Abstract
Soil salinization is a major environmental stress that restricts plant growth and reduces crop yields. Developing salt-tolerant crop varieties using classical, molecular genetics methods and understanding the mechanisms of salt resistance is essential for sustainable crop improvement. This study evaluated seed germination and vegetative morphology of upland cotton (Gossypium hirsutum L.) under model salt stress, comparing Uzbek classical breeding varieties of AN-Bayovut-2, Tashkent-6, Namangan-77 and the Coker-312 variety with biotechnological knock-out varieties of the Porloq series viz. Porloq-1, Porloq-2, Porloq-3 and Porloq-4. An analysis of the results of seed germination parameters: relative germination (RG), average germination time (AGT), germination index (GI) and germination energy (GE) showed that the most resistant to salinity (NaCl concentrations— 50, 100, 150 and 200 mM) was the biotechnological gene-knockout Porloq-4 variety and the least resistant was the Coker-312 variety of classical breeding. A study of morphological parameters showed that 100 mM NaCl causes a slowdown in the growth of roots and shoots, as well as biomass gain in both genotypes. However, in the Porloq-4 biotechnological variety, the negative effects of NaCl were less pronounced compared to the salt-sensitive Coker-312 variety.
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Claims 4
Claim · model-written summary
Gene-knockout variety Porloq-4 was the most salt-resistant cotton variety in germination parameters across 50 to 200 mM NaCl.
- Taxon
- cotton
Gossypium hirsutumt0 - Material
- Porloq-4e0
- Treatment
- NaCle0
- Outcome
- most resistant to salinitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“the most resistant to salinity (NaCl concentrations— 50, 100, 150 and 200 mM) was the biotechnological gene-knockout Porloq-4 variety and the least resistant was the Coker-312 variety of classical breeding”
Claim · model-written summary
Classical-breeding variety Coker-312 was the least salt-resistant cotton variety in germination parameters across 50 to 200 mM NaCl.
- Taxon
- cottonGossypium hirsutumt0
- Material
- Coker-312e0
- Treatment
- NaCle0
- Outcome
- least resistante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“the most resistant to salinity (NaCl concentrations— 50, 100, 150 and 200 mM) was the biotechnological gene-knockout Porloq-4 variety and the least resistant was the Coker-312 variety of classical breeding”
Claim · model-written summary
In both genotypes, 100 mM NaCl slowed root and shoot growth and biomass gain.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- 100 mM NaCle0
- Outcome
- growth of roots and shoots, as well as biomass gaine0
- Direction
- slowdowne0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“100 mM NaCl causes a slowdown in the growth of roots and shoots, as well as biomass gain in both genotypes”
Claim · model-written summary
The negative effects of NaCl were less pronounced in Porloq-4 than in the salt-sensitive Coker-312 variety.
- Taxon
- cottonGossypium hirsutumt0
- Material
- Porloq-4e0
- Treatment
- NaCle0
- Outcome
- negative effects of NaCle0
- Direction
- less pronouncede0
- Comparator
- salt-sensitive Coker-312 varietye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cotton”
e0“in the Porloq-4 biotechnological variety, the negative effects of NaCl were less pronounced compared to the salt-sensitive Coker-312 variety”
The same questions in other papers
sodium chloride · growth · Gossypium hirsutum (cotton)Results differ
26 papers in the same direction as this paper · 15 in the opposite direction
- positive
- positive
- positive
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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.