Abstract
Abstract Rocket salads ( Diplotaxis spp. and Eruca spp.) are leafy vegetables appreciated for their typical taste and nutritional value. When exposed to salt stress, these plants undergo morpho-physiological and metabolic changes. The aim of the study was to investigate the efficacy of a “root-promoting biostimulant” (Radifarm ® ) applied during germination (Experiment 1) and during the growth cycle (Experiment 2) on two rocket species under salt stress. Experiment 1 explored if Radifarm ® can protect seed from salt stress in early-stage development. Different salt levels (0, 150 and 200 mM NaCl) were combined with different Radifarm ® concentrations (0, 0.5, 1, 2.5, 5 mL L − 1 ). Experiment 2 investigated how Radifarm ® can promote plant growth after transplantation when irrigated with saline water (0, 150, and 200 mM NaCl) until harvest. Experiment 1 showed that salt stress significantly affected the germination of rocket salads. The addition of Radifarm ® did not improve the germination of D. tenuifolia grown under any salt conditions, but it was beneficial for E. sativa when the highest level of Radifarm ® was applied. In Experiment 2, the application of Radifarm ® significantly reduced the symptoms of salt stress in both species. In E. sativa , salt stress affected all growth parameters (plant height, leaf number and area). However, under 200 mM NaCl, plants fully recovered when Radifarm ® was applied. The same recovery was observed for chlorophyll content in both species. Radifarm ® also contributed to increase protein and lipid content compared to plants under salt stress. This study showed that Radifarm ® was able to protect both species from salt stress.
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Claims 9
Claim · model-written summary
Salt stress significantly affected rocket salad germination.
Not reportedComparatorDirection
Verbatim
e0“salt stress significantly affected the germination of rocket salads.”
Claim · model-written summary
Radifarm did not improve D. tenuifolia germination under salt conditions.
- Taxon
- D. tenuifolia
Diplotaxis tenuifoliae0 - Treatment
- Radifarm ®e0
- Outcome
- germinatione0
- Direction
- did not improvee0
- Qualifier
- under any salt conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The addition of Radifarm ® did not improve the germination of D. tenuifolia grown under any salt conditions”
Claim · model-written summary
At its highest level, Radifarm benefited E. sativa germination under salt conditions.
- Taxon
- E. sativa
Eruca vesicaria subsp. sativae0 - Treatment
- Radifarm ®e0
- Outcome
- beneficiale0
- Qualifier
- highest levele0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but it was beneficial for E. sativa when the highest level of Radifarm ® was applied.”
Claim · model-written summary
Radifarm significantly reduced salt stress symptoms in both rocket species.
Not reportedComparator
Verbatim
e0“the application of Radifarm ® significantly reduced the symptoms of salt stress in both species.”
t0“Rocket Salads”
Claim · model-written summary
Salt stress affected E. sativa height, leaf number and leaf area.
- Taxon
- E. sativaEruca vesicaria subsp. sativae0
- Treatment
- salt stresse0
- Outcome
- plant height, leaf number and areae0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In E. sativa , salt stress affected all growth parameters (plant height, leaf number and area).”
Claim · model-written summary
With Radifarm, E. sativa plants fully recovered under 200 mM NaCl.
- Taxon
- E. sativaEruca vesicaria subsp. sativat0
- Treatment
- Radifarm ®e0
- Outcome
- plants fully recoverede0
- Qualifier
- under 200 mM NaCle0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, under 200 mM NaCl, plants fully recovered when Radifarm ® was applied.”
t0“E. sativa , salt stress”
Claim · model-written summary
Radifarm restored chlorophyll content in both species under salt stress.
Not reportedTreatmentComparator
Verbatim
e0“The same recovery was observed for chlorophyll content in both species.”
t0“Rocket Salads”
Claim · model-written summary
Radifarm increased protein content relative to salt-stressed plants.
Verbatim
e0“Radifarm ® also contributed to increase protein and lipid content compared to plants under salt stress.”
t0“Rocket Salads”
Claim · model-written summary
Radifarm increased lipid content relative to salt-stressed plants.
Verbatim
e0“Radifarm ® also contributed to increase protein and lipid content compared to plants under salt stress.”
t0“Rocket Salads”
The same questions in other papers
salinity · growth · Eruca vesicariaPositive and negative results
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See all 9 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.