Abstract
The studies on bio-efficacy of acetachlor and alachlor at different rates for weed control in soybean made during kharif 1996 and 1997 revealed that acetachlor @ 0.9, 1.35, 1.8 and 3.6 kg/ha and a1achlor @ 2.0, 2.5 and 5.0 kg/ha were effective to control Echinochloa crusgalli and the efficacy increased with the increase in the rates of application. The broadleaf weeds were also controlled; however, the efficacy against Commelina communis and Phyllanthus niruri was relatively less. Trifluralin @ 1 kg/ha failed to control Commelina communis and Cyanotis axillaris, while metolachlor @ 1 kg/ha reduced the population of most of the dominant weed species except Rotalla sp. and Phyllanthus niruri. Acetachlor @ 3.6 kg/ha delayed the germination of soybean by 3–4 days and mortality of seedlings was also observed. The other rates of acetachlor and alachlor did not show adverse effects on germination and plant growth. All the herbicidal treatments gave significantly higher seed yield than weedy control. On the basis of two years' mean, the seed yield amongst acetachlortreatments varied from 1347–1417 kg/ha, white it was 1309–1403 kg/ha under alachlor treatments and all these treatments yielded at par with metolachlor (1478 kg/ha) and trifluralin (1391 kg/ha) as against 969 kg/ha in weedy control. The herbicidal treatments produced 35.1–52.2% increased seed yield over weedy control.
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Claims 14
Claim · model-written summary
Acetachlor at 0.9-3.6 kg/ha controlled Echinochloa crusgalli in soybean and efficacy increased with rate.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- acetachlor @ 0.9, 1.35, 1.8 and 3.6 kg/hae0
- Interactor
- Echinochloa crusgalli
Echinochloa crus-gallie0weed - Outcome
- effective to control Echinochloa crusgallie0
- Direction
- efficacy increased with the increase in the rates of applicatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“acetachlor @ 0.9, 1.35, 1.8 and 3.6 kg/ha and a1achlor @ 2.0, 2.5 and 5.0 kg/ha were effective to control Echinochloa crusgalli and the efficacy increased with the increase in the rates of application”
t0“Weed Control in Soybean”
Claim · model-written summary
Alachlor at 2.0-5.0 kg/ha controlled Echinochloa crusgalli in soybean and efficacy increased with rate.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- a1achlor @ 2.0, 2.5 and 5.0 kg/hae0
- Interactor
- Echinochloa crusgalliEchinochloa crus-gallie0weed
- Outcome
- effective to control Echinochloa crusgallie0
- Direction
- efficacy increased with the increase in the rates of applicatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“acetachlor @ 0.9, 1.35, 1.8 and 3.6 kg/ha and a1achlor @ 2.0, 2.5 and 5.0 kg/ha were effective to control Echinochloa crusgalli and the efficacy increased with the increase in the rates of application”
t0“Weed Control in Soybean”
Claim · model-written summary
Broadleaf weeds were also controlled in soybean.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- broadleaf weedse0weed
- Outcome
- broadleaf weeds were also controllede0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The broadleaf weeds were also controlled”
t0“Weed Control in Soybean”
Claim · model-written summary
Efficacy against Commelina communis and Phyllanthus niruri was relatively less.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- Commelina communis
Commelina communise0weed - Second interactor
- Phyllanthus niruri
.jpg?width=60)
Phyllanthus nirurie0weed - Outcome
- efficacye0
- Direction
- relatively lesse0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the efficacy against Commelina communis and Phyllanthus niruri was relatively less”
t0“Weed Control in Soybean”
Claim · model-written summary
Trifluralin at 1 kg/ha failed to control Commelina communis and Cyanotis axillaris.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Trifluralin @ 1 kg/hae0
- Interactor
- Commelina communisCommelina communise0weed
- Second interactor
- Cyanotis axillaris
Cyanotis axillarise0weed - Outcome
- controle0
- Direction
- failede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Trifluralin @ 1 kg/ha failed to control Commelina communis and Cyanotis axillaris”
t0“Weed Control in Soybean”
Claim · model-written summary
Metolachlor at 1 kg/ha reduced the population of most dominant weed species except Rotalla sp. and Phyllanthus niruri.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- metolachlor @ 1 kg/hae0
- Interactor
- dominant weed speciese0weed
- Outcome
- population of most of the dominant weed speciese0
- Direction
- reducede0
- Qualifier
- except Rotalla sp. and Phyllanthus nirurie0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“metolachlor @ 1 kg/ha reduced the population of most of the dominant weed species except Rotalla sp. and Phyllanthus niruri”
t0“Weed Control in Soybean”
Claim · model-written summary
Acetachlor at 3.6 kg/ha delayed soybean germination by 3-4 days.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Acetachlor @ 3.6 kg/hae0
- Outcome
- germinatione0
- Direction
- delayede0
- Value
- 3–4 dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acetachlor @ 3.6 kg/ha delayed the germination of soybean by 3–4 days”
t0“Weed Control in Soybean”
Claim · model-written summary
Seedling mortality was also observed with acetachlor at 3.6 kg/ha in soybean.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Acetachlor @ 3.6 kg/hae0
- Outcome
- mortality of seedlingse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acetachlor @ 3.6 kg/ha delayed the germination of soybean by 3–4 days and mortality of seedlings was also observed”
Claim · model-written summary
The other rates of acetachlor and alachlor showed no adverse effects on germination and plant growth.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- other rates of acetachlor and alachlore0
- Outcome
- germination and plant growthe0
- Direction
- did not show adverse effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The other rates of acetachlor and alachlor did not show adverse effects on germination and plant growth”
t0“Weed Control in Soybean”
Claim · model-written summary
All herbicide treatments gave significantly higher soybean seed yield than the weedy control.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- All the herbicidal treatmentse0
- Outcome
- seed yielde0
- Direction
- highere0
- Comparator
- weedy controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the herbicidal treatments gave significantly higher seed yield than weedy control”
t0“Weed Control in Soybean”
Claim · model-written summary
Soybean seed yield under acetachlor treatments varied from 1347 to 1417 kg/ha (two-year mean).
- Taxon
- SoybeanGlycine maxt0
- Treatment
- acetachlortreatmentse0
- Outcome
- seed yielde0
- Value
- 1347–1417 kg/hae0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the seed yield amongst acetachlortreatments varied from 1347–1417 kg/ha”
t0“Weed Control in Soybean”
Claim · model-written summary
Acetachlor and alachlor treatments yielded at par with metolachlor (1478 kg/ha).
- Taxon
- SoybeanGlycine maxt0
- Treatment
- metolachlore0
- Outcome
- yieldede0
- Direction
- at pare0
- Value
- 1478 kg/hae0
- Comparator
- all these treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all these treatments yielded at par with metolachlor (1478 kg/ha)”
t0“Weed Control in Soybean”
Claim · model-written summary
Acetachlor and alachlor treatments yielded at par with trifluralin (1391 kg/ha).
- Taxon
- SoybeanGlycine maxt0
- Treatment
- trifluraline0
- Outcome
- yieldede0
- Direction
- at pare0
- Value
- 1391 kg/hae0
- Comparator
- all these treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all these treatments yielded at par with metolachlor (1478 kg/ha) and trifluralin (1391 kg/ha)”
t0“Weed Control in Soybean”
Claim · model-written summary
Herbicidal treatments increased soybean seed yield by 35.1-52.2% over the weedy control.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- herbicidal treatmentse0
- Outcome
- seed yielde0
- Direction
- increasede0
- Value
- 35.1–52.2%e0
- Comparator
- weedy controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The herbicidal treatments produced 35.1–52.2% increased seed yield over weedy control”
t0“Weed Control in Soybean”
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