Abstract
Carrot (Daucus carota L.) is a horticulture crop species with economic importance. The performance of this crop can be improved with the use of seaweed extracts, which are a sustainable alternative to chemical fertilizers and biostimulants. Few studies have been performed aiming to determine the effects of algae-based biostimulants, especially red algae of the genus Solieria, on seed treatment and physiology. This study aimed to evaluate the effect of seed treatment with Solieria filiformis algal biostimulant for improving the physiological potential of carrot seeds of Brasilia Irecê and Nantes cultivars. Carrot seeds of both cultivars were treated with 0, 1, 2, and 4 mL L−1 of the biostimulant, after which they were subjected to germination and seedling growth evaluation at different temperatures and salinities. The results were analyzed by analysis of variance, Tukey’s test, and regression. It was observed that 30 °C temperature reduced carrot germination and seedling growth for the cultivars. No dose of red algae biostimulant improved germination of carrot seeds under both adequate and stress conditions of temperature and salinity for the cultivars analyzed.
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Claims 3
Claim · model-written summary
At 30 °C, carrot germination declined.
- Taxon
- carrot
Daucus carotae0 - Material
- the cultivarse0
- Treatment
- 30 °C temperaturee0
- Outcome
- carrot germinatione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“30 °C temperature reduced carrot germination and seedling growth for the cultivars.”
Claim · model-written summary
At 30 °C, carrot seedling growth declined.
- Taxon
- carrotDaucus carotae0
- Treatment
- 30 °C temperaturee0
- Outcome
- seedling growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“30 °C temperature reduced carrot germination and seedling growth for the cultivars.”
Claim · model-written summary
No tested red algae biostimulant dose improved carrot seed germination across adequate and temperature or salinity stress conditions.
- Taxon
- carrotDaucus carotae0
- Treatment
- red algae biostimulante0
- Outcome
- germination of carrot seedse0
- Direction
- No dose of red algae biostimulant improvede0
- Qualifier
- under both adequate and stress conditions of temperature and salinitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No dose of red algae biostimulant improved germination of carrot seeds under both adequate and stress conditions of temperature and salinity for the cultivars analyzed.”
The same questions in other papers
Rhodophyta · growth · Daucus carota (carrot)Results agree
1 paper in the same direction as this paper
- no effect
other · growth · Daucus carota (carrot)Positive and negative results
2 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- positive
5 papers more in this group
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.