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Conservation and Utilization of Genetic Diversity in Coconut (Cocos nucifera L.)

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Abstract

Genetic diversity is an important determinant of future yield security and hence is a significant factor for crop varietal improvement. Genetic diversity in coconuts is evidenced by differences in morphological characters such as plant height (tall and dwarf), nut size, nut shape and colour, leaf and leaflet length, width and colour, husk and endosperm/kernel thickness. The coconut diversity is threatened because of several reasons such as the cultivation of improved varieties and hybrids possessing a narrow genetic base, natural calamities, high incidence of pests and diseases and urbanization. Hence, there is an urgent need for the conservation of coconut diversity to avoid genetic erosion. Existing approaches to conserve coconut germplasm such as in situ and ex situ conservation, encompassing in vitro conservation techniques such as cryopreservation of zygotic embryos, pollen and embryogenic calli, in conjunction with the advancements in coconut biotechnology for sustainably conserving coconut genetic resources, will facilitate addressing of the limitations faced in the conservation of coconut genetic resources. These multifunctional approaches could enable the strengthening of strategies which would guarantee efficient conservation.

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Authors and Affiliations

  1. ICAR-Central Plantation Crops Research Institute, Kasaragod, Kerala, India

    Anitha Karun, S. V. Ramesh, M. K. Rajesh, V. Niral, R. Sudha & K. S. Muralikrishna

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  1. Anitha Karun
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  2. S. V. Ramesh
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  3. M. K. Rajesh
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  4. V. Niral
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  5. R. Sudha
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  6. K. S. Muralikrishna
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Correspondence to Anitha Karun .

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Editors and Affiliations

  1. (erstwhile with the Rubber Research Institute of India), Thiruvananthapuram, Kerala, India

    P.M. Priyadarshan

  2. Department of Agricultural Sciences, University of Helsinki, Helsinki, Finland

    S. Mohan Jain

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Karun, A., Ramesh, S.V., Rajesh, M.K., Niral, V., Sudha, R., Muralikrishna, K.S. (2022). Conservation and Utilization of Genetic Diversity in Coconut (Cocos nucifera L.). In: Priyadarshan, P., Jain, S.M. (eds) Cash Crops. Springer, Cham. https://doi.org/10.1007/978-3-030-74926-2_7

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