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Chilling Hours and Growing Degree Days of Himalayan Wild Pomegranate

Received: 28 June 2023     Accepted: 16 August 2023     Published: 28 October 2023
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Abstract

The purpose of the present experiment was to determine chilling hours and growing degree hours of Punica granatum L. in four sites viz., Narag, Jonaji, Waknaghat and Nauni, in Himachal Pradesh, India. More variation exists between sites as compared to the within sites for most of the duration of phenophases. Chilling hour and GDH for vegetative bud were lower as compared to reproductive bud. Chilling hours and growing degree hours for vegetative bud ranged from 779.0 (Nauni) to 921.9 hours (Jonaji) and 914.5 (Jonaji) to 1067.9°C (Narag), respectively. However, for reproductive bud, chilling hours and growing degree hours fluctuated from 836.0 (Narag) to 1155.1 hours (Jonaji) and 1220.0 (Jonaji) to 2164.3°C (Narag), respectively. Narag with warmer microclimate had lower chilling requirement and higher value for growing degree hours than the Jonaji with cooler microclimate, suggesting adaption of the genotypes to the given climatic conditions. GDH was significantly correlated with the leaf area (0.64) and fruit weight (0.69) of the wild pomegranate. The findings of this study have important implications for optimizing the cultivation and management of Punica granatum L. in varying climatic conditions. Understanding the differential chilling and growing degree hour requirements between vegetative and reproductive buds, as well as the influence of microclimate on these parameters, can guide the selection of suitable genotypes for specific locations.

Published in World Journal of Agricultural Science and Technology (Volume 1, Issue 4)
DOI 10.11648/j.wjast.20230104.15
Page(s) 106-113
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2023. Published by Science Publishing Group

Keywords

Punica Granatum, Chilling Hours, Growing Degree Days, Leaf Area, Fruit Weight

References
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[7] Ikinci, A., Mamay, M., Unlu, L., Bolat, I. and Ercisli, S. Determination of heat requirements and effective heat summations of some pomegranate cultivars grown in Southern Anatolia, Erwerbs-Obstbau, 2014, vol. 56, pp 131–138. https://DOI:10.1007/s10341-014-0220-8
[8] Jackson, D. Climate and fruit plants. In: Jackson, D. I. and N. E. Looney (Eds.) Temperate and Subtropical Fruit Production. 2nd edition, CABI Publishing, New York, U.S., 1999, pp 7-14.
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Cite This Article
  • APA Style

    Divya Mehta, Tara Gupta, Rakesh Kumar Gupta, Sanjeev Thakur, Jai Pal Sharma, et al. (2023). Chilling Hours and Growing Degree Days of Himalayan Wild Pomegranate. World Journal of Agricultural Science and Technology, 1(4), 106-113. https://doi.org/10.11648/j.wjast.20230104.15

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    ACS Style

    Divya Mehta; Tara Gupta; Rakesh Kumar Gupta; Sanjeev Thakur; Jai Pal Sharma, et al. Chilling Hours and Growing Degree Days of Himalayan Wild Pomegranate. World J. Agric. Sci. Technol. 2023, 1(4), 106-113. doi: 10.11648/j.wjast.20230104.15

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    AMA Style

    Divya Mehta, Tara Gupta, Rakesh Kumar Gupta, Sanjeev Thakur, Jai Pal Sharma, et al. Chilling Hours and Growing Degree Days of Himalayan Wild Pomegranate. World J Agric Sci Technol. 2023;1(4):106-113. doi: 10.11648/j.wjast.20230104.15

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  • @article{10.11648/j.wjast.20230104.15,
      author = {Divya Mehta and Tara Gupta and Rakesh Kumar Gupta and Sanjeev Thakur and Jai Pal Sharma and Parminder Kaur Baweja and Parul Sharma},
      title = {Chilling Hours and Growing Degree Days of Himalayan Wild Pomegranate},
      journal = {World Journal of Agricultural Science and Technology},
      volume = {1},
      number = {4},
      pages = {106-113},
      doi = {10.11648/j.wjast.20230104.15},
      url = {https://doi.org/10.11648/j.wjast.20230104.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wjast.20230104.15},
      abstract = {The purpose of the present experiment was to determine chilling hours and growing degree hours of Punica granatum L. in four sites viz., Narag, Jonaji, Waknaghat and Nauni, in Himachal Pradesh, India. More variation exists between sites as compared to the within sites for most of the duration of phenophases. Chilling hour and GDH for vegetative bud were lower as compared to reproductive bud. Chilling hours and growing degree hours for vegetative bud ranged from 779.0 (Nauni) to 921.9 hours (Jonaji) and 914.5 (Jonaji) to 1067.9°C (Narag), respectively. However, for reproductive bud, chilling hours and growing degree hours fluctuated from 836.0 (Narag) to 1155.1 hours (Jonaji) and 1220.0 (Jonaji) to 2164.3°C (Narag), respectively. Narag with warmer microclimate had lower chilling requirement and higher value for growing degree hours than the Jonaji with cooler microclimate, suggesting adaption of the genotypes to the given climatic conditions. GDH was significantly correlated with the leaf area (0.64) and fruit weight (0.69) of the wild pomegranate. The findings of this study have important implications for optimizing the cultivation and management of Punica granatum L. in varying climatic conditions. Understanding the differential chilling and growing degree hour requirements between vegetative and reproductive buds, as well as the influence of microclimate on these parameters, can guide the selection of suitable genotypes for specific locations.
    },
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Chilling Hours and Growing Degree Days of Himalayan Wild Pomegranate
    AU  - Divya Mehta
    AU  - Tara Gupta
    AU  - Rakesh Kumar Gupta
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    AU  - Jai Pal Sharma
    AU  - Parminder Kaur Baweja
    AU  - Parul Sharma
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    DO  - 10.11648/j.wjast.20230104.15
    T2  - World Journal of Agricultural Science and Technology
    JF  - World Journal of Agricultural Science and Technology
    JO  - World Journal of Agricultural Science and Technology
    SP  - 106
    EP  - 113
    PB  - Science Publishing Group
    SN  - 2994-7332
    UR  - https://doi.org/10.11648/j.wjast.20230104.15
    AB  - The purpose of the present experiment was to determine chilling hours and growing degree hours of Punica granatum L. in four sites viz., Narag, Jonaji, Waknaghat and Nauni, in Himachal Pradesh, India. More variation exists between sites as compared to the within sites for most of the duration of phenophases. Chilling hour and GDH for vegetative bud were lower as compared to reproductive bud. Chilling hours and growing degree hours for vegetative bud ranged from 779.0 (Nauni) to 921.9 hours (Jonaji) and 914.5 (Jonaji) to 1067.9°C (Narag), respectively. However, for reproductive bud, chilling hours and growing degree hours fluctuated from 836.0 (Narag) to 1155.1 hours (Jonaji) and 1220.0 (Jonaji) to 2164.3°C (Narag), respectively. Narag with warmer microclimate had lower chilling requirement and higher value for growing degree hours than the Jonaji with cooler microclimate, suggesting adaption of the genotypes to the given climatic conditions. GDH was significantly correlated with the leaf area (0.64) and fruit weight (0.69) of the wild pomegranate. The findings of this study have important implications for optimizing the cultivation and management of Punica granatum L. in varying climatic conditions. Understanding the differential chilling and growing degree hour requirements between vegetative and reproductive buds, as well as the influence of microclimate on these parameters, can guide the selection of suitable genotypes for specific locations.
    
    VL  - 1
    IS  - 4
    ER  - 

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Author Information
  • Department of Tree Improvement and Genetic Resources, Dr Yashwant Singh Parmar University of Horticulture and Forestry Nauni, Solan, India

  • Department of Tree Improvement and Genetic Resources, Dr Yashwant Singh Parmar University of Horticulture and Forestry Nauni, Solan, India

  • Department of Basic Science, Dr Yashwant Singh Parmar University of Horticulture and Forestry Nauni, Solan, India

  • Department of Tree Improvement and Genetic Resources, Dr Yashwant Singh Parmar University of Horticulture and Forestry Nauni, Solan, India

  • Department of Tree Improvement and Genetic Resources, Dr Yashwant Singh Parmar University of Horticulture and Forestry Nauni, Solan, India

  • Directorate of Extension Education, Dr Yashwant Singh Parmar University of Horticulture and Forestry Nauni, Solan, India

  • Department of Biotechnology, Dr Yashwant Singh Parmar University of Horticulture and Forestry Nauni, Solan, India

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