Abstract
ABSTRACT Salinity is one of the main causes of crop yield decline in arid and semi-arid regions, requiring the use of tolerant species that allow cultivation in these areas. The objective of this study was to determine the emergence, initial growth and tolerance of pepper species irrigated with saline waters. The experiment was conducted in a protected environment (greenhouse), with a 5 x 3 factorial scheme, using four replicates of 30 seeds each. The experimental design was a completely randomized design, involving five irrigation water salinity levels (0.6, 1.2, 1.8, 2.4 and 3.0 dS m-1) and three species of pepper [E1 - Capsicum annuum (“Doce Comprida”); E2 - Capsicum frutescens (“Malagueta”); E3 - Capsicum chinense (“De Bico”)]. Pepper seedlings were grown in trays of 30 cells with a capacity of 0.1 dm3 of substrate. During the first 30 days after sowing, seedlings were monitored for emergence, initial growth and dry matter accumulation. As the salinity of the irrigation water increased, there was a reduction in the emergence, growth and phytomass accumulation of C. annuum, C. frutescens and C. chinense peppers. These species tolerate saline waters of up to 1.78, 2.71 and 1.55 dS m-1 respectively, in the initial development phase, with C. frutescens being the most tolerant to saline stress, and C. chinense the most sensitive.
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Claims 8
Claim · model-written summary
C. annuum emergence, growth and phytomass accumulation declined with increasing irrigation water salinity.
- Taxon
- C. annuum
Capsicum annuume0 - Treatment
- salinity of the irrigation watere0
- Outcome
- emergence, growth and phytomass accumulatione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As the salinity of the irrigation water increased, there was a reduction in the emergence, growth and phytomass accumulation of C. annuum, C. frutescens and C. chinense peppers.”
Claim · model-written summary
C. frutescens emergence, growth and phytomass accumulation declined with increasing irrigation water salinity.
- Taxon
- C. frutescens
Capsicum frutescense0 - Treatment
- salinity of the irrigation watere0
- Outcome
- emergence, growth and phytomass accumulatione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As the salinity of the irrigation water increased, there was a reduction in the emergence, growth and phytomass accumulation of C. annuum, C. frutescens and C. chinense peppers.”
Claim · model-written summary
C. chinense emergence, growth and phytomass accumulation declined with increasing irrigation water salinity.
- Taxon
- C. chinense
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Capsicum chinensee0 - Treatment
- salinity of the irrigation watere0
- Outcome
- emergence, growth and phytomass accumulatione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“As the salinity of the irrigation water increased, there was a reduction in the emergence, growth and phytomass accumulation of C. annuum, C. frutescens and C. chinense peppers.”
Claim · model-written summary
C. annuum tolerated salinity up to 1.78 dS m-1 during initial development.
- Taxon
- C. annuumCapsicum annuume1
- Organ / stage
- initial development phasee0
- Outcome
- tolerate saline waterse0
- Value
- 1.78, 2.71 and 1.55 dS m-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These species tolerate saline waters of up to 1.78, 2.71 and 1.55 dS m-1 respectively, in the initial development phase, with C. frutescens being the most tolerant to saline stress, and C. chinense the most sensitive.”
e1“C. annuum, C. frutescens and C. chinense peppers.”
Claim · model-written summary
C. frutescens tolerated salinity up to 2.71 dS m-1 during initial development.
- Taxon
- C. frutescensCapsicum frutescense0
- Organ / stage
- initial development phasee0
- Outcome
- tolerate saline waterse0
- Value
- 1.78, 2.71 and 1.55 dS m-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These species tolerate saline waters of up to 1.78, 2.71 and 1.55 dS m-1 respectively, in the initial development phase, with C. frutescens being the most tolerant to saline stress, and C. chinense the most sensitive.”
Claim · model-written summary
C. chinense tolerated salinity up to 1.55 dS m-1 during initial development.
- Taxon
- C. chinenseCapsicum chinensee0
- Organ / stage
- initial development phasee0
- Outcome
- tolerate saline waterse0
- Value
- 1.78, 2.71 and 1.55 dS m-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These species tolerate saline waters of up to 1.78, 2.71 and 1.55 dS m-1 respectively, in the initial development phase, with C. frutescens being the most tolerant to saline stress, and C. chinense the most sensitive.”
Claim · model-written summary
C. frutescens was the most salt tolerant pepper.
- Taxon
- C. frutescensCapsicum frutescense0
- Outcome
- most tolerant to saline stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These species tolerate saline waters of up to 1.78, 2.71 and 1.55 dS m-1 respectively, in the initial development phase, with C. frutescens being the most tolerant to saline stress, and C. chinense the most sensitive.”
Claim · model-written summary
C. chinense was the most salt sensitive pepper.
- Taxon
- C. chinenseCapsicum chinensee0
- Outcome
- most sensitivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These species tolerate saline waters of up to 1.78, 2.71 and 1.55 dS m-1 respectively, in the initial development phase, with C. frutescens being the most tolerant to saline stress, and C. chinense the most sensitive.”
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See all 6 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.