Descriptor-based morphometric diversity and palynological studies in Jasmine

Madhavi Kurabalakota; MALLIKARJUN G. AWATI; A. M. SHIROL; PAVAN KUMAR P; DEVARAI LAVA KUMAR; RITU JAIN; VARUN M HIREMATH; POOJA A

doi:10.56093/ijas.v95i10.163338

Authors

K. Madhavi Indian Agricultural Research Institute, New Delhi
Dr. Mallikarjun G. Awati University of Horticultural Sciences, Bagalkote, Karnataka -587104
A. M. Shirol University of Horticultural Sciences, Bagalkote, Karnataka -587104
Dr. PAVAN KUMAR P University of Horticultural Sciences, Bagalkote, Karnataka -587104
DEVARAI LAVA KUMAR Indian Agricultural Research Institute, New Delhi
Dr. RITU JAIN Indian Agricultural Research Institute, New Delhi
Dr. VARUN HIREMATH College of Horticulture (CAU), Thenzawl, Mizoram
Dr. POOJA College of Horticulture (CAU), Thenzawl, Mizoram

https://doi.org/10.56093/ijas.v95i10.163338

Keywords:

Jasmine, diversity, principal component analysis, correlation, DUS descriptor

Abstract

Jasmine (Jasminum spp.), a member of the Oleaceae family, is among India's oldest and fragrant traditional flowers. Utilizing commercial and underutilized species is vital for developing improved varieties. This study characterized morphometric traits and pollen biology using DUS descriptors and multivariate analysis. The highest coefficient of variation for quantitative traits ranged from 11.57% (plant spread) to 99.31% (flowers per inflorescence). Variability in qualitative traits ranged from dimorphic (growth type and habit) to polymorphic (flower color). Significant positive correlations were observed between floral traits and yield attributes. Pollen viability was highest in Jasminum auriculatum (Bagalkote local) at 75.72%, Jasminum grandiflorum cv. CO.1 Pitchi at 69.39%, and Jasminum nitidum (TNAU) at 65.42%. Principal component analysis showed PC1 and PC2 accounted for 28.40% (leaf blade dimensions, bud diameter, petal count) and 23.73% (bud length, corolla tube length, inflorescences per plant) of total variation. These findings aid in selecting parent plants for Jasmine improvement and protecting new varieties under the PPVFR Act, 2001

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Author Biographies

K. Madhavi, Indian Agricultural Research Institute, New Delhi

Ph. D. Scholar, Division of Floriculture and Landscaping
Dr. Mallikarjun G. Awati, University of Horticultural Sciences, Bagalkote, Karnataka -587104

Assistant Professor, Department of Genetics and Crop Improvement
A. M. Shirol, University of Horticultural Sciences, Bagalkote, Karnataka -587104

Associate Professor, Department of Floriculture and Landscape Architecture
Dr. PAVAN KUMAR P, University of Horticultural Sciences, Bagalkote, Karnataka -587104

Assistant Professor, Department of Floriculture and Landscape Architecture
DEVARAI LAVA KUMAR, Indian Agricultural Research Institute, New Delhi

Ph. D. Scholar, Division of Floriculture and Landscaping
Dr. RITU JAIN, Indian Agricultural Research Institute, New Delhi

Principal Scientist, Division of Floriculture and Landscaping
Dr. VARUN HIREMATH, College of Horticulture (CAU), Thenzawl, Mizoram

Assistant Professor, Division of Floriculture and Landscaping
Dr. POOJA , College of Horticulture (CAU), Thenzawl, Mizoram

Assistant Professor, Division of Floriculture and Landscaping

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