Abstract
To standardize dose and time of application of post-emergence herbicides in garden pea (Pisum sativum var. hortense) under mid-hills of Himalaya, eleven treatments viz., imazethapyr 100 and 150 g/ha at 20 and 40 DAS, quizalofop 25 and 37.5 g/ha at 20 DAS, isoproturon 1.0 and 1.25 kg/ha at 40 DAS, pendimethalin 1.5 kg/ha (pre- emergence), hand-weeding twice (30 and 60 DAS) and unweeded check were tested during the winter season of 2005-06 and 2006-07 at Palampur. The major weed flora was Phalaris minor, Avena fatua and Vicia sativa in both the years. Post-emergence application of all the herbicides except quizalofop 25 g/ha at 20 DAS and hand weed- ing twice resulted in significantly lower dry weight of weeds over pre-emergence pendimethalin 1.5 kg/ha. Higher doses of all the post-emergence herbicides were superior to their lower doses. Significantly lower dry matter accu- mulation of all the weed species and highest weed control efficiency were obtained with imazethapyr 150 g/ha (40 DAS). Imazethapyr 150 g/ha at 40 DAS resulted in maximum plant height, dry matter accumulation, crop growth rate, relative growth rate, nodule count and weight and green pod and haulm yields. Weeds in untreated check re- duced pea pod yield by 56.8% over the best post-emergence herbicidal treatment (imazethapyr 150 g/ha at 40 DAS) in 200506 and 60.1% in 200607.
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Claims 7
Claim · model-written summary
Three weed species dominated the pea fields.
- Taxon
- garden pea
Lathyrus oleraceust0 - Interactor
- Phalaris minor
.jpg?width=60)
Phalaris minore0weed - Outcome
- major weed florae0
- Qualifier
- Avena fatua and Vicia sativae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“The major weed flora was Phalaris minor, Avena fatua and Vicia sativa in both the years.”
t0“garden pea (Pisum sativum)”
Claim · model-written summary
Most postemergence herbicides and hand weeding reduced weed dry weight compared with pendimethalin.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- Post-emergence application of all the herbicides except quizalofop 25 g/ha at 20 DAS and hand weed- ing twicee0
- Outcome
- dry weight of weedse0
- Direction
- lowere0
- Comparator
- pre-emergence pendimethalin 1.5 kg/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Post-emergence application of all the herbicides except quizalofop 25 g/ha at 20 DAS and hand weed- ing twice resulted in significantly lower dry weight of weeds over pre-emergence pendimethalin 1.5 kg/ha.”
t0“garden pea (Pisum sativum)”
Claim · model-written summary
Higher herbicide doses outperformed lower doses.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- Higher doses of all the post-emergence herbicidese0
- Outcome
- superiore0
- Direction
- superiore0
- Comparator
- their lower dosese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher doses of all the post-emergence herbicides were superior to their lower doses.”
t0“garden pea (Pisum sativum)”
Claim · model-written summary
Imazethapyr at 150 g/ha at 40 DAS minimized weed dry matter and maximized control efficiency.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- imazethapyr 150 g/ha (40 DAS)e0
- Outcome
- dry matter accu- mulation of all the weed species and highest weed control efficiencye0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significantly lower dry matter accu- mulation of all the weed species and highest weed control efficiency were obtained with imazethapyr 150 g/ha (40 DAS).”
t0“garden pea (Pisum sativum)”
Claim · model-written summary
Imazethapyr at 150 g/ha at 40 DAS maximized pea growth and yields.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- Imazethapyr 150 g/ha at 40 DASe0
- Outcome
- plant height, dry matter accumulation, crop growth rate, relative growth rate, nodule count and weight and green pod and haulm yieldse0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Imazethapyr 150 g/ha at 40 DAS resulted in maximum plant height, dry matter accumulation, crop growth rate, relative growth rate, nodule count and weight and green pod and haulm yields.”
t0“garden pea (Pisum sativum)”
Claim · model-written summary
Untreated weeds reduced pea pod yield in the first year.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- untreated checke0
- Interactor
- Weedse0weed
- Outcome
- pea pod yielde0
- Direction
- re- ducede0
- Value
- 56.8%e0
- Qualifier
- 200506e0
- Comparator
- imazethapyr 150 g/ha at 40 DASe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weeds in untreated check re- duced pea pod yield by 56.8% over the best post-emergence herbicidal treatment (imazethapyr 150 g/ha at 40 DAS) in 200506”
t0“garden pea (Pisum sativum)”
Claim · model-written summary
Untreated weeds reduced pea pod yield in the second year.
- Taxon
- garden peaLathyrus oleraceust0
- Treatment
- untreated checke0
- Interactor
- Weedse0weed
- Outcome
- pea pod yielde0
- Direction
- re- ducede0
- Value
- 60.1%e0
- Qualifier
- 200607e0
- Comparator
- imazethapyr 150 g/ha at 40 DASe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weeds in untreated check re- duced pea pod yield by 56.8% over the best post-emergence herbicidal treatment (imazethapyr 150 g/ha at 40 DAS) in 200506 and 60.1% in 200607.”
t0“garden pea (Pisum sativum)”
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Imazethapyr · weed · Lathyrus oleraceus (pea)Results agree
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34 papers in the same direction as this paper · 5 in the opposite direction
- positive
- no effect
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See all 40 papers →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.