Genetic Resources and Crop Evolution

, Volume 64, Issue 2, pp 321–330 | Cite as

Assessment of genetic variability in the endangered Citrus macroptera Mont. (“hatkora”) from Mizoram, north-east India

  • T. K. Hazarika
  • Jonathan Lalchhanmawia
  • Lalrinfeli Chhangte
  • Lalthlamuani Chhangte
  • A. C. Shukla
  • B. P. Nautiyal
Research Article
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Abstract

Assessment of genetic variability in the available germplasm is the prerequisite for development of improved genotypes through planned breeding programmes. In view of this, 39 “hatkora” (Citrus macroptera Mont.) genotypes collected from different locations of Mizoram, India were evaluated for physico-chemical characteristics during 2013–2015. The study reveals that there was significant variation among the collections in these particular traits. Individual fruit weight ranged from 277.78 to 617.69 g; fruit diameter 9.32–12.52 cm; fruit length 7.74–10.19 cm, fruit volume 238.33–583.33 cc; pulp weight 153.75–320.94 g; pulp:peel ratio 1.50–3.24 and seed number 9.33–23.6. Similarly, the chemical parameters also varied significantly among different germplasms. The juice content varied from 13.45 to 32.53 %, ascorbic acid 34.81–73.64 mg/100 mL, TSS 6.15–9.10 %, acidity 5.03–8.75 %, total sugars 5.16–7.97 % and sugar:acid ratio 0.75–1.52. From the analysis of genetic parameters, it could be concluded that characters like fruit weight, fruit length, fruit diameter, fruit volume, pulp weight, pulp–peel ratio, juice, Total soluble solids (TSS), acidity, ascorbic acid, total sugars, and sugar–acid ratio could be used as selection criteria for development of effective and productive plant types in “hatkora”. Wide range of variation in physico-chemical parameters of “hatkora” fruits indicated the great scope of individual plant selection based on these characters for future genetic improvement programme.

Keywords

Citrus macroptera Genetic diversity Mizoram North-east India Physico-chemical characteristics 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  • T. K. Hazarika
    • 1
  • Jonathan Lalchhanmawia
    • 1
  • Lalrinfeli Chhangte
    • 1
  • Lalthlamuani Chhangte
    • 1
  • A. C. Shukla
    • 1
  • B. P. Nautiyal
    • 2
  1. 1.Department of Horticulture, Aromatic and Medicinal Plants, School of Earth Sciences and Natural Resources ManagementMizoram UniversityTanhril, AizawlIndia
  2. 2.College of HorticultureUttarakhand University of Horticulture and ForestryBharsarIndia

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