Abstract
Salinity is one of the most important problems in subtropical and tropical regions in the world, and it is a main factor limiting growth of plants. Regarding the existence of salinity in Khuzestan, a project was done to study the effects of various salts with different salinity levels on the germination and the growth of cowpea seedling in order to discover possible ways to increase its germination in salty soil. This test was done in a Completely Randomized Design with 3 replications in the Faculty of Agriculture, Laboratory of Shahid Chamran University of Ahvaz in 2010. The scholars considered the effects of NaCo3, NaHCo3, CaCl2, NaCl (with 2,4,6 & 8 ds/m) and the distilled water as a control sample on percent (Gp) and the rate (Gr) of seed germination and also the length (Rl, Pl), cowpea seedlings, fresh and dry weight (Fwr, Fwp, Dwr, Dwp). The result showed that all of the growth indices usually decrease when the amount of salt increase (p < 0.05), but cowpea seed can bear on this salt with density to 8 ds/m (except NaHCo3).With regard to results, we can conclude that cowpea cultivar is sensitive to salinity, so we suggested that making soil test to determine salinity before cultivating cowpeas in the farms of these areas.
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Claims 4
Claim · model-written summary
Growth indices of cowpea decreased significantly as salt amount increased, compared with distilled water
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- amount of salte1
- Outcome
- growth indicese1
- Direction
- decreasee1
- Comparator
- distilled watere0
- Setting
- Khuzestane5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cowpea (Vigna unguiculata L. Walp)”
e0“NaCo3, NaHCo3, CaCl2, NaCl (with 2,4,6 & 8 ds/m) and the distilled water as a control sample”
e1“all of the growth indices usually decrease when the amount of salt increase (p < 0.05)”
e5“Regarding the existence of salinity in Khuzestan”
Claim · model-written summary
Cowpea seed can bear the salt up to 8 ds/m, except NaHCO3
- Taxon
- cowpeaVigna unguiculatae2
- Outcome
- can bear on this salte2
- Value
- 8 ds/me2
- Qualifier
- except NaHCo3e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cowpea (Vigna unguiculata L. Walp)”
e2“cowpea seed can bear on this salt with density to 8 ds/m (except NaHCo3)”
Claim · model-written summary
The cowpea cultivar tested is sensitive to salinity
- Taxon
- cowpea cultivarVigna unguiculatae3
- Outcome
- sensitive to salinitye3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cowpea (Vigna unguiculata L. Walp)”
e3“cowpea cultivar is sensitive to salinity”
Claim · model-written summary
Soil testing for salinity before cultivating cowpeas in the farms of these areas is recommended
- Taxon
- cowpeasVigna unguiculatae4
- Outcome
- making soil test to determine salinitye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cowpea (Vigna unguiculata L. Walp)”
e4“making soil test to determine salinity before cultivating cowpeas in the farms of these areas”
The same questions in other papers
salinity · growth · Vigna unguiculata (cowpea)Results differ
56 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- positive
59 papers more in this group
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.