Procedures for cold storage of in vitro cultures can delay subculturing, reducing production costs and risks of contamination and somaclonal variation. The present work investigates the effects of media with sorbitol (116.8mM, medium SO) or sucrose (58.4mM) alone (medium SU), or the latter in combination with mannitol (58.4mM, medium M) on 7-month storage at 5 ◦C of apricot shoots, cv San Castrese and Boreale. Shoots in SO survived in lower percentages and grew less than in the other treatments during storage, and died in large numbers after transfer to standard culture conditions. In comparison to other treatments, survival was 100% in the presence ofMand both shoot weight and number of surviving proliferated axillary shoots was increased. Moreover,Mimproved regrowth compared to SU under standard culture conditions. The SOD and CAT activity confirmed the higher stress of shoots stored in SO than controls, and in contrast, the low stress of shoots in M.

Marino G., Negri P., Cellini A., Masia A. (2010). Effect of carbohydrates on in vitro low-temperature storage of shoot cultures of apricot. SCIENTIA HORTICULTURAE, 126, 434-440 [10.1016/j.scienta.2010.08.008].

Effect of carbohydrates on in vitro low-temperature storage of shoot cultures of apricot

MARINO, GRAZIA;NEGRI, PAOLA;CELLINI, ANTONIO;MASIA, ANDREA
2010

Abstract

Procedures for cold storage of in vitro cultures can delay subculturing, reducing production costs and risks of contamination and somaclonal variation. The present work investigates the effects of media with sorbitol (116.8mM, medium SO) or sucrose (58.4mM) alone (medium SU), or the latter in combination with mannitol (58.4mM, medium M) on 7-month storage at 5 ◦C of apricot shoots, cv San Castrese and Boreale. Shoots in SO survived in lower percentages and grew less than in the other treatments during storage, and died in large numbers after transfer to standard culture conditions. In comparison to other treatments, survival was 100% in the presence ofMand both shoot weight and number of surviving proliferated axillary shoots was increased. Moreover,Mimproved regrowth compared to SU under standard culture conditions. The SOD and CAT activity confirmed the higher stress of shoots stored in SO than controls, and in contrast, the low stress of shoots in M.
2010
Marino G., Negri P., Cellini A., Masia A. (2010). Effect of carbohydrates on in vitro low-temperature storage of shoot cultures of apricot. SCIENTIA HORTICULTURAE, 126, 434-440 [10.1016/j.scienta.2010.08.008].
Marino G.; Negri P.; Cellini A.; Masia A.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/91717
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