Clonal propagation of Rosa clinophylla Thory. through axillary bud culture
2009
Misra, Pratibha | Chakrabarty, D (Debasis)
A protocol for clonal propagation of Rosa clinophylla, a rare and endangered species but very important for breeding purposes had been standardized through in vitro axillary bud culture. Although cytokinins alone were able to induce shoot buds, but their proper growth and number could be increased only when they were used in combination with GA₃. However, there was shoot tip necrosis and leaf fall in the proliferated shoots. AgNO₃ at 58.85μM proved effective to avoid shoot necrosis and yellowing of leaves. Activated charcoal (AC) at 250mgl⁻¹ was found necessary at all the stages of shoot multiplication as well as rooting. Ninety percent rooting could be achieved in 1/2 MS medium supplemented with 4.92μM IBA and 250mgl⁻¹ AC. Rooted plantlets were hardened and transferred to the field successfully with 80% survival rate.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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