Abstract
Abstract Salinity is a recurring abiotic stress in arid and semi-arid regions, which negatively affects the establishment and growth of plants, however, the cultivation of ornamental species such as celosia argentea can tolerate saline conditions. The objective of this work was to evaluate the emergence and seedling growth of Celosia argentea cultivated under different electrical conductivities of irrigation water. The experiment was carried out in a greenhouse, in the month of July 2021. The experimental design was completely randomized with five treatments and four replications. The treatments were five electrical conductivities of irrigation water (ECw), being: 0.5; 1.5; 2.5; 3.5 and 4.5 dS m-1. They were analysed the emergence variables (percentage of emergence, average emergence time, average emergence velocity and emergence velocity index) and the growth variables (seedling height, number of leaves, stem diameter, primary root length, shoot dry weight and root dry weight) at seedling start. Moderate salinity improves seed vigor, increasing the percentage of C. argentea seedlings that emerge, culminating in satisfactory initial growth. The electrical conductivity ECw 2.5 dS m-1 is the salinity threshold that keeps the salinity-tolerant C. argentea species above the threshold and becomes sensitive to salts.
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Claims 4
Claim · model-written summary
Moderate salinity increased emergence of C. argentea seedlings.
- Taxon
- C. argentea
_W_IMG_0985.jpg?width=60)
Celosia argenteae0 - Treatment
- Moderate salinitye0
- Outcome
- percentage of C. argentea seedlings that emergee0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_W_IMG_0985.jpg?width=500)
Verbatim
e0“Moderate salinity improves seed vigor, increasing the percentage of C. argentea seedlings that emerge”
Claim · model-written summary
Moderate salinity improved seed vigor of C. argentea.
- Taxon
- C. argenteaCelosia argenteae0
- Treatment
- Moderate salinitye0
- Outcome
- seed vigore0
- Direction
- improvese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moderate salinity improves seed vigor, increasing the percentage of C. argentea seedlings that emerge”
Claim · model-written summary
Moderate salinity produced satisfactory initial growth of C. argentea.
- Taxon
- C. argenteaCelosia argenteae0
- Outcome
- satisfactory initial growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“C. argentea seedlings that emerge, culminating in satisfactory initial growth.”
Claim · model-written summary
ECw of 2.5 dS m-1 was identified as the salinity threshold for C. argentea.
- Taxon
- C. argenteaCelosia argenteae0
- Outcome
- salinity thresholde0
- Value
- 2.5 dS m-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The electrical conductivity ECw 2.5 dS m-1 is the salinity threshold that keeps the salinity-tolerant C. argentea species above the threshold and becomes sensitive to salts.”
The same questions in other papers
salinity · growth · Celosia argentea (silver cockscomb)Positive and negative results
1 in the opposite direction
- negative
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.