Abstract
Abstract Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil maintained at EC e 2, 8, 12 and 16 mmhos/cm at 25°C. Early seedling growth and metabolism of variety NP 823 was studied in salt solutions alone and with addition of the growth regulators GA 3 and Cycocel (2‐chloroethyl trimethylammonium chloride). Soil salinity both depressed and delayed the germination. Among the varieties tested NP 823 and Karchia were relatively less susceptible to salt injury while Lerma Rojo exhibited a maximum susceptibility. Salt supply also brought about a reduction in the early seedling growth, the release of reducing sugar and the amylase activity. The adverse effect on amylase activity was not mediated through the synthesis of enzyme protein but by an inhibition of the enzyme activity. Exogenous supply of GA 3 counteracted the adverse effect of salt on amylase activity and the release of reducing sugar but not on the early seedling growth.
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Claims 7
Claim · model-written summary
Soil salinity depressed and delayed wheat germination.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Soil salinitye1
- Outcome
- germinatione1
- Direction
- depressede1
- Setting
- artificially salinized soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil”
e1“Soil salinity both depressed and delayed the germination”
Claim · model-written summary
NP 823 and Karchia were relatively less susceptible to salt injury.
- Taxon
- wheatTriticum aestivume0
- Material
- NP 823 and Karchiae2
- Outcome
- susceptible to salt injurye2
- Direction
- less susceptiblee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil”
e2“Among the varieties tested NP 823 and Karchia were relatively less susceptible to salt injury while Lerma Rojo exhibited a maximum susceptibility”
Claim · model-written summary
Lerma Rojo showed the maximum susceptibility to salt injury.
- Taxon
- wheatTriticum aestivume0
- Material
- Lerma Rojoe2
- Outcome
- susceptibilitye2
- Direction
- maximume2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil”
e2“Among the varieties tested NP 823 and Karchia were relatively less susceptible to salt injury while Lerma Rojo exhibited a maximum susceptibility”
Claim · model-written summary
Salt supply reduced early seedling growth, release of reducing sugar and amylase activity.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Salt supplye3
- Outcome
- early seedling growth, the release of reducing sugar and the amylase activitye3
- Direction
- reductione3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil”
e3“Salt supply also brought about a reduction in the early seedling growth, the release of reducing sugar and the amylase activity”
Claim · model-written summary
Salt inhibited amylase enzyme activity rather than reducing enzyme protein synthesis.
- Taxon
- wheatTriticum aestivume0
- Gene
- amylasee4
- Outcome
- amylase activitye4
- Qualifier
- inhibition of the enzyme activitye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil”
e4“The adverse effect on amylase activity was not mediated through the synthesis of enzyme protein but by an inhibition of the enzyme activity”
Claim · model-written summary
GA 3 counteracted the salt-induced reduction of amylase activity and reducing sugar release.
- Taxon
- wheatTriticum aestivume0
- Treatment
- GA 3e5
- Outcome
- amylase activity and the release of reducing sugare5
- Direction
- counteractede5
- Comparator
- salt solutions alonee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil”
e5“Exogenous supply of GA 3 counteracted the adverse effect of salt on amylase activity and the release of reducing sugar but not on the early seedling growth”
e6“Early seedling growth and metabolism of variety NP 823 was studied in salt solutions alone and with addition of the growth regulators GA 3”
Claim · model-written summary
GA 3 did not counteract the salt effect on early seedling growth.
- Taxon
- wheatTriticum aestivume0
- Treatment
- GA 3e5
- Outcome
- early seedling growthe5
- Direction
- no_changeinferrede5
- Comparator
- salt solutions alonee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Germination studies were carried out with the wheat varieties NP823, Karchia, Sonora 63, Sonora 64, Mayo 64 and Lerma Rojo in artificially salinized soil”
e5“Exogenous supply of GA 3 counteracted the adverse effect of salt on amylase activity and the release of reducing sugar but not on the early seedling growth”
e6“Early seedling growth and metabolism of variety NP 823 was studied in salt solutions alone and with addition of the growth regulators GA 3”
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