Abstract
A field experiment was conducted for two successive rainy seasons (2007/08-2008/09) in Kazgail area, in North Kordofan State, Sudan, to examine the effect of plant density and cultivar on growth and yield of cowpea. The three cultivars of cowpea (Buff, Haydoob and Eien Elgazal) were sown in four plant densities of 30,000, 60,000, 90,000 and 120,000 plants ha -1 . The experiment was laid out in a randomized complete block design (RCBD) in three replications. The results showed that, plant density had a significant effect on most of the growth attributes measured. Increasing plant population increased plant height and decreased number of leaves per plant and leaf area index (LAI). Increased plant density significantly increased seed yield per unit area, however the number of pods per plant, 100-seed weight, seed yield per plant and harvest index reduced with increased plant density. The local cultivar (buff) had a significantly taller, greater number of leaves per plant, leaf area index, heavier 100-seed weight, greater seed yield per plant, greater final seed yield (t/ha) and late in maturity. The improved cultivar (Ein Elgazal) scored the highest values of harvest index.
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Claims 10
Claim · model-written summary
Plant density significantly affected most growth attributes.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- plant densitye0
- Outcome
- growth attributese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“plant density had a significant effect on most of the growth attributes measured.”
t0“cowpea”
Claim · model-written summary
Higher plant population increased plant height.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- Increasing plant populatione0
- Outcome
- plant heighte0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Increasing plant population increased plant height and decreased number of leaves per plant and leaf area index (LAI).”
t0“cowpea”
Claim · model-written summary
Higher plant population decreased leaf number and leaf area index.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- Increasing plant populatione0
- Outcome
- number of leaves per plant and leaf area index (LAI)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Increasing plant population increased plant height and decreased number of leaves per plant and leaf area index (LAI).”
t0“cowpea”
Claim · model-written summary
Higher density significantly increased seed yield per unit area.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- Increased plant densitye0
- Outcome
- seed yield per unit areae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Increased plant density significantly increased seed yield per unit area”
t0“cowpea”
Claim · model-written summary
Higher density reduced pod number and 100-seed weight.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- increased plant densitye0
- Outcome
- number of pods per plant, 100-seed weighte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the number of pods per plant, 100-seed weight, seed yield per plant and harvest index reduced with increased plant density.”
t0“cowpea”
Claim · model-written summary
Higher density reduced seed yield per plant and harvest index.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- increased plant densitye0
- Outcome
- seed yield per plant and harvest indexe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the number of pods per plant, 100-seed weight, seed yield per plant and harvest index reduced with increased plant density.”
t0“cowpea”
Claim · model-written summary
Buff had greater height, leaf number and leaf area index.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- buffe0
- Outcome
- taller, greater number of leaves per plant, leaf area indexe0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The local cultivar (buff) had a significantly taller, greater number of leaves per plant, leaf area index, heavier 100-seed weight, greater seed yield per plant, greater final seed yield (t/ha) and late in maturity.”
t0“cowpea”
Claim · model-written summary
Buff had heavier 100-seed weight and greater per-plant and final seed yield.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- buffe0
- Outcome
- 100-seed weight, greater seed yield per plant, greater final seed yield (t/ha)e0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The local cultivar (buff) had a significantly taller, greater number of leaves per plant, leaf area index, heavier 100-seed weight, greater seed yield per plant, greater final seed yield (t/ha) and late in maturity.”
t0“cowpea”
Claim · model-written summary
Buff matured later.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- buffe0
- Outcome
- maturitye0
- Direction
- latee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The local cultivar (buff) had a significantly taller, greater number of leaves per plant, leaf area index, heavier 100-seed weight, greater seed yield per plant, greater final seed yield (t/ha) and late in maturity.”
t0“cowpea”
Claim · model-written summary
Ein Elgazal had the highest harvest index.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- Ein Elgazale0
- Outcome
- harvest indexe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The improved cultivar (Ein Elgazal) scored the highest values of harvest index.”
t0“cowpea”
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See all 63 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.