Abstract
A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt). The pre-emergence (PRE) herbicides viz., atrazine, pendimethalin and oxadiargyl were combined either with hand weeding (HW) and interculturing (IC) or with post-emergence (POST) herbicide 2, 4-D (SS) to evolve integrated weed management. The weed flora of the experimental site constituted Digera arvensis, Cyperus rotundus, Brachiaria spp., Asphodelus tenuifolius, Indigofera glandulosa, Amaranthus viridis, Acanthospermum hispidum, Panicum colonum, Launaea nudicaulis, Euphorbia hirta, Chenopodium album, Portulaca oleracea, Dactyloctenium aegyptium and Celosia argentea. The results revealed that physical methods viz., weed free, HW and IC twice at 15 and 30 days after sowing (DAS) as well as integrated methods viz., atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS significantly enhanced growth and yield attributes ultimately higher cob and fodder yields over unweeded check. The treatments viz., weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS also recorded the lower weed population at 30, 60 DAS and at harvest, dry weight of weed at harvest with lower weed index and higher weed control efficiency and herbicidal efficiency index. These treatments were found economical by recording higher net returns and B: C ratio compared to unweeded check.
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Claims 9
Claim · model-written summary
Physical weed control (weed free, hand weeding and interculture twice) significantly enhanced growth and yield attributes of sweet corn over unweeded check.
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e1“The results revealed that physical methods viz., weed free, HW and IC twice at 15 and 30 days after sowing (DAS) as well as integrated methods viz., atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS significantly enhanced growth and yield attributes ultimately higher cob and fodder yields over unweeded check”
Claim · model-written summary
Integrated herbicide and interculture methods significantly enhanced growth and yield attributes of sweet corn over unweeded check.
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e1“The results revealed that physical methods viz., weed free, HW and IC twice at 15 and 30 days after sowing (DAS) as well as integrated methods viz., atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS significantly enhanced growth and yield attributes ultimately higher cob and fodder yields over unweeded check”
Claim · model-written summary
Physical weed control gave higher cob and fodder yields of sweet corn than unweeded check.
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e1“The results revealed that physical methods viz., weed free, HW and IC twice at 15 and 30 days after sowing (DAS) as well as integrated methods viz., atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS significantly enhanced growth and yield attributes ultimately higher cob and fodder yields over unweeded check”
Claim · model-written summary
Integrated herbicide and interculture methods gave higher cob and fodder yields of sweet corn than unweeded check.
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e1“The results revealed that physical methods viz., weed free, HW and IC twice at 15 and 30 days after sowing (DAS) as well as integrated methods viz., atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS significantly enhanced growth and yield attributes ultimately higher cob and fodder yields over unweeded check”
Claim · model-written summary
The weed control treatments recorded a lower weed population at 30 and 60 DAS and at harvest.
- Taxon
- sweet corne0
- Treatment
- weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DASe2
- Outcome
- weed populatione2
- Direction
- lowere2
- Setting
- Junagadh (Gujarat, India)e0
Not reportedComparator
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e2“The treatments viz., weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS also recorded the lower weed population at 30, 60 DAS and at harvest, dry weight of weed at harvest with lower weed index and higher weed control efficiency and herbicidal efficiency index”
Claim · model-written summary
The weed control treatments gave a lower weed index in sweet corn.
- Taxon
- sweet corne0
- Treatment
- weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DASe2
- Outcome
- weed indexe2
- Direction
- lowere2
- Setting
- Junagadh (Gujarat, India)e0
Not reportedComparator
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e2“The treatments viz., weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS also recorded the lower weed population at 30, 60 DAS and at harvest, dry weight of weed at harvest with lower weed index and higher weed control efficiency and herbicidal efficiency index”
Claim · model-written summary
The weed control treatments decreased the dry weight of weed at harvest.
- Taxon
- sweet corne0
- Treatment
- weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DASe2
- Outcome
- dry weight of weed at harveste2
- Direction
- decreaseinferrede2
- Setting
- Junagadh (Gujarat, India)e0
Not reportedComparatorValue
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e2“The treatments viz., weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS also recorded the lower weed population at 30, 60 DAS and at harvest, dry weight of weed at harvest with lower weed index and higher weed control efficiency and herbicidal efficiency index”
Claim · model-written summary
The weed control treatments gave higher weed control efficiency and herbicidal efficiency index.
- Taxon
- sweet corne0
- Treatment
- weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DASe2
- Outcome
- weed control efficiency and herbicidal efficiency indexe2
- Direction
- highere2
- Setting
- Junagadh (Gujarat, India)e0
Not reportedComparator
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e2“The treatments viz., weed free, HW and IC twice at 15 and 30 DAS, atrazine @ 0.5 kg a.i. /ha as PRE+HW and IC at 30 DAS, and pendimethalin @ 0.9 kg a.i. /ha as PRE+HW and IC at 30 DAS also recorded the lower weed population at 30, 60 DAS and at harvest, dry weight of weed at harvest with lower weed index and higher weed control efficiency and herbicidal efficiency index”
Claim · model-written summary
The weed control treatments gave higher net returns and B: C ratio than unweeded check.
Verbatim
e0“A field experiment was conducted during rabi 2010-11 at Junagadh (Gujarat, India) to find out most efficient and economical method of weed control in rabi sweet corn (Zea mays L. var. saccharata Sturt)”
e3“These treatments were found economical by recording higher net returns and B: C ratio compared to unweeded check”
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