Abstract
SUMMARY Experiments were conducted in association with farmers during 1977, 1978 and 1979 on a River Estate sandy loam at Valsayn and on a Cunupia clay loam at Piarco, Trinidad, to assess the relative importance of components in a set of practices for wetseason production of ‘yellow shell’ pods of ‘blackeye’ type of cow pea ( Vigna unguiculata (L.) Walp.). Though the response of the cow pea growth, yield and seed quality characteristics were similar at both locations, crop performance was consistently better at Valsayn and was attributed to more favourable soil conditions and to a lower incidence of pests (mainly Ceratoma beetles), cow pea severe mosaic virus, and weeds. Overall, it was found that pest control was the most important management factor, accounting for a mean yield increase of 144%. The adoption of the improved cultivar, California Blackeye No. 5, increased yield by 77%. Other inputs resulting in significant yield increases were, in order of magnitude, weed control (40%), roguing of mosaic infected plants (37%) and high plant density of 110000 plants/ha (23%). A fertilizer treatment did not significantly increase yield. The results suggest that adoption of the insect control treatment by farmers in their cultivation of an improved cultivar sown at high plant density, the use of herbicide and roguing of mosaic infected plants have practical potential and would be economically justified for the production of high yields and good quality ‘yellow shell’ pods of vegetable cow pea for processing.
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Claims 9
Claim · model-written summary
Cow pea crop performance was better at Valsayn than Piarco.
- Taxon
- cow pea
Vigna unguiculatat0 - Outcome
- crop performancee0
- Direction
- bettere0
- Setting
- Valsayne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cow pea”
e0“crop performance was consistently better at Valsayn”
Claim · model-written summary
Authors attributed better Valsayn performance to more favourable soil conditions and lower pest, virus and weed incidence.
- Taxon
- cow peaVigna unguiculatae0
- Interactor
- Ceratoma beetlese0pest
- Second interactor
- cow pea severe mosaic viruse0pathogen
- Outcome
- crop performance was consistently better at Valsayne0
- Qualifier
- more favourable soil conditions and to a lower incidence of pestse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“crop performance was consistently better at Valsayn and was attributed to more favourable soil conditions and to a lower incidence of pests (mainly Ceratoma beetles), cow pea severe mosaic virus, and weeds.”
Claim · model-written summary
Pest control increased mean yield by 144%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pest control was the most important management factor, accounting for a mean yield increase of 144%”
e1“cow pea growth, yield and seed quality”
Claim · model-written summary
California Blackeye No. 5 increased yield by 77%.
- Taxon
- cow peaVigna unguiculatae1
- Material
- California Blackeye No. 5e0
- Treatment
- adoption of the improved cultivar, California Blackeye No. 5e0
- Outcome
- yielde0
- Direction
- increasede0
- Value
- 77%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The adoption of the improved cultivar, California Blackeye No. 5, increased yield by 77%.”
e1“cow pea growth, yield and seed quality”
Claim · model-written summary
Weed control significantly increased yield by 40%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Other inputs resulting in significant yield increases were, in order of magnitude, weed control (40%), roguing of mosaic infected plants (37%) and high plant density of 110000 plants/ha (23%).”
e1“cow pea growth, yield and seed quality”
Claim · model-written summary
Roguing mosaic-infected plants significantly increased yield by 37%.
- Taxon
- cow peaVigna unguiculatae1
- Treatment
- roguing of mosaic infected plantse0
- Interactor
- cow pea severe mosaic viruse2pathogen
- Outcome
- yielde0
- Direction
- increasese0
- Value
- 37%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Other inputs resulting in significant yield increases were, in order of magnitude, weed control (40%), roguing of mosaic infected plants (37%) and high plant density of 110000 plants/ha (23%).”
e1“cow pea growth, yield and seed quality”
e2“cow pea severe mosaic virus”
Claim · model-written summary
High plant density of 110000 plants/ha significantly increased yield by 23%.
- Taxon
- cow peaVigna unguiculatae1
- Treatment
- high plant density of 110000 plants/hae0
- Outcome
- yielde0
- Direction
- increasese0
- Value
- 23%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Other inputs resulting in significant yield increases were, in order of magnitude, weed control (40%), roguing of mosaic infected plants (37%) and high plant density of 110000 plants/ha (23%).”
e1“cow pea growth, yield and seed quality”
Claim · model-written summary
Fertilizer did not significantly increase cow pea yield.
- Taxon
- cow peaVigna unguiculatae1
- Treatment
- fertilizer treatmente0
- Outcome
- yielde0
- Direction
- did not significantly increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A fertilizer treatment did not significantly increase yield.”
e1“cow pea growth, yield and seed quality”
Claim · model-written summary
Authors recommend insect control with improved cultivar, high density, herbicide and roguing for high yields and quality.
- Taxon
- cow peaVigna unguiculatae0
- Outcome
- adoption of the insect control treatment by farmers in their cultivation of an improved cultivar sown at high plant density, the use of herbicide and roguing of mosaic infected plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results suggest that adoption of the insect control treatment by farmers in their cultivation of an improved cultivar sown at high plant density, the use of herbicide and roguing of mosaic infected plants have practical potential and would be economically justified for the production of high yields and good quality ‘yellow shell’ pods of vegetable cow pea for processing.”
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See all 292 papers →sanitation · yield · Vigna unguiculata (cowpea)Results agree
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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.