Abstract
ABSTRACT Salt stress negatively affects plant development, mainly in arid and semiarid regions, promoting changes in their physiology and productivity. The objective of this study was to evaluate the germinative potential of creole maize (Zea mays L.) and fava bean (Phaseolus lunatus L.) seeds under different salt stress conditions. The seeds were collected in rural areas of the municipalities of Guanambi, Candiba, and Brumado, which are within the Serra Geral region in the state of Bahia, Brazil. A completely randomized experimental design was used; the treatments consisted of three salts (CaCl2, MgCl2, and NaCl) and four salinity levels (osmotic potentials of -0.3, -0.9, and -1.2 MPa). Seed physical analyses included moisture and purity, and physiological analyses included germination percentage, germination speed index, average germination time, and relative germination frequency. The storage of creole maize and fava bean seeds in plastic bottles and under adequate humidity ensures that seeds will have moisture content and physical purity within ideal values. Salt stresses induced by NaCl and CaCl2 salts at osmotic potentials of -0.3 to -1.2 MPa hinder the creole maize and fava bean seed germination, and their germination are null for both salts at osmotic potentials lower than -0.3 MPa. The creole maize and fava bean seeds show germination of 70% under salt stress induced by MgCl2 at osmotic potential of -0.3 MPa, making the germination of both species viable.
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Claims 8
Claim · model-written summary
Stored creole maize seeds had moisture content and physical purity within ideal values.
Verbatim
e0“The storage of creole maize and fava bean seeds in plastic bottles and under adequate humidity ensures that seeds will have moisture content and physical purity within ideal values.”
Claim · model-written summary
Stored fava bean seeds had moisture content and physical purity within ideal values.
- Taxon
- fava bean
Vicia fabae0 - Outcome
- moisture content and physical purity within ideal valuese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The storage of creole maize and fava bean seeds in plastic bottles and under adequate humidity ensures that seeds will have moisture content and physical purity within ideal values.”
Claim · model-written summary
NaCl salt stress hindered creole maize germination; below -0.3 MPa germination was null.
- Taxon
- creole maizee0
- Treatment
- NaCle0
- Outcome
- seed germinatione0
- Direction
- hindere0
- Qualifier
- osmotic potentials lower than -0.3 MPae0
Not reportedComparator
Verbatim
e0“Salt stresses induced by NaCl and CaCl2 salts at osmotic potentials of -0.3 to -1.2 MPa hinder the creole maize and fava bean seed germination, and their germination are null for both salts at osmotic potentials lower than -0.3 MPa.”
Claim · model-written summary
CaCl2 salt stress hindered creole maize germination; below -0.3 MPa germination was null.
Not reportedComparator
Verbatim
e0“Salt stresses induced by NaCl and CaCl2 salts at osmotic potentials of -0.3 to -1.2 MPa hinder the creole maize and fava bean seed germination, and their germination are null for both salts at osmotic potentials lower than -0.3 MPa.”
Claim · model-written summary
NaCl salt stress hindered fava bean germination; below -0.3 MPa germination was null.
- Taxon
- fava beanVicia fabae0
- Treatment
- NaCle0
- Outcome
- seed germinatione0
- Direction
- hindere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stresses induced by NaCl and CaCl2 salts at osmotic potentials of -0.3 to -1.2 MPa hinder the creole maize and fava bean seed germination, and their germination are null for both salts at osmotic potentials lower than -0.3 MPa.”
Claim · model-written summary
CaCl2 salt stress hindered fava bean germination; below -0.3 MPa germination was null.
- Taxon
- fava beanVicia fabae0
- Treatment
- CaCl2e0
- Outcome
- seed germinatione0
- Direction
- hindere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stresses induced by NaCl and CaCl2 salts at osmotic potentials of -0.3 to -1.2 MPa hinder the creole maize and fava bean seed germination, and their germination are null for both salts at osmotic potentials lower than -0.3 MPa.”
Claim · model-written summary
Creole maize germination under MgCl2 at -0.3 MPa was 70%.
Verbatim
e0“The creole maize and fava bean seeds show germination of 70% under salt stress induced by MgCl2 at osmotic potential of -0.3 MPa”
Claim · model-written summary
Fava bean germination under MgCl2 at -0.3 MPa was 70%.
- Taxon
- fava beanVicia fabae0
- Treatment
- MgCl2e0
- Outcome
- germinatione0
- Value
- 70%e0
- Qualifier
- osmotic potential of -0.3 MPae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The creole maize and fava bean seeds show germination of 70% under salt stress induced by MgCl2 at osmotic potential of -0.3 MPa”
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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.