Abstract
A field experiment was conducted to study the bio-efficacy of herbicide combinations on mixed weed flora and productivity in puddled transplanted rice. Twelve treatments including bispyribac-Na 25 g/ha, penoxsulam 22.5 g/ha, bispyribac-Na 25 g + ethoxysulfuron 18.75 g/ha, tank-mix of bispyribac-Na 20 g + pre-mix of chlorimuron + metsulfuron 4 g/ha, pretilachlor 750 g followed by (fb) ethoxysulfuron 18.75 g/ha, pretilachlor 750 g fb pre-mix of chlorimuron+metsulfuron 4 g/ha, pyrazosulfuron 20 g fb pre-mix of chlorimuron + metsulfuron 4 g/ha, pre-mix of penoxsulam + cyhalofop 135 g/ha, pre-mix of triafamone + ethoxysulfuron 60 g/ha and pendimethalin 750 g at fb bispyribac-Na 25 g/ha along with hand weedings and weedy check were tested. Different herbicides recorded effective weed control and yield increase of 52–66% compared with weedy check. Unchecked weed growth depleted the soil of 234.2 kg N/ha, 17.6 kg P/ha and 292.7 kg K/ha. Sequential application of pyrazosulfuron and chlorimuron + metsulfuron (pre-mix) could not control grasses and yielded poorly compared with other herbicide combinations. Post-emergence, tank-mix application of bispyribac-Na with either ethoxysulfuron or chlorimuron + metsulfuron (pre-mix) recorded comparable yield to as obtained with sequential application of pendimethalin and bispyribac-Na or pretilachlor with either ethoxysulfuron or chlorimuron + metsulfuron (pre-mix).
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Claims 7
Claim · model-written summary
Herbicides controlled weeds and raised rice yield by 52–66% versus weedy check.
- Taxon
- rice
Oryza sativat0 - Treatment
- Different herbicidese0
- Interactor
- weede0weed
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 52–66%e0
- Comparator
- weedy checke0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different herbicides recorded effective weed control and yield increase of 52–66% compared with weedy check.”
t0“rice”
Claim · model-written summary
Unchecked weed growth depleted soil nitrogen by 234.2 kg N/ha.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Unchecked weed growth depleted the soil of 234.2 kg N/ha, 17.6 kg P/ha and 292.7 kg K/ha.”
t0“rice”
Claim · model-written summary
Unchecked weed growth depleted soil phosphorus by 17.6 kg P/ha.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Unchecked weed growth depleted the soil of 234.2 kg N/ha, 17.6 kg P/ha and 292.7 kg K/ha.”
t0“rice”
Claim · model-written summary
Unchecked weed growth depleted soil potassium by 292.7 kg K/ha.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Unchecked weed growth depleted the soil of 234.2 kg N/ha, 17.6 kg P/ha and 292.7 kg K/ha.”
t0“rice”
Claim · model-written summary
Sequential pyrazosulfuron and chlorimuron plus metsulfuron failed to control grasses.
- Taxon
- riceOryza sativat0
- Treatment
- Sequential application of pyrazosulfuron and chlorimuron + metsulfuron (pre-mix)e0
- Interactor
- grassese0weed
- Outcome
- control grassese0
- Direction
- could not controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sequential application of pyrazosulfuron and chlorimuron + metsulfuron (pre-mix) could not control grasses”
t0“rice”
Claim · model-written summary
The sequential combination yielded poorly relative to other herbicide combinations.
- Taxon
- riceOryza sativat0
- Treatment
- Sequential application of pyrazosulfuron and chlorimuron + metsulfuron (pre-mix)e0
- Outcome
- yielded poorlye0
- Direction
- poorlye0
- Comparator
- other herbicide combinationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sequential application of pyrazosulfuron and chlorimuron + metsulfuron (pre-mix) could not control grasses and yielded poorly compared with other herbicide combinations.”
t0“rice”
Claim · model-written summary
Postemergence bispyribac tank mixes yielded comparably to listed sequential herbicides.
- Taxon
- riceOryza sativat0
- Treatment
- tank-mix application of bispyribac-Na with either ethoxysulfuron or chlorimuron + metsulfuron (pre-mix)e0
- Outcome
- yielde0
- Direction
- comparablee0
- Comparator
- sequential application of pendimethalin and bispyribac-Na or pretilachlor with either ethoxysulfuron or chlorimuron + metsulfuron (pre-mix)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Post-emergence, tank-mix application of bispyribac-Na with either ethoxysulfuron or chlorimuron + metsulfuron (pre-mix) recorded comparable yield to as obtained with sequential application of pendimethalin and bispyribac-Na or pretilachlor with either ethoxysulfuron or chlorimuron + metsulfuron (pre-mix).”
t0“rice”
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