تأثير المعاملة بمستخلص عرق السوسو و أملاح MS في أقلمة و نمو نبيتات نخيل التمر phoenix dactylifera L. صنف البرحي المكثرة خارج الجسم الحي

Abstract EN

This study was conducted in tissue culture Lab, Date Palm Research center –Basrah , during two growing season at 2009 and 2010 to study the effect of irrigation by MS Salts strenght (quarter and half strength ) mg \ L.and liquorice extract at concentrations (2.5 and 5 ) g /L and treatment of quarter strength of MS Salts with 2.5 g /L liquorice extract in addition to control treatment on plantlets acclimatization of Date Palm cv.

Barhi in vitro .The results showed that treatment of the irrigation by quarter strength of MS Salts with 2.5 g /L liquorice extract led to give a higher percentage of plantlets acclimatization with significant difference compared with other of concentrations which reached 80 % and then treatment of the irrigation by quarter strength of MS Salts that reached 60 % , the result also showed that the irrigation by quarter strength of MS Salts with 2.5 g /L liquorice extract significantly decreased the lost of water compared with other treatments , and the treatment of the irrigation by quarter strength of MS Salts with 2.5 g /L liquorice extract significantly increased length of plantlets compared with other treatments while the treatment of the irrigation by quarter strength of MS Salts significantly increased width leaves of plantlets compared with other treatments , the treatment of the irrigation by quarter strength of MS Salts with 2.5 g /L liquorice extract led to give a significant increased on chlorophyll a, b and total chlorophyll content compared with other treatments .