High salt tolerance potential in Lycopersicon species during germination

Jones, Richard A.

doi:10.1007/bf00021866

Cited by 63 publications

(43 citation statements)

References 17 publications

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“…However, no statistically significant differences in the number of shoots formed per plant were observed. The obtained results are consistent with those observed by Jones [1986] and Krupa-Małkiewicz et al [2016], who found that the salt concentration that is above 100 mM in the medium has an inhibitory effect on seeds' germination and plant growth. In the present study, the growth characteristic of petunia explants under salinity stress was effectively improved with chitosan supplement.…”

Section: Effect Of Chitosan On Morphological Traits Of Petunia Exposusupporting

confidence: 92%

Application of Chitosan in vitro to Minimize the Adverse Effects of Salinity in Petunia × atkinsiana D. don

Krupa-Małkiewicz¹,

Fornal²

2018

J. Ecol. Eng.

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The genus Petunia is a plant of high economic importance in the world-wide horticulture. These ornamental plants are often exposed to soil salinity that negatively affects their development. Chitosan is a biopolymer with multiple applications in plant breeding but it also minimizes the adverse effects of abiotic stresses on plant growth. The objective of this study was to investigate the effects of chitosan on petunia shoots development under salt stress in vitro. In the first experiment, four types of chitosan with molecular weight of 3.33, 8, 10 and 970 kDa in the concentrations of 0, 10, 15 and 20 ppm were supplemented into MS medium. In the second experiment, petunia shoots were grown on MS medium with the addition of different molecular weight of chitosan in the concentration of 15 ppm each and 100 mM NaCl. The results indicated that all of chitosan types and concentrations stimulate the plant growth in comparison to control. However, 15 ppm chitosan concentration was more effective than other concentrations used. Salinity caused a significant reduction in shoot and root length, fresh and dry mass, plant water contents, while chitosan (970 kDa) adjusted the salt toxicity. It is concluded that chitosan would be able to stimulate the growth of petunia shoots in vitro independent of their molecular weight. It was observed that the addition of chitosan of 970 kDa to MS medium under salinity conditions may alleviate the inhibitory effect of salt stress on the plant growth.

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Section: Effect Of Chitosan On Morphological Traits Of Petunia Exposusupporting

confidence: 92%

Application of Chitosan in vitro to Minimize the Adverse Effects of Salinity in Petunia × atkinsiana D. don

Krupa-Małkiewicz¹,

Fornal²

2018

J. Ecol. Eng.

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“…Sources of salt tolerance have been identified among related wild species and primitive cultivars of tomato (Cuartero et al 1992;Flowers 2004;Jones 1986). Genetic variation in the wild species has already been used to improve salt tolerance in some modern crop cultivars (Zaki et al 2016).…”

Section: Discussionmentioning

confidence: 99%

A comparative <i>in vitro</i> study of salt tolerance in cultivated tomato and related wild species

Zaki

Yokoi

2016

Plant Biotechnology

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Salinity stress is a major abiotic stress for plants worldwide. This study was carried out to determine the variation in salt tolerance for 12 different genotypes belonging to three different tomato species: Solanum lycopersicum (L), S. peruvianum (L) and S. pimpinellifolium (L). Shoot apices and callus cultures were exposed to different levels of salinity stress ranging from no salt (control) to 100, 200 and 300 mmol L −1 NaCl. All growth and physiological parameters were significantly affected by salt stress. Most shoot apices of S. lycopersicum did not develop roots when exposed to low NaCl levels, whereas apices of S. peruvianum and S. pimpinellifolium developed roots when exposed to all salt levels. This difference in salt tolerance was clearly shown on the basis of root fresh weights and root surface areas. Callus growth in response to increased salinity was much greater in S. peruvianum and S. pimpinellifolium than in S. lycopersicum. The Cl − and Na + concentrations increased significantly with increasing salt in the three species, although the S. peruvianum lines accumulated more ions compared with the others. As the salt concentration increased, less K + accumulated in S. lycopersicum compared to the related wild species. The results obtained in this study suggest that S. peruvianum line 0043-1 was the accession with the best salt tolerance. The most tolerant cultivated tomato (S. lycopersicum) cultivar was 'Rutgers. ' Both S. peruvianum line 0043-1 and S. lycopersicum 'Rutgers' are good candidates for inclusion in tomato breeding programs for salt-tolerance.

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“…The seeds require higher amount of water uptake during the germination under the salt stress due to the accumulation of the soluble solutes around the seeds which increases the osmotic pressure. This causes excessive uptake of the ions which results in toxicity in the plant (Jones, 1986). Moreover, water potential gradient (reduced water availability) between the external environment and the seeds also inhibits the primary root emergence (Eneas Filho et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

Effect of salt and osmotic stresses on the germination of pepper seeds of different maturation stages

Demir

Mavi

2008

Braz. arch. biol. technol.

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High salt tolerance potential in Lycopersicon species during germination

Cited by 63 publications

References 17 publications

Application of Chitosan in vitro to Minimize the Adverse Effects of Salinity in Petunia × atkinsiana D. don

Application of Chitosan in vitro to Minimize the Adverse Effects of Salinity in Petunia × atkinsiana D. don

A comparative <i>in vitro</i> study of salt tolerance in cultivated tomato and related wild species

Effect of salt and osmotic stresses on the germination of pepper seeds of different maturation stages

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