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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 21, No. 6, 2017, pp. 1019-1021
Bioline Code: ja17118
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 21, No. 6, 2017, pp. 1019-1021

 en Germination response of coconut ( Cocos nucifera check for this species in other resources L.) zygotic embryo
NWITE, PEACE A.; IKHAJIAGBE, BECKLEY & OWOICHO, IDABA

Abstract

The study investigated the effects of liquid and solid media in the propagation of coconut (Cocos nucifera) zygotic embryos at initiation stage. Eeuwen’s medium supplemented with growth hormones naphthalene acetic acid ( NAA) and indole butyric acid (IBA) at different concentrations (0.5, 1.0, 1.5, 2.0 and 2.5mg/l) were used for this experiment in both liquid and solid states. Results showed that liquid state medium was better compared to solid state, with a successful shoot emergence of 46.7% of inoculants, compared to 13.3% in the solid state. Within 2 – 4 weeks, 77.8% of germinated zygotic embryo developed shoots in the liquid medium compared to 50% rate in the solid medium. Comparing zygotic embryo development in NAA and IBA, results showed that root yields were better in NAA, with inoculants in 1.5 mg/l NAA showing profuse rooting compared to 0.5 – 2.0 mg/l IBA with no root development.

Keywords
Coconut; Eeuwen’s medium; hormones; root yield; zygotic embryo

 
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