and 210 g a.i./ha caused up to 12% visual injury in sweet corn
- Taxon
- sweet cornt0
- Treatment
- Isoxaflutole applied PRE or POST at 105 and 210 g a.i./hae0
- Outcome
- visual injurye0
- Direction
- increaseinferrede0
- Value
- 12%e0
Not reportedComparator
Verbatim
t0“Sweet Corn (Zea mays L.)”
e0“Isoxaflutole applied PRE or POST at 105 and 210 g a.i./ha caused as much as 12% visual injury”
Claim · model-written summary
Isoxaflutole at 105 and 210 g a.i./ha reduced sweet corn height by 18%
- Taxon
- sweet cornt0
- Treatment
- Isoxaflutole applied PRE or POST at 105 and 210 g a.i./hae0
- Outcome
- heighte1
- Direction
- reductione1
- Value
- 18%e1
Not reportedComparator
Verbatim
t0“Sweet Corn (Zea mays L.)”
e0“Isoxaflutole applied PRE or POST at 105 and 210 g a.i./ha”
e1“18% reduction in height”
Claim · model-written summary
Isoxaflutole at 105 and 210 g a.i./ha reduced marketable yield of some sweet corn hybrids by 24%
- Taxon
- sweet cornt0
- Treatment
- Isoxaflutole applied PRE or POST at 105 and 210 g a.i./hae0
- Outcome
- marketable yielde1
- Direction
- reductione1
- Value
- 24%e1
- Qualifier
- some sweet corn hybridse1
Not reportedComparator
Verbatim
t0“Sweet Corn (Zea mays L.)”
e0“Isoxaflutole applied PRE or POST at 105 and 210 g a.i./ha”
e1“24% reduction in marketable yield of some sweet corn hybrids evaluated”
Claim · model-written summary
Isoxaflutole with cyprosulfamide caused up to 7% initial injury in some sweet corn hybrids
- Taxon
- sweet cornt0
- Treatment
- Isoxaflutole + cyprosulfamide applied PRE or POSTe0
- Outcome
- initial injurye1
- Direction
- increaseinferrede1
- Value
- up to 7%e1
- Qualifier
- some sweet corn hybridse1
Not reportedComparator
Verbatim
t0“Sweet Corn (Zea mays L.)”
e0“Isoxaflutole + cyprosulfamide applied PRE or POST”
e1“caused up to 7% initial injury in some sweet corn hybrids”
Claim · model-written summary
Isoxaflutole with cyprosulfamide had no effect on sweet corn height, cob size or yield, and its injury was transient
- Taxon
- sweet cornt0
- Treatment
- Isoxaflutole + cyprosulfamide applied PRE or POSTe0
- Outcome
- height, cob size, and yielde1
- Direction
- no effecte1
- Qualifier
- transiente1
Not reportedComparator
Verbatim
t0“Sweet Corn (Zea mays L.)”
e0“Isoxaflutole + cyprosulfamide applied PRE or POST”
e1“the injury was transient with no effect on sweet corn height, cob size, and yield”
Claim · model-written summary
Isoxaflutole applied POST was more injurious to sweet corn than when applied PRE
Verbatim
e0“Isoxaflutole applied POST was more injurious to sweet corn than when applied PRE”
Claim · model-written summary
Sweet corn injury did not differ between PRE and POST applications of isoxaflutole with cyprosulfamide
Verbatim
e0“there was no differences in sweet corn injury between the PRE and POST applications of isoxaflutole + cyprosulfamide”
Claim · model-written summary
Isoxaflutole with cyprosulfamide at 105 g a.i./ha has potential for use in these sweet corn hybrids
Verbatim
t0“Sweet Corn (Zea mays L.)”
e0“there is potential for use of isoxaflutole + cyprosulfamide applied at 105 g a.i./ha”
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