Abstract
Tow field trials were conducted at Vegetable Research Farm of Horticultural Research Institute, Kaha, Kaluobia Governorate during two successive summer seasons of 2001 and 2002 to study the effect of plant spacing (10, 20 and 30 cm) and foliar application with potassium (0, 1, 2, 3 cm/l) on growth, seed yield and quality of cowpea cultivars i.e. Kafr EI-Sheikh (1) and Kaha (1). Obtained results could be summarized as follow: 1- Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv. in all measurement growth characters, i.e. plant height, number of branches and leaves, leaf area, fresh and dry weight of plants, also in seed yield and its components expressed as number and weight of pods, number of seeds per pod, 100-seed weight (seed index), seed yield per plant and per feddan, produced 35.2 and 39.6% seed yield more than the other cultivar in the two seasons, respectively and gave the highest values of germination (%), seedling length and protein (%) in dry seed. 2- All vegetative growth traits recorded higher values in wider spacing 20 or 30 cm except plant height which was maximum under closer spacing (10 ern). Also, all seed yield components characters were enhanced with increasing plant spacing except seed yieldlfeddan which was maximum under narrow spacing, as well as, seed quality characters except germination speed recorded higher values under wider spacing compared to closer spacing. 3- Spraying cowpea plants with potassium increased plant growth characters, seed yield and its components, germination percentage. seedling length and protein (%) in seed. Using potassium at (2 cm/l) was the most effective treatment for all studied characters. 4- Interaction effect of cultivars, plant spacing and potassium were differed for all studied characteristics. In general, it may be recommended to grow the used cultivars under closer spacing (10 ern) and spraying plants with foliar application of potassium at (2 cm/l) to obtain the highest seed yieldlfeddan as well as seed quality ..
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Claims 19
Claim · model-written summary
Kafr EI-Sheikh (1) exceeded Kaha (1) for vegetative growth characters.
- Taxon
- cowpea
Vigna unguiculatae1 - Material
- Kafr EI-Sheikh (1)e0
- Outcome
- plant height, number of branches and leaves, leaf areae0
- Direction
- surpassede0
- Comparator
- Kaha (1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv. in all measurement growth characters, i.e. plant height, number of branches and leaves, leaf area, fresh and dry weight of plants”
e1“cowpea cultivars”
Claim · model-written summary
Kafr EI-Sheikh (1) exceeded Kaha (1) in plant fresh and dry weight.
- Taxon
- cowpea
Vigna unguiculatae1 - Material
- Kafr EI-Sheikh (1)e0
- Outcome
- fresh and dry weight of plantse0
- Direction
- surpassede0
- Comparator
- Kaha (1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv. in all measurement growth characters, i.e. plant height, number of branches and leaves, leaf area, fresh and dry weight of plants”
e1“cowpea cultivars”
Claim · model-written summary
Kafr EI-Sheikh (1) exceeded Kaha (1) in pod number, pod weight, and seeds per pod.
- Taxon
- cowpea
Vigna unguiculatae1 - Material
- Kafr EI-Sheikh (1)e0
- Outcome
- number and weight of pods, number of seeds per pode0
- Direction
- surpassede0
- Comparator
- Kaha (1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv. in all measurement growth characters, i.e. plant height, number of branches and leaves, leaf area, fresh and dry weight of plants, also in seed yield and its components expressed as number and weight of pods, number of seeds per pod, 100-seed weight (seed index), seed yield per plant and per feddan”
e1“cowpea cultivars”
Claim · model-written summary
Kafr EI-Sheikh (1) exceeded Kaha (1) in 100-seed weight and seed yield per plant.
- Taxon
- cowpea
Vigna unguiculatae1 - Material
- Kafr EI-Sheikh (1)e0
- Outcome
- 100-seed weight (seed index), seed yield per plante0
- Direction
- surpassede0
- Comparator
- Kaha (1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv. in all measurement growth characters, i.e. plant height, number of branches and leaves, leaf area, fresh and dry weight of plants, also in seed yield and its components expressed as number and weight of pods, number of seeds per pod, 100-seed weight (seed index), seed yield per plant and per feddan”
e1“cowpea cultivars”
Claim · model-written summary
Kafr EI-Sheikh (1) produced 35.2% more seed yield than Kaha (1) in the first season.
- Taxon
- cowpea
Vigna unguiculatae2 - Material
- Kafr EI-Sheikh (1)e1
- Outcome
- seed yielde0
- Direction
- moree0
- Value
- 35.2e0
- Qualifier
- two seasonse0
- Comparator
- Kaha (1)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“produced 35.2 and 39.6% seed yield more than the other cultivar in the two seasons, respectively”
e1“Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv.”
e2“cowpea cultivars”
Claim · model-written summary
Kafr EI-Sheikh (1) produced 39.6% more seed yield than Kaha (1) in the second season.
- Taxon
- cowpea
Vigna unguiculatae2 - Material
- Kafr EI-Sheikh (1)e1
- Outcome
- seed yielde0
- Direction
- moree0
- Value
- 39.6%e0
- Comparator
- Kaha (1)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“produced 35.2 and 39.6% seed yield more than the other cultivar in the two seasons, respectively”
e1“Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv.”
e2“cowpea cultivars”
Claim · model-written summary
Kafr EI-Sheikh (1) had the highest germination, seedling length, and seed protein.
- Taxon
- cowpea
Vigna unguiculatae2 - Material
- Kafr EI-Sheikh (1)e1
- Outcome
- germination (%), seedling length and protein (%) in dry seede0
- Direction
- higheste0
- Comparator
- Kaha (1)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“gave the highest values of germination (%), seedling length and protein (%) in dry seed”
e1“Kafr EI-Sheikh (1) cv. surpassed Kaha (1) cv.”
e2“cowpea cultivars”
Claim · model-written summary
Wider spacing of 20 or 30 cm increased vegetative growth traits except height.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- wider spacing 20 or 30 cme0
- Outcome
- vegetative growth traitse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“All vegetative growth traits recorded higher values in wider spacing 20 or 30 cm except plant height”
e1“cowpea plants”
Claim · model-written summary
The closest spacing gave maximum plant height.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- closer spacing (10 ern)e0
- Outcome
- plant heighte0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“plant height which was maximum under closer spacing (10 ern)”
e1“cowpea plants”
Claim · model-written summary
Increasing plant spacing enhanced seed yield components other than yield per feddan.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- increasing plant spacinge0
- Outcome
- seed yield components characterse0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“all seed yield components characters were enhanced with increasing plant spacing except seed yieldlfeddan”
e1“cowpea plants”
Claim · model-written summary
Narrow spacing gave maximum seed yield per feddan.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- narrow spacinge0
- Outcome
- seed yieldlfeddane0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“seed yieldlfeddan which was maximum under narrow spacing”
e1“cowpea plants”
Claim · model-written summary
Wider spacing improved seed quality characters other than germination speed.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- wider spacinge0
- Outcome
- seed quality characters except germination speede0
- Direction
- highere0
- Comparator
- closer spacinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“seed quality characters except germination speed recorded higher values under wider spacing compared to closer spacing”
e1“cowpea plants”
Claim · model-written summary
Foliar potassium increased cowpea plant growth characters.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- Spraying cowpea plants with potassiume0
- Outcome
- plant growth characterse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Spraying cowpea plants with potassium increased plant growth characters, seed yield and its components, germination percentage. seedling length and protein (%) in seed”
Claim · model-written summary
Foliar potassium increased cowpea seed yield and components.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- Spraying cowpea plants with potassiume0
- Outcome
- seed yield and its componentse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Spraying cowpea plants with potassium increased plant growth characters, seed yield and its components, germination percentage. seedling length and protein (%) in seed”
Claim · model-written summary
Foliar potassium increased cowpea germination percentage and seedling length.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- Spraying cowpea plants with potassiume0
- Outcome
- germination percentage. seedling lengthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Spraying cowpea plants with potassium increased plant growth characters, seed yield and its components, germination percentage. seedling length and protein (%) in seed”
Claim · model-written summary
Foliar potassium increased cowpea seed protein.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- Spraying cowpea plants with potassiume0
- Outcome
- protein (%) in seede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Spraying cowpea plants with potassium increased plant growth characters, seed yield and its components, germination percentage. seedling length and protein (%) in seed”
Claim · model-written summary
Potassium at 2 cm/l was the most effective tested dose across characteristics.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- potassium at (2 cm/l)e0
- Outcome
- most effective treatmente0
- Direction
- most effectivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Using potassium at (2 cm/l) was the most effective treatment for all studied characters”
e1“cowpea plants”
Claim · model-written summary
Cultivar, spacing, and potassium interacted differently across measured characteristics.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- plant spacing and potassiume0
- Outcome
- all studied characteristicse0
- Direction
- differede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Interaction effect of cultivars, plant spacing and potassium were differed for all studied characteristics”
e1“cowpea plants”
Claim · model-written summary
The authors recommend 10 ern spacing with 2 cm/l foliar potassium for yield and seed quality.
- Taxon
- cowpea
Vigna unguiculatae1 - Outcome
- grow the used cultivars under closer spacing (10 ern) and spraying plants with foliar application of potassium at (2 cm/l)e0
- Qualifier
- highest seed yieldlfeddan as well as seed qualitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“it may be recommended to grow the used cultivars under closer spacing (10 ern) and spraying plants with foliar application of potassium at (2 cm/l) to obtain the highest seed yieldlfeddan as well as seed quality”
e1“cowpea plants”
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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.