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Identification and Utilization of Polymorphic SSR Markers for Genetic Diversity Studies in Oil Palm

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Title Identification and Utilization of Polymorphic SSR Markers for Genetic Diversity Studies in Oil Palm
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Creator Not Available
4. H.P. Bhagya, B. Kalyana Babu, Mahanthesha B.N. Naika, R.K. Mathur, P.M. Gangadharappa, D. Satisha and R.B. Naik
 
Subject Cluster, Elaeis guineensis, Genotypes, Molecular, PIC
 
Description Not Available
Oil palm (Elaeis guineensis Jacq.) having chromosome number 2n=32 and belongs to the
family Arecaceae and it is a rich source of perennial vegetable-oil in India. To sustain the
edible oil requirement in the country, oil palm is one of the best options due to its high oilyield (4-6 t/ha) potential compared to other annual oil-yielding crops. Polymorphic simple
sequence repeat (SSR) markers play an important role in genetic diversity and mapping
studies in a crop like oil palm. In the present study, total eight genotypes were screened
using 110 SSR markers. With of these, 42 were found to be polymorphic and 68 were
monomorphic and the number of alleles ranged from two to six. The highest
Polymorphism Information Content (PIC) value was observed with the primer,
mEgCIR0779 (0.76), while the lowest with mEgCIR3288 (0.11), at an average value of
0.38. Genetic diversity ranged from 0.12 (mEgCIR3288) to 0.79 (mEgCIR0779), with an
average value of 0.45. Based on PIC and other genetic parameters, four highlypolymorphic markers, viz., mEgCIR0779, mEgCIR0782, mEgCIR2347 and mEgCIR2595
were identified. The identified polymorphic SSR loci can be effectively used in mapping
and genetic diversity studies of oil palm crop improvement programme. Totally 42
polymorphic SSRs identified and grouped the eight genotypes into two major clusters and
the clustering pattern observed was that based on geographical origin.
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Date 2019-12-07T09:26:34Z
2019-12-07T09:26:34Z
2018-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/28678
 
Language English
 
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Publisher Not Available