The Influence of Naa on Embryo Germination of the Olive
Journal Title: PARIPEX-Indian Journal of Research - Year 2015, Vol 4, Issue 7
Abstract
Embryo germination was experimented over a period of three years as part of the embryogenesis of the olive endocarps. During April the endocarps were treated with immersion of NAA, C12H10O2, per 12 hours in three different solutions, 50, 100, 500 ppm. The endocarps were stratified in a substrate sand+peat+endocarps (3:1:1), in a habitat with temperature from 150C to 170C for wood decomposition and embryonic awakening. After planting and germination the results were as follows: n0 zygotic embryos, nopolyembryos, no somatic embryos, no pseudo- embryos. The results proved NAA100 and NAA50 for better embryogenesis, respectively: NAA100/KAN 17.6% and NAA100/HH 73,9%. 93% of germination force derives from cellular growth within the zygote. KAN cv had exaggerated pseudoembryos 83-86%, whereas HH cv 29-40%. The concentrations from 50 to 100 ppm, yielded zygotic embryo 43%, Polyembryos 1.5%, somatic embryos 0.75%. Concentration 500 ppm developed much more polyembryony. High percentage of germination occurred only when endocarp structure was changed, thus lowering its resistance to embryo spreading. NAA served as a good promoter of the embryogenesis process and physiological ripeness. Under these circumstances the effect of hormone induction is 9.5% and 30%.
Authors and Affiliations
Dr. Hairi Ismaili
Keywords
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