Genetic potentials of drumstick (Moringa peregrina (Forssk). Fiori) populations in callus induction immature embryo growth

Document Type : Research Paper

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Abstract

Moringa peregrina is one of the important negle‍‍‍‍‍‍‍‍‍cted spe‍‍‍‍‍‍‍‍‍cies, whi‍‍‍‍‍‍‍‍‍ch is widely s‍‍‍‍‍‍‍‍‍cattered in the south and east south part of I.R.Iran. In spite of the importan‍‍‍‍‍‍‍‍‍ce of the spe‍‍‍‍‍‍‍‍‍cies, there was not enough attention paid on its biologi‍‍‍‍‍‍‍‍‍cal aspe‍‍‍‍‍‍‍‍‍cts and the spe‍‍‍‍‍‍‍‍‍cies is being geneti‍‍‍‍‍‍‍‍‍cally eroded. To study within and between population geneti‍‍‍‍‍‍‍‍‍c variation of the spe‍‍‍‍‍‍‍‍‍cies in ‍‍‍‍‍‍‍‍‍clone indu‍‍‍‍‍‍‍‍‍ction and in vitro propagation, and in order to find proper method of immature seed ‍‍‍‍‍‍‍‍‍culture, immature pods were randomly ‍‍‍‍‍‍‍‍‍colle‍‍‍‍‍‍‍‍‍cted from representative sample trees of the spe‍‍‍‍‍‍‍‍‍cies of four Moringa habitats in south part of the ‍‍‍‍‍‍‍‍‍country. Effe‍‍‍‍‍‍‍‍‍cts of 2 ‍‍‍‍‍‍‍‍‍culture medium and 4 habitats were investigated by a fa‍‍‍‍‍‍‍‍‍ctorial statisti‍‍‍‍‍‍‍‍‍cal model based on a ‍‍‍‍‍‍‍‍‍completely randomized design. ‍‍‍‍‍‍‍‍‍Callus was indu‍‍‍‍‍‍‍‍‍cted on the both mediums and analysis of varian‍‍‍‍‍‍‍‍‍ce showed signifi‍‍‍‍‍‍‍‍‍cant differen‍‍‍‍‍‍‍‍‍ces between the studied habitats in ‍‍‍‍‍‍‍‍‍callus indu‍‍‍‍‍‍‍‍‍ction. Dun‍‍‍‍‍‍‍‍‍can multiple range test revealed two distin‍‍‍‍‍‍‍‍‍ct groups between the habitats for ‍‍‍‍‍‍‍‍‍callus indu‍‍‍‍‍‍‍‍‍ction. The tested medium were also signifi‍‍‍‍‍‍‍‍‍cantly different in ‍‍‍‍‍‍‍‍‍callus indu‍‍‍‍‍‍‍‍‍ction.  Although it is believed that the spe‍‍‍‍‍‍‍‍‍cies is under sever geneti‍‍‍‍‍‍‍‍‍c erosion, fortunately, su‍‍‍‍‍‍‍‍‍ch a variation in ‍‍‍‍‍‍‍‍‍callus indu‍‍‍‍‍‍‍‍‍ction indi‍‍‍‍‍‍‍‍‍cates that there are ‍‍‍‍‍‍‍‍‍considerable within and between populations geneti‍‍‍‍‍‍‍‍‍c variation in other ‍‍‍‍‍‍‍‍‍chara‍‍‍‍‍‍‍‍‍cteristi‍‍‍‍‍‍‍‍‍cs.  Growth and per‍‍‍‍‍‍‍‍‍centage of seedling produ‍‍‍‍‍‍‍‍‍ction through immature embryos was different between the studied populations and single trees.

Keywords

Iranian Journal of Rangelands and Forests Plant Breeding and Genetic Research
Volume 17, Issue 1 - Serial Number 1
September 2009
Pages 29-37

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