Hostname: page-component-8448b6f56d-qsmjn Total loading time: 0 Render date: 2024-04-16T06:18:46.263Z Has data issue: false hasContentIssue false
  • English
  • Français

Visually assayable morphological descriptors-based establishment of distinctiveness [D], uniformity [U] and stability [S] of dolichos bean (Lablab purpureus L. Sweet var. Lignosus) genotypes

Published online by Cambridge University Press:  07 April 2020

P. D. Shrikrishna Open the ORCID record for P. D. Shrikrishna [Opens in a new window]  and
S. Ramesh Open the ORCID record for S. Ramesh [Opens in a new window]
P. D. Shrikrishna*
Affiliation:
Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences (UAS), Bengaluru – 560 065, India
S. Ramesh
Affiliation:
Department of Genetics and Plant Breeding, College of Agriculture, University of Agricultural Sciences (UAS), Bengaluru – 560 065, India
*
*Corresponding author. E-mail: krishnadesai74@gmail.com
Get access Rights & Permissions [Opens in a new window]

Abstract

The development of crop varieties with enhanced economic value requires considerable resources, time and intellectual input. The individual/agencies/institutions other than the originator/developers can easily multiply and commercialize pure-line varieties which are the only cultivar option in predominantly self-pollinated crops like dolichos bean and derive economic benefits from them. Seeking legal rights on crop varieties is the best and the only way to protect them from unlawful claim of their origin/development and deriving economic benefits from them. Seeking legal protection from unauthorized commercialization of crop varieties under Indian PPV & FR Act requires establishment of their distinctness (D), uniformity (U) and stability (S). DUS of crop varieties are established predominantly using morphological descriptors. Five genotypes which include two released varieties (HA 3 and HA 4) (referred to as reference varieties) and one advanced breeding line, HA 11–3 and two elite germplasm accessions, Kadalavare and GL 66 (referred to as candidate varieties) were characterized for 25 morphological descriptors to establish their DUS. All the candidate varieties differed from reference varieties for at least one characterization descriptors, indicating their distinctness. The absence of off-types indicated the uniformity of reference and candidate varieties and hence was deemed stable. Thus, the study demonstrated the utility of morphological descriptors for establishing DUS dolichos bean genotypes.

Keywords

candidate varietiescharacterizationintellectual propertyreference varieties
Type
Short Communication
Information
Plant Genetic Resources , Volume 18 , Issue 2 , April 2020 , pp. 105 - 108
Copyright
Copyright © NIAB 2020

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Byregowda, M, Girish, G, Ramesh, S, Mahadevu, P and Keerthi, CM (2015) Descriptors of dolichos bean (Lablab purpureus L.). Journal of Food Legumes 28: 203–214.Google Scholar
Keerthi, CM, Ramesh, S, Byregowda, M, Mohan, Rao A, Rajendra Prasad, BS and Vaijayanthi, PV (2015) Further evidence for the genetic basis of qualitative traits and their linkage relationships in dolichos bean (Lablab purpureus L.). Journal of Genetics 95: 89–98.CrossRefGoogle Scholar
Kukade, SA and Tidke, JA (2014) Reproductive biology of dolichos lablab L. (Fabaceae). Indian Journal of Plant Sciences 3: 22–25.Google Scholar
Pratibha, B, Sanjeev, S and Dhillon, BS (2004) The protection of plant varieties and farmers rights act of India. Current Science 86: 392–398.Google Scholar
Rao, CH (1987) Genetic studies in garden bean. Indian Journal of Genetics and Plant Breeding 47: 347–350.Google Scholar
Raut, VM and Patil, VP (1985) Genetic studies in garden bean. Journal of Maharashtra Agricultural Universities 10: 292–293.Google Scholar
Vaijayanthi, PV, Ramesh, S, Byregowda, M, Mohan, Rao A, Keerthi, CM and Reena, M (2015) Genetic variability for morpho-metric traits in dolichos bean (Lablab purpureus L.). Journal of Food Legumes 28: 5–10.Google Scholar
Supplementary material: File

Shrikrishna and Ramesh supplementary material

Shrikrishna and Ramesh supplementary material

Download Shrikrishna and Ramesh supplementary material(File)
File 16.4 KB