Abstract
The present investigation was conducted with objective to assess the effect of herbicides on weed density, physiology and economics. The experiment was laid out in randomized block design with three replications. The experiment was comprised ten treatments viz., T1 Pendimethalin @ 0.75kg/ha, T2 Metribuzin @200g/ha, T3 Clodinofop propargyl @ 400g/ha, T4 Sulfosulfuron methyl @ 25g/ha, T5 Metsulfuron @ 0.24g/ha, T6 Sulfosulfuron + metribuzin @1.14g/ha, T7 Sulfosulfuron + metsulfuron @0.096g/ha, T8 Isopruturon +2,4-D @ 6g/ha, T9 Weed check, T10 Weed free. The present investigation revealed that the major weed flora observed in the experiment were grassy weeds viz., Phalaris minor, Cynodon dactylon, Avena fatua and Broad leaf weeds viz., Chenopodium album, Anagallis arvensis, Convolvulus arvensis, Melilotus alba, Rumex spp. and sedges Cyperus rotundus. Among herbicides, post emergence application of Sulfosulfuron+ Metsulfuron@ 0.096 g ha-1 proved its superiority over other herbicides followed by post emergence application of Isopruturon +2,4-D@ 6 g ha-1for reducing number and dry weight of weeds at all the stages of crop growth. Application of Metribuzin @ 200 g ha-1registered highest dry matter accumulation over other herbicides followed by Pendimethalin @ 0.75kg/ha at all the growth stages of crop growth. Post emergence application of Sulfosulfuron+ Metsulfuron@ 0.096 g ha-1 registered highest weed control efficiency of 82.27% followed by post emergence application of Isopruturon +2,4-D@ 6 g ha-1 (79.11%). Weed infestation exhibited 31.16% loss in grain yield, which were minimized by post emergence application of Sulfosulfuron+ Metsulfuron @ 0.096 g ha-1 which recorded lowest value of weed index (2.809%) followed by post emergence application of post emergence application of Isopruturon +2,4-D@ 6 g ha-1 (5.36%).
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Claims 7
Claim · model-written summary
Sulfosulfuron plus metsulfuron most reduced weed number and dry weight.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Sulfosulfuron+ Metsulfuron@ 0.096 g ha-1e0
- Interactor
- weedse0weed
- Outcome
- number and dry weight of weedse0
- Direction
- reducinge0
- Comparator
- other herbicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat crop”
e0“post emergence application of Sulfosulfuron+ Metsulfuron@ 0.096 g ha-1 proved its superiority over other herbicides followed by post emergence application of Isopruturon +2,4-D@ 6 g ha-1for reducing number and dry weight of weeds at all the stages of crop growth.”
Claim · model-written summary
Metribuzin gave highest dry matter accumulation among herbicides.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Metribuzin @ 200 g ha-1e0
- Outcome
- dry matter accumulatione0
- Direction
- higheste0
- Comparator
- other herbicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat crop”
e0“Application of Metribuzin @ 200 g ha-1registered highest dry matter accumulation over other herbicides”
Claim · model-written summary
Sulfosulfuron plus metsulfuron gave 82.27% weed control efficiency.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Sulfosulfuron+ Metsulfuron@ 0.096 g ha-1e0
- Outcome
- weed control efficiencye0
- Direction
- higheste0
- Value
- 82.27%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat crop”
e0“Sulfosulfuron+ Metsulfuron@ 0.096 g ha-1 registered highest weed control efficiency of 82.27%”
Claim · model-written summary
Isopruturon plus 2,4-D gave 79.11% weed control efficiency.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Isopruturon +2,4-D@ 6 g ha-1e0
- Outcome
- weed control efficiencye1
- Value
- 79.11%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat crop”
e0“Isopruturon +2,4-D@ 6 g ha-1 (79.11%)”
e1“weed control efficiency”
Claim · model-written summary
Weed infestation caused 31.16% grain yield loss.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- Weede0weed
- Outcome
- loss in grain yielde0
- Direction
- losse0
- Value
- 31.16%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat crop”
e0“Weed infestation exhibited 31.16% loss in grain yield”
Claim · model-written summary
Sulfosulfuron plus metsulfuron had the lowest weed index of 2.809%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Sulfosulfuron+ Metsulfuron @ 0.096 g ha-1e0
- Outcome
- weed indexe0
- Direction
- loweste0
- Value
- 2.809%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat crop”
e0“Sulfosulfuron+ Metsulfuron @ 0.096 g ha-1 which recorded lowest value of weed index (2.809%)”
Claim · model-written summary
Isopruturon plus 2,4-D had a weed index of 5.36%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Isopruturon +2,4-D@ 6 g ha-1e0
- Outcome
- weed indexe1
- Value
- 5.36%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat crop”
e0“Isopruturon +2,4-D@ 6 g ha-1 (5.36%)”
e1“weed index”
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See all 134 papers →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.