Abstract
Agricultural production in semi-arid regions is limited due to water availability. In addition, the water quality available for irrigation is often compromised due to the high salt content present. Millet is a forage species considered tolerant to water deficit and moderately salt tolerant. In view of the above, the objective was to evaluate the growth of millet under water and saline stress associates. The experiment was carried out in a randomized block design, in a 4x3 factorial scheme, composed of four levels of water replacement, based on crop evapotranspiration (ETc): 25%.ETc, 50%.ETc, 75%.ETc and 100%.ETc and three levels of water salinity (0.03, 2.0 and 4.0 dS m-1). With 25%.ETc independent of salinity, all morphological characteristics of millet were affected, occurring death of plants in the initial growth phase. In the absence of salt and greater availability of water, greater plant growth occurred. With respect to salinity, there was a reduction in the increment of all variables evaluated, with the highest reduction at the highest saline level (4.0 dS m-1). Water and salt stresses, when associated, reduce the growth of millet, since concentrations above 2.0 dS m-1 and less than 50%.ETc compromise its full development, providing declines in yield.
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Claims 7
Claim · model-written summary
At 25%.ETc, millet morphology was affected regardless of salinity.
- Taxon
- millete0
- Treatment
- 25%.ETce0
- Outcome
- all morphological characteristics of millete0
- Qualifier
- independent of salinitye0
Not reportedComparatorDirection
Verbatim
e0“With 25%.ETc independent of salinity, all morphological characteristics of millet were affected, occurring death of plants in the initial growth phase.”
Claim · model-written summary
At 25%.ETc, millet plants died during initial growth regardless of salinity.
- Taxon
- millete0
- Treatment
- 25%.ETce0
- Outcome
- death of plants in the initial growth phasee0
- Qualifier
- independent of salinitye0
Not reportedComparatorDirection
Verbatim
e0“With 25%.ETc independent of salinity, all morphological characteristics of millet were affected, occurring death of plants in the initial growth phase.”
Claim · model-written summary
Plant growth was greater without salt and with more water.
- Taxon
- Pennisetum glaucum
Cenchrus americanust0 - Treatment
- absence of salt and greater availability of watere0
- Outcome
- plant growthe0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the absence of salt and greater availability of water, greater plant growth occurred.”
t0“Pennisetum glaucum”
Claim · model-written summary
Salinity reduced increments across all evaluated variables, most at 4.0 dS m-1.
- Taxon
- Pennisetum glaucumCenchrus americanust0
- Treatment
- salinitye0
- Outcome
- increment of all variables evaluatede0
- Direction
- reductione0
- Qualifier
- highest saline level (4.0 dS m-1)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With respect to salinity, there was a reduction in the increment of all variables evaluated, with the highest reduction at the highest saline level (4.0 dS m-1).”
t0“Pennisetum glaucum”
Claim · model-written summary
Combined water and salt stresses reduced millet growth.
- Taxon
- millete0
- Treatment
- Water and salt stresses, when associatede0
- Outcome
- growth of millete0
- Direction
- reducee0
Not reportedComparator
Verbatim
e0“Water and salt stresses, when associated, reduce the growth of millet, since concentrations above 2.0 dS m-1 and less than 50%.ETc compromise its full development, providing declines in yield.”
Claim · model-written summary
Salinity above 2.0 dS m-1 and water replacement below 50%.ETc compromised full millet development.
- Taxon
- millete0
- Treatment
- concentrations above 2.0 dS m-1 and less than 50%.ETce0
- Outcome
- full developmente0
- Direction
- compromisee0
Not reportedComparator
Verbatim
e0“Water and salt stresses, when associated, reduce the growth of millet, since concentrations above 2.0 dS m-1 and less than 50%.ETc compromise its full development, providing declines in yield.”
Claim · model-written summary
Combined severe salinity and low water replacement reduced millet yield.
- Taxon
- millete0
- Treatment
- concentrations above 2.0 dS m-1 and less than 50%.ETce0
- Outcome
- yielde0
- Direction
- declinese0
Not reportedComparator
Verbatim
e0“Water and salt stresses, when associated, reduce the growth of millet, since concentrations above 2.0 dS m-1 and less than 50%.ETc compromise its full development, providing declines in yield.”
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salinity · growth · Cenchrus americanus (pearl millet)Positive and negative results
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