Abstract
A field investigation was carried out during Kharif season in 2010 at Agronomy Department Farm, Dr.Panjabrao Deshmukh Krishi Vidyapeeth, Akola, to evaluate the effect of four herbicides (imazethapyr, pendimethalin, fenoxyprop-p-ethyl and quizalofop -p-ethyl ) applied at different rates with different time of application (pre-emergence,post emergence and combination of both) and cultural practices on soil microflora and yield of black gram (Phaseolus mungo). Data revealed that different chemicals and cultural weed control practices were exhibited their superiority over weedy check and reduced the crop weed competition by controlling the annual and broad leaved weeds. Among all the weed control treatments, pre-emergence application of pendimethalin @ 1.5 kg/ha showed higher yield per ha (10.05) and in case of in microbial study, bacterial, fungal and actinomycetes count before spraying of herbicide was non-significant but microbial count was reduced after spraying of herbicides as compared to before spraying of herbicides,as a result(before and after spraying of herbicide) pre-emergence application of imazethapyr at 75 g ha-1[(25.11, 17.10 ) ,( 19.50, 10.84) and (22.30,16.10)] showed the lower microbial count. In case of weedy check(26.90, 20.60 and 23.98) showed maximum microbial count followed by weed free (26.50, 20.30 and 22.60 ), among all the weed control practices.
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Claims 7
Claim · model-written summary
Pre-emergence pendimethalin at 1.5 kg/ha gave higher black gram yield per ha than the other weed control treatments.
- Taxon
- black gram
Vigna mungoe0 - Treatment
- pre-emergence application of pendimethalin @ 1.5 kg/hae1
- Outcome
- yield per hae1
- Direction
- highere1
- Value
- 10.05e1
- Comparator
- all the weed control treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on soil microflora and yield of black gram (Phaseolus mungo)”
e1“Among all the weed control treatments, pre-emergence application of pendimethalin @ 1.5 kg/ha showed higher yield per ha (10.05)”
Claim · model-written summary
Spraying herbicides reduced soil microbial counts compared with before spraying.
- Taxon
- black gramVigna mungoe0
- Treatment
- spraying of herbicidese3
- Outcome
- microbial counte3
- Direction
- reducede3
- Comparator
- before spraying of herbicidese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on soil microflora and yield of black gram (Phaseolus mungo)”
e3“bacterial, fungal and actinomycetes count before spraying of herbicide was non-significant but microbial count was reduced after spraying of herbicides as compared to before spraying of herbicides”
Claim · model-written summary
Pre-emergence imazethapyr at 75 g ha-1 gave the lower microbial count.
- Taxon
- black gramVigna mungoe0
- Treatment
- pre-emergence application of imazethapyr at 75 g ha-1e4
- Outcome
- microbial counte5
- Direction
- lowere5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on soil microflora and yield of black gram (Phaseolus mungo)”
e4“pre-emergence application of imazethapyr at 75 g ha-1”
e5“showed the lower microbial count”
Claim · model-written summary
The weedy check had the maximum microbial count.
- Taxon
- black gramVigna mungoe0
- Outcome
- microbial counte6
- Direction
- maximume6
- Qualifier
- weedy checke6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on soil microflora and yield of black gram (Phaseolus mungo)”
e6“weedy check(26.90, 20.60 and 23.98) showed maximum microbial count”
Claim · model-written summary
The weed-free treatment had the next highest microbial count after the weedy check.
- Taxon
- black gramVigna mungoe0
- Outcome
- microbial counte6
- Qualifier
- weed freee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on soil microflora and yield of black gram (Phaseolus mungo)”
e6“weedy check(26.90, 20.60 and 23.98) showed maximum microbial count”
e7“followed by weed free (26.50, 20.30 and 22.60 )”
Claim · model-written summary
Herbicides and cultural weed control reduced crop-weed competition compared with the weedy check.
- Taxon
- black gramVigna mungoe0
- Treatment
- different chemicals and cultural weed control practicese2
- Outcome
- crop weed competitione2
- Direction
- reducede2
- Comparator
- weedy checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on soil microflora and yield of black gram (Phaseolus mungo)”
e2“different chemicals and cultural weed control practices were exhibited their superiority over weedy check and reduced the crop weed competition by controlling the annual and broad leaved weeds”
Claim · model-written summary
Bacterial, fungal and actinomycetes counts did not differ significantly before herbicide spraying.
- Taxon
- black gramVigna mungoe0
- Outcome
- bacterial, fungal and actinomycetes counte3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on soil microflora and yield of black gram (Phaseolus mungo)”
e3“bacterial, fungal and actinomycetes count before spraying of herbicide was non-significant”
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