Bhattacharjee, R
(2000)
Studies on the establishment of a
core collection of pearl millet [Pennisetum glaucum (L.) R. Br.1
germplasm.
PHD thesis, CCS Haryana Agricultural University(Hisar) .
Supervisors
| Supervisors Name | Supervisors ID |
|---|
| Khiarwal, I S | CCSHAU |
| Bramel, P J | ICRISAT |
Abstract
In order to deal with world collect~ono f pearl m~lleta nd its elTectivc otiliz~tion,1 11s
estahlisliment of a core collection is one ofthe ideal appn~nche. I:urthcr, an assessnicnt 111'
genetic diversity based on morpho-agronomic cliaracrers only m~ght be biased hccause
distinct niorphotypes can result from a few mutations and share a comnion genetic
background. Therefore, molecular markers are essential for explaining whether existing
genetic variability, assessed by measuring morpl~o-agronomic characters, is related to
genetic diversity. This may be assessed by measuring allelic frequencies using molecular
markers. Thus, the present study was undertaken with an objective to establish a pearl
millet core collection that represents a complete range of genetic diversity of the world
collection and to achieve the following objectives:
To compare multivariate vs. hierarchical classification for determining core
collections that maximizes diversity.
To evaluate the adequacy of mean characterization data to determine core
collection and do diversity assessment in a cross-pollinated crop.
To determine the extent of diversity within and between accessions of
established core collection using morphological traits and molecular markers.
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