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Effect of salinity on micropropagation of two potato varieties Desiree and Spunta (Solanum tuberosum L.)

By: Sabah Larit, Chougui Saida

Key Words: In vitro culture, Solanum tuberosum L., Salinity, Morphological parameters, Micro propagation.

Int. J. Biosci. 12(3), 1-6, March 2018.

DOI: http://dx.doi.org/10.12692/ijb/12.3.1-6

Certification: ijb 2018 0269 [Generate Certificate]

Abstract

Our study has allowed us, to achieve the main objective we set at the beginning; which is the possibility to regenerate in vitro an entire plant of two varieties of potato: Desiree and Spunta under saline conditions. This a factorial experiment was planted in MS growth medium with three different concentrations of NaCl (25, 100, 150 Mmol/L) and a control (C0) by doing ten repetitions. This work was conducted on 80 experimental units within controlled conditions. This study allowed us to know the effect of the salinity on the micro propagation in vitro of the two varieties of potato Spunta and Desiree by following the growth and the development of three morphological characters (leaves number, stem length, roots number.) for four weeks. The results show that the response of the plants to salt stress varies with the variety and the salt concentrations. Similarly, it appears from this study that the potato shows a well-differentiated behavior under the high concentrations of NaCl, which proves the sensitivity of the potato to salinity. It also appears that the Desiree variety is more tolerant to high saline concentrations.

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Effect of salinity on micropropagation of two potato varieties Desiree and Spunta (Solanum tuberosum L.)

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Sabah Larit, Chougui Saida.
Effect of salinity on micropropagation of two potato varieties Desiree and Spunta (Solanum tuberosum L.).
Int. J. Biosci. 12(3), 1-6, March 2018.
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