Abstract
A field experiment was conducted during kharif 2012 to evaluate the efficacy of different pre and post emergence herbicides in direct seeded rice. The chemical treatments included two pre-emergence herbicides namely pendimethalin 1000 g/ha and oxadiargyl 100 g/ha and four post-emergence herbicides viz. bispyribac-sodium 25 g/ha, fenoxaprop 67 g/ha, ethoxysulfuron 18.75 g/ha and chlorimuron-ethyl +metsulfuron-methyl RM 4 g/ha at 25 DAS. Weed free and weedy check were also included. Among chemical treatments, sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha produces minimum density of Echinochloa glabrescens, Cyperus spp. and Ammania spp. at 45 DAS which was statistically at par with weed free. This treatment also had highest efficacy against Echinochloa glabrescens, Cyperus spp. and Ammania spp. at 45 DAS. Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha gave maximum number of effective tillers (209.3), filled grains/panicle (83.7), grain yield (3.97 t/ha) and B:C (2.37) among chemical weed control treatments which was at par with weed free.
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Claims 7
Claim · model-written summary
Sequential herbicides minimized Echinochloa glabrescens density at 45 DAS, statistically matching weed-free plots.
- Taxon
- Rice
Oryza sativat0 - Treatment
- sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/hae0
- Interactor
- Echinochloa glabrescensEchinochloa glabrescense0weed
- Outcome
- density of Echinochloa glabrescense0
- Direction
- minimume0
- Qualifier
- at 45 DASe0
- Comparator
- weed freee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha produces minimum density of Echinochloa glabrescens, Cyperus spp. and Ammania spp. at 45 DAS which was statistically at par with weed free.”
t0“Rice”
Claim · model-written summary
Sequential herbicides minimized Cyperus spp. density at 45 DAS.
- Taxon
- RiceOryza sativat0
- Treatment
- sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/hae0
- Outcome
- density of Echinochloa glabrescens, Cyperus spp. and Ammania spp.e0
- Direction
- minimume0
- Comparator
- weed freee0
CyperusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha produces minimum density of Echinochloa glabrescens, Cyperus spp. and Ammania spp. at 45 DAS which was statistically at par with weed free.”
t0“Rice”
Claim · model-written summary
Sequential herbicides minimized Ammania spp. density at 45 DAS.
- Taxon
- RiceOryza sativat0
- Treatment
- sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/hae0
- Interactor
- Ammania spp.e0weed
- Outcome
- density of Echinochloa glabrescens, Cyperus spp. and Ammania spp.e0
- Direction
- minimume0
- Comparator
- weed freee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha produces minimum density of Echinochloa glabrescens, Cyperus spp. and Ammania spp. at 45 DAS which was statistically at par with weed free.”
t0“Rice”
Claim · model-written summary
Sequential herbicides produced the maximum 209.3 effective tillers.
- Taxon
- RiceOryza sativat0
- Treatment
- Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/hae0
- Outcome
- number of effective tillerse0
- Direction
- maximume0
- Value
- 209.3e0
- Comparator
- chemical weed control treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha gave maximum number of effective tillers (209.3), filled grains/panicle (83.7), grain yield (3.97 t/ha) and B:C (2.37) among chemical weed control treatments which was at par with weed free.”
t0“Rice”
Claim · model-written summary
Sequential herbicides produced the maximum 83.7 filled grains per panicle.
- Taxon
- RiceOryza sativat0
- Treatment
- Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/hae0
- Outcome
- filled grains/paniclee0
- Direction
- maximume0
- Value
- 83.7e0
- Comparator
- chemical weed control treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha gave maximum number of effective tillers (209.3), filled grains/panicle (83.7), grain yield (3.97 t/ha) and B:C (2.37) among chemical weed control treatments which was at par with weed free.”
t0“Rice”
Claim · model-written summary
Sequential herbicides produced the maximum 3.97 t/ha grain yield.
- Taxon
- RiceOryza sativat0
- Treatment
- Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/hae0
- Outcome
- grain yielde0
- Direction
- maximume0
- Value
- 3.97 t/hae0
- Comparator
- chemical weed control treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha gave maximum number of effective tillers (209.3), filled grains/panicle (83.7), grain yield (3.97 t/ha) and B:C (2.37) among chemical weed control treatments which was at par with weed free.”
t0“Rice”
Claim · model-written summary
Sequential herbicides produced the maximum B:C of 2.37.
- Taxon
- RiceOryza sativat0
- Treatment
- Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/hae0
- Outcome
- B:Ce0
- Direction
- maximume0
- Value
- 2.37e0
- Comparator
- chemical weed control treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sequential application of pendimethalin 1000 g/ha fb bispyribac-sodium 25 g/ha and chlorimuron-ethyl+ metsulfuron-methyl RM 4 g/ha gave maximum number of effective tillers (209.3), filled grains/panicle (83.7), grain yield (3.97 t/ha) and B:C (2.37) among chemical weed control treatments which was at par with weed free.”
t0“Rice”
The same questions in other papers
bispyribac-sodium · yield · Oryza sativa (rice)Results differ
160 papers in the same direction as this paper · 4 in the opposite direction · 5 reporting no difference from an alternative
- positive
- no effect
- no effect
166 papers more in this group
See all 170 papers →pendimethalin · organism · Oryza sativa (rice)Positive and negative results
1 in the opposite direction
- negative
bispyribac-sodium · organism · Oryza sativa (rice)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
metsulfuron methyl · yield · Oryza sativa (rice)Positive and negative results
29 papers in the same direction as this paper · 9 in the opposite direction · 3 reporting no difference from an alternative
- negative
- no effect
- negative
38 papers more in this group
See all 42 papers →pendimethalin · yield · Oryza sativa (rice)Positive and negative results
125 papers in the same direction as this paper · 5 in the opposite direction · 4 reporting no difference from an alternative
- positive
- no effect
- negative
131 papers more in this group
See all 135 papers →pendimethalin · Cyperus · Oryza sativa (rice)Results agree
1 paper in the same direction as this paper
- positive
bispyribac-sodium · Cyperus · Oryza sativa (rice)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
metsulfuron methyl · organism · Oryza sativa (rice)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.