Abstract
A field experiment was conducted in two consecutive summer seasons of 2008 and 2009 at the Institute of Agriculture, Visva-Bharati, Sriniketan, West Bengal to screen out the weed competitive Green-gram cultivars. Experimental plots were infested with grassy, broadleaved and sedge weeds. Digitaria sanguinalis among grasses, Croton bonplandianum among broad leaved and Cyperus rotundus among sedges were most predominant throughout crop season. Losses in seed yield of green-gram due to weed infestation ranged from 7 to 37%. Among the cultivars, the plots of ‘WBM 34-1-1’, ‘WBM 04-5’ and ‘PDM 54’ registered lower number as well as dry weight of grasses, broadleaved, sedges and total weeds at 45 days after sowing (DAS) under both weedy and one hand weeding situations. These cultivars also recorded higher values of yield attributes and seed yields. Yield components viz. number of pods/plant, seeds/pod, test weight as well as seed yield were significantly reduced in weedy situation, compared with one hand weeding at 30 DAS in all the cultivars excepting ‘PDM 54’ and ‘WBM 04-5’, where no significant reduction due to weed competition was recorded, indicating higher weed competitive abilities of both the cultivars. The cultivars ‘WBM 34-1-1’, ‘WBM 04-5’ and ‘PDM 54’ appeared to be promising towards suppressing weeds and producing higher seed yields in lateritic soil of West Bengal.
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Claims 12
Claim · model-written summary
Digitaria sanguinalis was predominant among grassy weeds.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Interactor
- Digitaria sanguinalis
Digitaria sanguinalise0weed - Outcome
- Digitaria sanguinalis among grassese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“Digitaria sanguinalis among grasses, Croton bonplandianum among broad leaved and Cyperus rotundus among sedges were most predominant throughout crop season”
Claim · model-written summary
Croton bonplandianum was predominant among broadleaved weeds.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Interactor
- Croton bonplandianume0weed
- Outcome
- Croton bonplandianum among broad leavede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“Digitaria sanguinalis among grasses, Croton bonplandianum among broad leaved and Cyperus rotundus among sedges were most predominant throughout crop season”
Claim · model-written summary
Cyperus rotundus was predominant among sedge weeds.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Interactor
- Cyperus rotundus
Cyperus rotunduse0weed - Outcome
- Cyperus rotundus among sedgese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
t0“Green-gram”
e0“Digitaria sanguinalis among grasses, Croton bonplandianum among broad leaved and Cyperus rotundus among sedges were most predominant throughout crop season”
Claim · model-written summary
Weed infestation caused 7 to 37% green-gram seed yield loss.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Treatment
- weed infestatione0
- Interactor
- weede0weed
- Outcome
- seed yield of green-grame0
- Direction
- Lossese0
- Value
- 7 to 37%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“Losses in seed yield of green-gram due to weed infestation ranged from 7 to 37%”
Claim · model-written summary
WBM 34-1-1 plots had lower weed number and dry weight under both weedy and hand-weeded conditions.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Material
- WBM 34-1-1e0
- Interactor
- weedse0weed
- Outcome
- number as well as dry weight of grasses, broadleaved, sedges and total weedse0
- Direction
- lowere0
- Qualifier
- 45 days after sowing (DAS)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“the plots of ‘WBM 34-1-1’, ‘WBM 04-5’ and ‘PDM 54’ registered lower number as well as dry weight of grasses, broadleaved, sedges and total weeds at 45 days after sowing (DAS) under both weedy and one hand weeding situations”
Claim · model-written summary
WBM 04-5 plots had lower weed number and dry weight.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Material
- WBM 04-5e0
- Interactor
- weedse0weed
- Outcome
- number as well as dry weight of grasses, broadleaved, sedges and total weedse0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“the plots of ‘WBM 34-1-1’, ‘WBM 04-5’ and ‘PDM 54’ registered lower number as well as dry weight of grasses, broadleaved, sedges and total weeds at 45 days after sowing (DAS) under both weedy and one hand weeding situations”
Claim · model-written summary
PDM 54 plots had lower weed number and dry weight.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Material
- PDM 54e0
- Interactor
- weedse0weed
- Outcome
- number as well as dry weight of grasses, broadleaved, sedges and total weedse0
- Direction
- lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“the plots of ‘WBM 34-1-1’, ‘WBM 04-5’ and ‘PDM 54’ registered lower number as well as dry weight of grasses, broadleaved, sedges and total weeds at 45 days after sowing (DAS) under both weedy and one hand weeding situations”
Claim · model-written summary
These cultivars had higher yield attributes and seed yields.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Outcome
- yield attributes and seed yieldse0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“These cultivars also recorded higher values of yield attributes and seed yields”
Claim · model-written summary
Weedy conditions significantly reduced pods per plant, seeds per pod, test weight and seed yield relative to hand weeding for most cultivars.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Treatment
- weedy situatione0
- Outcome
- number of pods/plant, seeds/pod, test weight as well as seed yielde0
- Direction
- reducede0
- Qualifier
- excepting ‘PDM 54’ and ‘WBM 04-5’e0
- Comparator
- one hand weeding at 30 DASe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“number of pods/plant, seeds/pod, test weight as well as seed yield were significantly reduced in weedy situation, compared with one hand weeding at 30 DAS in all the cultivars excepting ‘PDM 54’ and ‘WBM 04-5’”
Claim · model-written summary
PDM 54 had no significant yield reduction from weed competition.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Material
- PDM 54e0
- Treatment
- weed competitione0
- Outcome
- reductione0
- Direction
- no significant reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“excepting ‘PDM 54’ and ‘WBM 04-5’, where no significant reduction due to weed competition was recorded”
Claim · model-written summary
WBM 04-5 had no significant yield reduction from weed competition.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Material
- WBM 04-5e0
- Treatment
- weed competitione0
- Outcome
- reductione0
- Direction
- no significant reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“excepting ‘PDM 54’ and ‘WBM 04-5’, where no significant reduction due to weed competition was recorded”
Claim · model-written summary
Authors identify WBM 34-1-1, WBM 04-5 and PDM 54 as promising for weed suppression and high seed yields in West Bengal lateritic soil.
- Taxon
- Green-gram
Vigna radiata var. radiatat0 - Outcome
- suppressing weeds and producing higher seed yieldse0
- Setting
- lateritic soil of West Bengale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Green-gram”
e0“The cultivars ‘WBM 34-1-1’, ‘WBM 04-5’ and ‘PDM 54’ appeared to be promising towards suppressing weeds and producing higher seed yields in lateritic soil of West Bengal”
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