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Effect of NaCl Stress and Sucrose on Potato Microtuberization

机译:NaCl胁迫和蔗糖对马铃薯微块化的影响

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In vitro microtuberization of potato (Solanum tuberosum L.) cvs. 'Marfona' and 'Agria' was studied by the use of individual excised single-node cuttings cultured on semi-solid MS medium supplemented with 5 mg L~(-1) BAP and 80 g/L sucrose in the presence of 0, 25, 50, 75, 100 and 150 mM NaCl or 30, 40, 60, 80, 100 and 120 g/L sucrose. Microtuberization decreased significantly with increasing salinity; the highest NaCl level (150 mM) completely inhibited microtuber development in both cultivars. Microtuber production was significantly increased by increasing sucrose concentration up to 80 g/L then reduced at higher concentrations.
机译:马铃薯(Solanum tuberosum L.)cvs的体外微块化。 'Marfona'和'Agria'是通过在0、25存在下,在添加有5 mg L〜(-1)BAP和80 g / L蔗糖的半固体MS培养基上培养的单个切除的单节插条进行研究的,50、75、100和150 mM NaCl或30、40、60、80、100和120 g / L蔗糖。随着盐度的增加,微块茎显着减少。最高的氯化钠水平(150 mM)完全抑制了两个品种的微块茎发育。通过增加蔗糖浓度至80 g / L,显着增加了微型薯的产量,然后在更高的浓度下,其产量降低了。

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