Abstract
ABSTRACT Cowpea is the third most cultivated legume in the world, and its cultivation can be intended for both grains and seeds. Plants intended for seed production, when exposed to water deficit, may compromise their physical and physiological quality, necessitating the development of strategies to minimize their damage, such as the application of salicylic acid and HumigelPlus® polymer. The objective of this study was to evaluate salicylic acid and HumigelPlus® polymer concentrations to reduce the effects of water deficit on the physical and physiological quality of cowpea seeds. The landrace cowpea seeds used in this study were sourced from two field experiments (Summer and spring). The treatments consisted of five concentrations of salicylic acid (0, 0.29, 1, 1.71, and 2 mM) and five concentrations of HumigelPlus® polymer (0, 0.29, 1, 1.71, and 2%) combined according to the Central Composite Design and a control group (absence of water deficit and application of salicylic acid and HumigelPlus® polymer). The values of electrical conductivity, germination, emergence, weight, and water content of cowpea seeds were higher with the application of salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2, regardless of the season. The application of salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2, both in summer and spring cultivation, reduces the effects of water deficit on the physical and physiological quality of cowpea seeds.
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Claims 3
Claim · model-written summary
The treatments raised cowpea seed electrical conductivity, germination and emergence across seasons.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2e0
- Outcome
- electrical conductivity, germination, emergencee0
- Direction
- highere0
- Qualifier
- regardless of the seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The values of electrical conductivity, germination, emergence, weight, and water content of cowpea seeds were higher with the application of salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2, regardless of the season”
Claim · model-written summary
The treatments raised cowpea seed weight and water content across seasons.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2e0
- Outcome
- weight, and water contente0
- Direction
- highere0
- Qualifier
- regardless of the seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The values of electrical conductivity, germination, emergence, weight, and water content of cowpea seeds were higher with the application of salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2, regardless of the season”
Claim · model-written summary
Combined salicylic acid and polymer application reduced water-deficit effects on cowpea seed quality in summer and spring.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2e0
- Outcome
- physical and physiological quality of cowpea seedse0
- Direction
- reducese0
- Qualifier
- both in summer and spring cultivatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of salicylic acid (mM) and HumigelPlus® polymer (%) concentrations between 0.29 and 2, both in summer and spring cultivation, reduces the effects of water deficit on the physical and physiological quality of cowpea seeds”
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- positive
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.