TROPICS Tropical Forestry Projects Information System

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 Map
 Regional: Unclassified

Improvement of coconut by biotechnology : application of breeding and crop protection.
Figures are indicative, and subject to revision
Some projects may contain substantial non-forest related components
Funder reference :ERBTS3* CT930213
Funded through :Science
DGXII
STD-III
Year :1994
Engaged :450,000 Euro
Further information :DGXII Published Information
Information in the TROPICS system is provisional only
Comments and suggestions to tropics@odi.org.uk
 

STD3-95
DGXII Published Information
Funded joint research projects - 1995 edition

Contract Number ERBTS3*CT930213

IMPROVEMENT OF COCONUT BY BIOTECHNOLOGY :

APPLICATION TO BREEDING AND CROP PROTECTION

 

Objectives

The main objectives are as follows :

F
To develop DNA marker technology (RAPD, RFLP, STS) for the characterisation of coconut germplasm.

F
To construct a DNA marker linkage map for the coconut genome.

F
To associate molecular markers with desirable agronomic traits like dwarf growth habit and early flowering.

F
To develop sensitive molecular techniques for the indexing of germplasm.

Activities

The key activities envisaged are :

*
Controlled crosses between Tall and Dwarf coconut types for the production of F1 material as the basis for linkage map establishment (NCDP, PCA ARC).

*
The isolation of putative RFLP markers from a coconut genomic library (MPIZ).

*
The identification of polymorphic RAPD and STS markers for the parents used in the controlled crosses (CIMA, MPIZ).

*
The establishment of genetic diversity among the available coconut types as well as within specific Tall and Dwarf populations and the establishment of a linkage map for the coconut genome with the availability of markers covering all sixteen chromosomes by merging a megagametophytic map with a map constructed from diploid F1 hybrid material (CIMA, MPIZ).

*
The improvement of MLO and CCCVd diagnosis by the use of PCR or RT/PCR and nonradioactive molecular hybridization (NCDP, PCA ARC, MPIZ).

During the first year controlled crosses between heterozygous parents will be carried out in order to provide segregating F1 material as a basis for linkage map construction by the use of polymorphic DNA markers. These markers which will be identified continuously during the duration of the project also serve for genotype fingerprinting of Tall (EAT) and Dwarf (MYD) populations as well as all accessions available at Tanzania and the Philippines. Genetic diversities among the different coconut types and the Palmae will be established in the second year, and the linkage map will be constructed in the third year.

Expected Outcome

The outcome of this project is expected to accelerate the establishment of superior coconut hybrids by marker-assisted selection in breeding programmes and to facilitate the safe movement of germplasm by the provision of highly sensitive molecular techniques for pathogen indexing.

Information in the TROPICS system is provisional only
Comments and suggestions to tropics@odi.org.uk