Abstract
The persistence of isopropalin (2,6-dinitro- N,N -dipropylcumidine), nitralin [4-(methylsulfonyl)-2,6-dinitro- N,N -dipropylaniline] and trifluralin (a,a,a -trifluoro-2,6-dinitro- N,N -dipropyl- p -toluidine) applied at recommended (1X) and high (2X) rates was studies in the field on two soils. A sorghum [ Sorghum bicolor (L.) Moench ‘RS 610’] root bioassay showed that the recommended rates of the herbicides caused 20% or less root inhibition at the end of the growing season in 1972. Both nitralin and trifluralin were more persistent in 1974 than in 1972 as shown by the root bioassay and growth of fall-sown rye (Secale cereale L.). The yield of sweet corn (Zea mays L. var. rugosa Bonaf. ‘Gold Cup’) was not significantly reduced when grown 1 yr after the initial application of the herbicides.
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Claims 4
Claim · model-written summary
Recommended herbicide rates caused at most 20% sorghum root inhibition by the end of the 1972 growing season.
- Material
- RS 610e0
- Treatment
- recommended rates of the herbicidese0
- Outcome
- root inhibitione0
- Value
- 20% or lesse0
- Qualifier
- at the end of the growing season in 1972e0
SorghumNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A sorghum [ Sorghum bicolor (L.) Moench ‘RS 610’] root bioassay showed that the recommended rates of the herbicides caused 20% or less root inhibition at the end of the growing season in 1972.”
Claim · model-written summary
Nitralin was more persistent in 1974 than 1972 by plant bioassay and rye growth.
- Taxon
- rye
Secale cerealee0 - Treatment
- nitraline0
- Outcome
- growth of fall-sown ryee0
- Direction
- more persistente0
- Comparator
- 1972e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both nitralin and trifluralin were more persistent in 1974 than in 1972 as shown by the root bioassay and growth of fall-sown rye (Secale cereale L.).”
Claim · model-written summary
Trifluralin was more persistent in 1974 than 1972 by plant bioassay and rye growth.
- Taxon
- ryeSecale cerealee0
- Treatment
- trifluraline0
- Outcome
- growth of fall-sown ryee0
- Direction
- more persistente0
- Comparator
- 1972e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both nitralin and trifluralin were more persistent in 1974 than in 1972 as shown by the root bioassay and growth of fall-sown rye (Secale cereale L.).”
Claim · model-written summary
Sweet corn yield one year after herbicide application was not significantly reduced.
- Taxon
- sweet corne0
- Material
- Gold Cupe0
- Treatment
- the herbicidese0
- Outcome
- yielde0
- Direction
- not significantly reducede0
- Qualifier
- 1 yr after the initial applicatione0
Not reportedComparator
Verbatim
e0“The yield of sweet corn (Zea mays L. var. rugosa Bonaf. ‘Gold Cup’) was not significantly reduced when grown 1 yr after the initial application of the herbicides.”
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