Abstract
Soil salinization is a serious adverse environmental stress that severely limits the growth and development of plants and affects crop yields. The creation of salt-tolerant crop varieties using classical and molecular genetics methods, as well as the study, identification and understanding of the mechanisms of salt tolerance, open up wide-ranging opportunities in attempts to control this trait in plants. The article presents the results of the study of the germination parameters of cotton seeds and the morphology of the vegetative organs of the plants under modeled salt stress. The research subjects were varieties and lines of medium-fiber cotton of classical genetics and biotechnological gene knockout varieties of the Porlock series. The analysis of the results of the seed germination parameters: germination, mean germination time, germination index showed that the biotechnological gene knockout variety Porlock-4 was the most resistant to salinization (NaCl concentration 50, 100, 150 and 200 mM) and the line of classical selection Coker-312 was the least resistant. The investigations of the morphological parameters showed that an increase in the NaCl concentration up to 100 mM leads to a slowdown in root and shoot growth and an increase in biomass in both genotypes. However, the negative effect of NaCl was less pronounced in the biotechnological variety Porlock-4 than in the salt-sensitive line Coker-312.
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Claims 5
Claim · model-written summary
Porlock-4 was most resistant to salinization across the tested NaCl concentrations.
- Taxon
- COTTON
Gossypium hirsutumt0 - Material
- Porlock-4e0
- Treatment
- NaCl concentration 50, 100, 150 and 200 mMe0
- Outcome
- resistant to salinizatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON”
e0“the biotechnological gene knockout variety Porlock-4 was the most resistant to salinization (NaCl concentration 50, 100, 150 and 200 mM)”
Claim · model-written summary
Coker-312 was least resistant to salinization.
- Taxon
- COTTONGossypium hirsutumt0
- Material
- Coker-312e0
- Outcome
- least resistante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON”
e0“the line of classical selection Coker-312 was the least resistant”
Claim · model-written summary
Increasing NaCl to 100 mM slowed root and shoot growth in both genotypes.
- Taxon
- COTTONGossypium hirsutumt0
- Treatment
- NaCl concentration up to 100 mMe0
- Outcome
- root and shoot growthe0
- Direction
- slowdowne0
- Qualifier
- both genotypese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON”
e0“an increase in the NaCl concentration up to 100 mM leads to a slowdown in root and shoot growth and an increase in biomass in both genotypes”
Claim · model-written summary
Increasing NaCl to 100 mM increased biomass in both genotypes.
- Taxon
- COTTONGossypium hirsutumt0
- Treatment
- NaCl concentration up to 100 mMe0
- Outcome
- biomasse0
- Direction
- increasee0
- Qualifier
- both genotypese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON”
e0“an increase in the NaCl concentration up to 100 mM leads to a slowdown in root and shoot growth and an increase in biomass in both genotypes”
Claim · model-written summary
The negative NaCl effect was less pronounced in Porlock-4 than in Coker-312.
- Taxon
- COTTONGossypium hirsutumt0
- Material
- Porlock-4e0
- Outcome
- negative effect of NaCle0
- Direction
- less pronouncede0
- Comparator
- Coker-312e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“COTTON”
e0“the negative effect of NaCl was less pronounced in the biotechnological variety Porlock-4 than in the salt-sensitive line Coker-312”
The same questions in other papers
sodium chloride · growth · Gossypium hirsutum (cotton)Results differ
14 papers in the same direction as this paper · 27 in the opposite direction
- negative
- negative
- negative
38 papers more in this group
See all 42 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.