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Title: Molecular Markers for Cultivar Identification and PBR
Authors: Ghosh, Syamal Krishna
Sarkar, Chitore Kr Guha
Datta, Subhojit
Issue Date: Sep-2001
Publisher: NISCAIR-CSIR, India
Abstract: Identification of plant varieties is important in many areas of agriculture, marketing, research and development and for protection of Plant Breeders Right (PBR). Molecular marker techniques based on DNA profiling provide novel approaches for cultivar identification. They offer advantages for comparison over morphological and biochemical markers, with respect to resolving power, cost effectiveness, testing at any stages of development, rapidity, environment independent expression and produce an array of polymorphism. Markers such as RFLP, RAPD, SSR, STS, AFLP, SNP are used for DNA fingerprinting and a comparative analysis was made among these markers for cultivar identification. With the revised who regime and privatization of agricultural research, PBR is a prerequisite for investment in plant breeding and who has provided under UPOV the protection of plant varieties by patents or by sui generis system like PBR. Identification of plant cultivars has become increasingly important with the requirement of PBR to demonstrate distinctness, uniformity and stability (DUS) for each new cultivar. In this context, molecular profiling helps in the finding and creation of minor variants from initial varieties and can be used to demonstrate the DUS of the variety. DNA profiling has not yet been adopted by UPOV as an essential character but this may be included as supplementary character information and it is expected to become the preferred method for characterization of cultivars in future. In this discussion an attempt was taken to know about the molecular markers for plant cultivar identification as well as their role and effectiveness.
Page(s): 377-388
ISSN: 0975-1076 (Online); 0971-7544 (Print)
Appears in Collections:JIPR Vol.06(5) [September 2001]

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