Morphological evaluation of conserved coconut germplasm in MARDI Jerangau

Muhammad Azwan Azmi, . and Sentoor Kumeran Govindasamy, . Morphological evaluation of conserved coconut germplasm in MARDI Jerangau. pp. 104-109. ISSN 2462-1757

Coconut is the fourth most important crop in Malaysia after oil palm rice and rubber in the year 2017. Malaysian coconut industries highly dependable to coconut sourced from neighbouring countries mainly from Indonesia for raw material. There are many tall and dwarf coconut accessions present in the country. Germplasm collections from different geographical locations can be a great source of genetic material for crop improvements especially for perennials like coconut. In this study coconut ecotypes originating from Malayan Tall and Malayan Dwarfs coconuts were collected from the east coast of the Malaysian peninsular and Bagan Datuk area in the west coast of the peninsular and were planted in MARDI Jerangau. Morphological characters of leaf stem and flower were observed in this study to measure the genetic diversity among the ecotypes present in the ex situ conserved coconut germplasm. 11 accessions of tall and dwarf coconut were planted in MARDI Jerangau with three replications for morphological observations. The palms were 20 years of age. The soil type in MARDI Jerangau is sandy clay and all the palms are rain fed. All the data was analysed using SAS software for mean and ANOVA computation. Among 18 plant morphological observation studied only stalk girth observation did not show any significant difference and leaflet width showed significant different at P0.05 while the other 16 morphological characters showed significant differences at P0.01 in all the 11 accessions studied. Eight accessions were observed to have normal type of flower morphology while 3 accessions had spicata type flower morphology. Three accessions exhibit brown-coloured fruits (Teladas Seberang Tayor Kerteh) while rest of the accessions except for MYD exhibit green fruiting colour. In this study accessions showed diversified morphological observations increasing the genetic pool of coconut germplasm collections in Malaysia.

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Abstract

Coconut is the fourth most important crop in Malaysia after oil palm rice and rubber in the year 2017. Malaysian coconut industries highly dependable to coconut sourced from neighbouring countries mainly from Indonesia for raw material. There are many tall and dwarf coconut accessions present in the country. Germplasm collections from different geographical locations can be a great source of genetic material for crop improvements especially for perennials like coconut. In this study coconut ecotypes originating from Malayan Tall and Malayan Dwarfs coconuts were collected from the east coast of the Malaysian peninsular and Bagan Datuk area in the west coast of the peninsular and were planted in MARDI Jerangau. Morphological characters of leaf stem and flower were observed in this study to measure the genetic diversity among the ecotypes present in the ex situ conserved coconut germplasm. 11 accessions of tall and dwarf coconut were planted in MARDI Jerangau with three replications for morphological observations. The palms were 20 years of age. The soil type in MARDI Jerangau is sandy clay and all the palms are rain fed. All the data was analysed using SAS software for mean and ANOVA computation. Among 18 plant morphological observation studied only stalk girth observation did not show any significant difference and leaflet width showed significant different at P0.05 while the other 16 morphological characters showed significant differences at P0.01 in all the 11 accessions studied. Eight accessions were observed to have normal type of flower morphology while 3 accessions had spicata type flower morphology. Three accessions exhibit brown-coloured fruits (Teladas Seberang Tayor Kerteh) while rest of the accessions except for MYD exhibit green fruiting colour. In this study accessions showed diversified morphological observations increasing the genetic pool of coconut germplasm collections in Malaysia.

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Item Type:	Article
AGROVOC Term:	Coconuts
AGROVOC Term:	Plant genetic resources
AGROVOC Term:	Germplasm conservation
AGROVOC Term:	Data analysis
AGROVOC Term:	Analysis of variance
AGROVOC Term:	Agricultural practices
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/10514

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