Abstract
Rice (Oryza sativa L.) is a staple food crop popularly grown in more than 100 countries with 90% of the total global production from Asia. Major constraint in paddy cultivation is heavy weed infestation which causes 50-90 % yield reduction. Weeds causes adverse effects to crops in many ways and this arise due to the unusual adaptation characteristics of the weeds and their regeneration ability. To achieve timely and effective weed control, broad-spectrum herbicide based integrated weed management may offer a pathway for simultaneously reducing costs and markedly increasing productivity. A field experiment was conducted during the Navarai (Late Rabi) Season of 2023 to investigate the efficacy of new herbicide combinations for the management of weed flora in transplanted paddy at Field No. A18, ACAR Farm, Adhiyamaan College of Agriculture and Research, Krishnagiri district situated at North western zone of Tamil Nadu. The experiment was conducted with nine treatments where six treatments are combination of herbicides, two cultural operations and one untreated check. The field experiment was designed using randomized block designs with three replications. The experiment results revealed that the post emergence application of Bispyribac sodium 10% SC + (Metsulfuron-methyl+ Chlorimuron ethyl) 250+20 ml ha -1 followed by Cono weeding twice on 15 and 30 DAT enhanced the growth and yield of transplanted paddy with decreased weed growth, reduction in nutrient depletion by weeds and enhanced nutrient uptake by the crop. The treatment positively influenced growth and physiological parameters like plant height, number of tillers, leaf area index and also recorded distinctly higher grain yield (6.5 tonnes ha -1 ), net return (Indian Rupees 114923.2 ha -1 ) and benefit cost ratio (3:10). Combination of herbicides along with cono weeding increased cropping system sustainability and reduced selection pressure for weed resistance to herbicides.
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Claims 10
Claim · model-written summary
Post-emergence bispyribac sodium followed by cono weeding enhanced growth and yield of transplanted rice.
- Taxon
- Rice (Oryza sativa L.)
Oryza sativae0 - Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Outcome
- growth and yield of transplanted paddye1
- Direction
- enhancede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC + (Metsulfuron-methyl+ Chlorimuron ethyl) 250+20 ml ha -1 followed by Cono weeding twice on 15 and 30 DAT enhanced the growth and yield of transplanted paddy”
Claim · model-written summary
The herbicide treatment decreased weed growth in rice.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Interactor
- weede2weed
- Outcome
- weed growthe2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC”
e2“with decreased weed growth”
Claim · model-written summary
The herbicide treatment reduced nutrient depletion by weeds in rice.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Interactor
- weedse3weed
- Outcome
- nutrient depletion by weedse3
- Direction
- reductione3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC”
e3“reduction in nutrient depletion by weeds”
Claim · model-written summary
The herbicide treatment enhanced nutrient uptake by the rice crop.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Outcome
- nutrient uptakee4
- Direction
- enhancede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC”
e4“enhanced nutrient uptake by the crop”
Claim · model-written summary
The treatment positively influenced plant height, number of tillers and leaf area index.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Outcome
- plant height, number of tillers, leaf area indexe5
- Direction
- positively influencede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC”
e5“The treatment positively influenced growth and physiological parameters like plant height, number of tillers, leaf area index”
Claim · model-written summary
The treatment gave a distinctly higher grain yield of 6.5 tonnes per hectare.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Outcome
- grain yielde6
- Direction
- distinctly highere6
- Value
- 6.5 tonnes ha -1e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC”
e6“also recorded distinctly higher grain yield (6.5 tonnes ha -1)”
Claim · model-written summary
The treatment gave a distinctly higher net return of Indian Rupees 114923.2 per hectare.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Outcome
- net returne7
- Direction
- distinctly highere6
- Value
- Indian Rupees 114923.2 ha -1e7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC”
e6“also recorded distinctly higher grain yield (6.5 tonnes ha -1)”
e7“net return (Indian Rupees 114923.2 ha -1)”
Claim · model-written summary
The treatment gave a distinctly higher benefit cost ratio of 3:10.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- post emergence application of Bispyribac sodium 10% SCe1
- Outcome
- benefit cost ratioe2
- Direction
- distinctly highere6
- Value
- 3:10e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“post emergence application of Bispyribac sodium 10% SC”
e6“also recorded distinctly higher grain yield (6.5 tonnes ha -1)”
e2“benefit cost ratio (3:10)”
Claim · model-written summary
Herbicides combined with cono weeding increased cropping system sustainability.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- Combination of herbicides along with cono weedinge1
- Outcome
- cropping system sustainabilitye1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“Combination of herbicides along with cono weeding increased cropping system sustainability”
Claim · model-written summary
Herbicides combined with cono weeding reduced selection pressure for weed resistance to herbicides.
- Taxon
- Rice (Oryza sativa L.)Oryza sativae0
- Treatment
- Combination of herbicides along with cono weedinge1
- Interactor
- weede2weed
- Outcome
- selection pressure for weed resistancee2
- Direction
- reducede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rice (Oryza sativa L.) is a staple food crop”
e1“Combination of herbicides along with cono weeding”
e2“reduced selection pressure for weed resistance to herbicides”
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