Abstract
Groundnut (Arachis hypogaea L.) productivity in India is low, because of many problems beset in its cultivation. One of the serious problems are weeds. Groundnut yield losses due to weeds have been estimated as high as 24 to 70 percent. This has created a scope for using herbicides in groundnut crop. A field investigation was carried out during kharif (rainy) season of 2001-2002 on a sandy loam soil at College Agronomy Farm, B.A. College of Agriculture, Gujarat Agricultural University, Anand, India to study the effect of weed management practices and Rhizobium inoculation on growth and yield of groundnut (Arachis hypogaea L.). Ten weed control treatments, comprising four treatments of sole application of fluchloralin, pendimethalin, butachlor and metolachlor, respectively each applied at 1.0 kg ha(-1); four treatments comprising of an application of the same herbicides at the same levels coupled with one hand weeding at 30 DAS; one weed-free treatment (hand weedings at 15, 30, 45 DAS); and one unweeded control. All 10 treatmets were combined with and without Rhizobium inoculation (i.e. a total of 20 treatment combinations) under a factorial randomized complete block design (FRBD) with four replications. Minimum weed dry matter accumulation (70 kg/ha) with higher weed control efficiency (90.70%) was recorded under an integrated method i.e. pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DAS, which also resulted in maximum pod yield (1773.50 kg ha(-1)). This treatment was comparable to fluchloralin applied at 1.0 kg ha(-1) combined with hand- weeding at 30 DAS. Weedy conditions in the unweeded control treatment reduced pod yield by 29.90-35.95% as compared to integrated method. Significantly higher pod yield was obtained with Rhizobium inoculation than the mean value of all treatments without inoculation. For most agronomical parameters examined, Rhizobium inoculation and weed control treatments were independent in their effect.
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Claims 7
Claim · model-written summary
Integrated pendimethalin and hand weeding produced minimum weed dry matter of 70 kg/ha.
- Taxon
- groundnut
Arachis hypogaeat0 - Treatment
- pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DASe0
- Interactor
- weede0weed
- Outcome
- weed dry matter accumulatione0
- Direction
- Minimume0
- Value
- 70 kg/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Minimum weed dry matter accumulation (70 kg/ha) with higher weed control efficiency (90.70%) was recorded under an integrated method i.e. pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DAS”
t0“groundnut”
Claim · model-written summary
The integrated treatment reached 90.70% weed control efficiency.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DASe0
- Interactor
- weede0weed
- Outcome
- weed control efficiencye0
- Direction
- highere0
- Value
- 90.70%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher weed control efficiency (90.70%) was recorded under an integrated method i.e. pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DAS”
t0“groundnut”
Claim · model-written summary
The integrated treatment produced maximum pod yield of 1773.50 kg ha(-1).
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DASe0
- Outcome
- pod yielde0
- Direction
- maximume0
- Value
- 1773.50 kg ha(-1)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DAS, which also resulted in maximum pod yield (1773.50 kg ha(-1)).”
t0“groundnut”
Claim · model-written summary
This treatment was comparable to fluchloralin with hand weeding.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- fluchloralin applied at 1.0 kg ha(-1) combined with hand- weeding at 30 DASe0
- Outcome
- comparablee0
- Direction
- comparablee0
- Comparator
- This treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This treatment was comparable to fluchloralin applied at 1.0 kg ha(-1) combined with hand- weeding at 30 DAS.”
t0“groundnut”
Claim · model-written summary
Unweeded conditions reduced pod yield 29.90-35.95% versus the integrated method.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- unweeded control treatmente0
- Interactor
- Weedye0weed
- Outcome
- pod yielde0
- Direction
- reducede0
- Value
- 29.90-35.95%e0
- Comparator
- integrated methode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weedy conditions in the unweeded control treatment reduced pod yield by 29.90-35.95% as compared to integrated method.”
t0“groundnut”
Claim · model-written summary
Rhizobium inoculation gave significantly higher pod yield than the uninoculated treatment mean.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- Rhizobium inoculatione0
- Outcome
- pod yielde0
- Direction
- highere0
- Comparator
- all treatments without inoculatione0
RhizobiumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significantly higher pod yield was obtained with Rhizobium inoculation than the mean value of all treatments without inoculation.”
t0“groundnut”
Claim · model-written summary
Rhizobium inoculation and weed control acted independently for most agronomic parameters.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- Rhizobium inoculation and weed control treatmentse0
- Outcome
- independent in their effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For most agronomical parameters examined, Rhizobium inoculation and weed control treatments were independent in their effect.”
t0“groundnut”
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