Abstract
Callus cultures tolerant to NaCl were developed from eight wheat genotypes using in vitro selection techniques. The accumulation of inorganic (Na+, Cl- and K+) solutes, water content and relative fresh weight were determined in selected (tolerant and sensitive) calli after a NaCl shock in order to evaluate their implication in salt tolerance of the selected lines. No growth reduction was observed in salt-tolerant calli compared to control while a significant (P<0.05) decrease about 46.54% was observed in salt sensitive ones when both were cultivated under NaCl stress. Water content is significantly (P<0.05) high in salt-sensitive calli than salt-tolerant ones. Selected calli accumulate less K + as compared with control. However, K + content of salt-tolerant calli is greater than that of salt-sensitive. Accumulation of Na+ and Cl- were more important in salt-sensitive calli in comparison with salt-tolerant ones while K + content was lower in salt-sensitive than in salt-tolerant calli when both were exposed to salt. The results indicated Na + and Cl - exclusion combined to less K + accumulation may play a key role in in vitro salt-tolerance in wheat calli lines obtained by in vitro selection and they could contribute mainly to counteract the negative effects of salt stress in wheat tolerant calli. Comparison of K + /Na + ratio permitted to classify Sebou, Anouar and Tarek which are as most salt-tolerant wheat genotypes and on contrary, Marzak, Ourgh, Massa and Amjad as salt-sensitive wheat genotypes. K+/Na+ ratio can be use as a criterion of wheat genotypes classification.
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Claims 10
Claim · model-written summary
Salt-tolerant wheat calli showed no growth reduction under NaCl stress compared with control.
- Taxon
- wheat (Triticum durum Desf.)
Triticum turgidum subsp. durumt0 - Material
- salt-tolerant callie1
- Treatment
- NaCl stresse1
- Outcome
- growthe1
- Direction
- No growth reductione1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e1“No growth reduction was observed in salt-tolerant calli compared to control while a significant (P<0.05) decrease about 46.54% was observed in salt sensitive ones when both were cultivated under NaCl stress”
Claim · model-written summary
Salt-sensitive wheat calli decreased growth by 46.54% under NaCl stress relative to control.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Material
- salt sensitive onese1
- Treatment
- NaCl stresse1
- Outcome
- growthe1
- Direction
- decreasee1
- Value
- 46.54%e1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e1“No growth reduction was observed in salt-tolerant calli compared to control while a significant (P<0.05) decrease about 46.54% was observed in salt sensitive ones when both were cultivated under NaCl stress”
Claim · model-written summary
Water content was higher in salt-sensitive calli than in salt-tolerant calli.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Material
- salt-sensitive callie2
- Outcome
- Water contente2
- Direction
- highe2
- Comparator
- salt-tolerant onese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e2“Water content is significantly (P<0.05) high in salt-sensitive calli than salt-tolerant ones”
Claim · model-written summary
Selected calli accumulated less K+ than control under NaCl stress.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Treatment
- NaCl stresse1
- Outcome
- K + accumulatione6
- Direction
- lesse3
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e1“No growth reduction was observed in salt-tolerant calli compared to control while a significant (P<0.05) decrease about 46.54% was observed in salt sensitive ones when both were cultivated under NaCl stress”
e3“Selected calli accumulate less K + as compared with control”
e6“The results indicated Na + and Cl - exclusion combined to less K + accumulation may play a key role in in vitro salt-tolerance in wheat calli lines obtained by in vitro selection”
Claim · model-written summary
Salt-tolerant calli had greater K+ content than salt-sensitive calli.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Material
- salt-tolerant callie4
- Outcome
- K + contente4
- Direction
- greatere4
- Comparator
- salt-sensitivee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e4“K + content of salt-tolerant calli is greater than that of salt-sensitive”
Claim · model-written summary
Na+ and Cl- accumulation was more important in salt-sensitive calli than in salt-tolerant calli.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Material
- salt-sensitive callie5
- Outcome
- Accumulation of Na+ and Cl-e5
- Direction
- more importante5
- Comparator
- salt-tolerant onese5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e5“Accumulation of Na+ and Cl- were more important in salt-sensitive calli in comparison with salt-tolerant ones”
Claim · model-written summary
Na+ and Cl- exclusion combined with less K+ accumulation may play a key role in in vitro salt tolerance of wheat calli.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Outcome
- in vitro salt-tolerancee6
- Qualifier
- Na + and Cl - exclusion combined to less K + accumulatione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e6“The results indicated Na + and Cl - exclusion combined to less K + accumulation may play a key role in in vitro salt-tolerance in wheat calli lines obtained by in vitro selection”
Claim · model-written summary
Sebou, Anouar and Tarek were the most salt-tolerant genotypes by K+/Na+ ratio.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Material
- Sebou, Anouar and Tareke7
- Outcome
- K + /Na + ratioe7
- Qualifier
- most salt-tolerante7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e7“Comparison of K + /Na + ratio permitted to classify Sebou, Anouar and Tarek which are as most salt-tolerant wheat genotypes and on contrary, Marzak, Ourgh, Massa and Amjad as salt-sensitive wheat genotypes”
Claim · model-written summary
Marzak, Ourgh, Massa and Amjad were salt-sensitive genotypes by K+/Na+ ratio.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Material
- Marzak, Ourgh, Massa and Amjade1
- Outcome
- K + /Na + ratioe7
- Qualifier
- salt-sensitivee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e7“Comparison of K + /Na + ratio permitted to classify Sebou, Anouar and Tarek which are as most salt-tolerant wheat genotypes and on contrary, Marzak, Ourgh, Massa and Amjad as salt-sensitive wheat genotypes”
e1“Marzak, Ourgh, Massa and Amjad as salt-sensitive wheat genotypes”
Claim · model-written summary
The K+/Na+ ratio can be used as a selection criterion for wheat genotypes.
- Taxon
- wheat (Triticum durum Desf.)Triticum turgidum subsp. durumt0
- Outcome
- wheat genotypes classificatione1
- Qualifier
- criterione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl stress-induced growth, water and ions contents changes on in vitro selection of salt tolerant and salt sensitive callus of wheat (Triticum durum Desf.)”
e1“K+/Na+ ratio can be use as a criterion of wheat genotypes classification”
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