Factors affecting in vitro flowering and fruiting of green pea (Pisum sativum L.) |
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Authors: | G Franklin PK Pius S Ignacimuthu |
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Institution: | (1) Entomology Research Institute, Loyola College, Chennai, 600 034, India;(2) Microbiology Department, University of Capetown, Rondebosch, 7701, South Africa |
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Abstract: | Multiple shoots were efficiently regenerated from cotyledonary node and shoot tip explants of Pisum sativum within 15 days on MS medium containing B5 vitamins and supplelmented with 2.0 mgl-1 6-benzylaminopurine. The elongated shoots produced on the same medium were excised and transferred to MS medium containing
half strength ammonium nitrate (8.25 gml-1) and supplemented with auxins (indole-3-butyric acid or naphthalene acetic acid) either alone or in combinations with gibberellic
acid. Rooting and flowering were observed on the 7th and 15th day after their transfer to rooting medium. The flowers self-fertilised
in vitro and produced mature pods within 25 days of rooting. These seeds were germinable both in vitro and in vivo. In vitro seeds sown in pots under field conditions developed into flowering plants, and subsequently produced pods with viable seeds.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | cotyledonary node culture medium in vitro flowering in vitro seeds regeneration |
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