Abstract
Studies were conducted for three years from 1990–91 to 1992–23 at Punjab Agricultural University, Ludhiana to find out the chemical weed control schedule for linseed. Isoproturon (0.75 and 0.94 kg/ha) pre-emergence and post-emergence (before and after first irrigation) and 2, 4-D sodium salt (0.5 and 0.75 kg/ha) were tried. Postemergence application before irrigation was more safe as compared to application after irrigation. Isoproturon degraded to non-detectable level in the plants by 90 days. Isoproturon pre- or post-emergence provided effective control and yielded significantly higher than unweeded control. 2, 4-D alone or in combination with isoproturon was phytotoxic and yielded lower.
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Claims 6
Claim · model-written summary
Postemergence application before irrigation was safer than after irrigation.
Verbatim
e0“Postemergence application before irrigation was more safe as compared to application after irrigation.”
t0“Linseed”
Claim · model-written summary
Isoproturon residues in plants declined to non-detectable levels by 90 days.
Verbatim
e0“Isoproturon degraded to non-detectable level in the plants by 90 days.”
t0“Linseed”
Claim · model-written summary
Pre- or post-emergence isoproturon effectively controlled weeds.
- Taxon
- Linseedt0
- Treatment
- Isoproturon pre- or post-emergencee0
- Outcome
- effective controle0
- Direction
- effectivee0
Not reportedComparator
Verbatim
e0“Isoproturon pre- or post-emergence provided effective control”
t0“Linseed”
Claim · model-written summary
Pre- or post-emergence isoproturon gave significantly higher linseed yield than the unweeded control.
Verbatim
e0“Isoproturon pre- or post-emergence provided effective control and yielded significantly higher than unweeded control.”
t0“Linseed”
Claim · model-written summary
2, 4-D alone or combined with isoproturon was phytotoxic to linseed.
Not reportedComparatorDirection
Verbatim
e0“2, 4-D alone or in combination with isoproturon was phytotoxic and yielded lower.”
t0“Linseed”
Claim · model-written summary
2, 4-D alone or combined with isoproturon reduced linseed yield.
- Taxon
- Linseedt0
- Treatment
- 2, 4-D alone or in combination with isoproturone0
- Outcome
- yieldede0
- Direction
- lowere0
Not reportedComparator
Verbatim
e0“2, 4-D alone or in combination with isoproturon was phytotoxic and yielded lower.”
t0“Linseed”
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