Abstract
Field experiment was conducted during rainy seasons of 2014 and 2015 to study the effect on weed management practices in wet direct-seeded rice (Oryza sativa L.) in Cauvery command area of Karnataka under irrigated condition with eight treatments replicated thrice. Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS) significantly reduced weed growth and recorded the higher seed yield (4.80 t/ha), net monetary returns (` 25631/ha) and B: C ratio (1.62) and it was at par with other sequential treatments, viz. pre-emergence application of pendimethalin at 1.0 kg/ha (Stomp) fb postemergence application of bispyribac-sodium, pre-emergence application of bensulfuron-methyl + pretilachlor, application of pendimethalin as pre-emergence fb 1 HW. Uncontrolled weed growth caused 55.2% reduction in seed yield of wet seeded rice.
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Claims 5
Claim · model-written summary
The pre-emergence sequence of bensulfuron-methyl + pretilachlor followed by bispyribac-sodium significantly reduced weed growth in wet direct-seeded rice.
- Taxon
- rice
Oryza sativat0 - Treatment
- Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)e0
- Outcome
- weed growthe1
- Direction
- reducede1
- Setting
- Cauvery command area of Karnatakat0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wet direct-seeded rice in Cauvery command area of Karnataka”
e0“Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)”
e1“significantly reduced weed growth”
Claim · model-written summary
The same herbicide sequence gave a higher seed yield of 4.80 t/ha in wet direct-seeded rice.
- Taxon
- riceOryza sativat0
- Treatment
- Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)e0
- Outcome
- seed yielde1
- Direction
- highere1
- Value
- 4.80 t/hae1
- Setting
- Cauvery command area of Karnatakat0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wet direct-seeded rice in Cauvery command area of Karnataka”
e0“Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)”
e1“recorded the higher seed yield (4.80 t/ha)”
Claim · model-written summary
The same herbicide sequence gave higher net monetary returns of 25631 per ha.
- Taxon
- riceOryza sativat0
- Treatment
- Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)e0
- Outcome
- net monetary returnse1
- Direction
- highere1
- Value
- 25631/hae1
- Setting
- Cauvery command area of Karnatakat0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wet direct-seeded rice in Cauvery command area of Karnataka”
e0“Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)”
e1“recorded the higher seed yield (4.80 t/ha), net monetary returns (` 25631/ha)”
Claim · model-written summary
The same herbicide sequence gave a higher benefit:cost ratio of 1.62.
- Taxon
- riceOryza sativat0
- Treatment
- Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)e0
- Outcome
- B: C ratioe1
- Direction
- highere1
- Value
- 1.62e1
- Setting
- Cauvery command area of Karnatakat0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wet direct-seeded rice in Cauvery command area of Karnataka”
e0“Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS)”
e1“recorded the higher seed yield (4.80 t/ha), net monetary returns (` 25631/ha) and B: C ratio (1.62)”
Claim · model-written summary
Uncontrolled weed growth reduced the seed yield of wet seeded rice by 55.2%.
- Taxon
- wet seeded ricee0
- Treatment
- Uncontrolled weed growthe0
- Outcome
- seed yielde0
- Direction
- reductione0
- Value
- 55.2%e0
Not reportedComparator
Verbatim
e0“Uncontrolled weed growth caused 55.2% reduction in seed yield of wet seeded rice”
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