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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
In the present study an attempt was made for in vitro regeneration of bitter gourd cv. “BSS-1007”. In plant breeding tissue culture techniques play as an important role for rapid multiplication of particularly desirable genotype of F1 hybrids, gynoecious lines, triploid hybrid plants etc. where seed costs are high. Seeds of bitter gourd cv. BSS-1007 were surface sterilized with bavistin (0.1%) for 1 hr. followed by 70% ethanol (v/v) for 1 minutes and then 0.1% HgCl2 (w/v) solution for 5 minutes. After sterilization seeds were cultured on ½ MS medium for explants preparation. For direct multiple shoot induction, auxiliary bud and shoot apical meristem explants were cultured separately on MS media supplemented with different concentrations of BAP. Among these combinations, 1.0 mg/l BAP was found most effective for shoot induction from auxiliary buds producing maximum 3.19 numbers of shoots with minimum 7.30 days required for shoot initiation. While, MS medium fortified with 1.5 mg/l BAP was suitable for shoot induction from shoot apical meristem producing maximum 2.33 numbers of shoots with minimum 7.67 days required for shoot initiation. In vitro rooting of shoots was done by using MS medium fortified with different concentrations of IBA. Among these different rooting media, MS medium supplemented with 2.0 mg/l IBA was best for rooting on which highest average number of roots (40.71) were produced with minimum average days required for root induction (6.57days). Rooted plantlets were washed thoroughly and transferred to polythene cups containing coco-peat and acclimatized in green house condition.
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