Forecast Maize Phenology by Utilizing Thermal Indices under Foot  Hills of Shivalik Conditions of  Jammu and Kashmir

Sanjay Koushal; Sharan S P; Bhim Singh; Priyanka Elumle; Hridesh Harsha Sarma; Bibek Laishram; Okram Ricky Devi

doi:10.9734/jabb/2024/v27i91288

Research Article Open access CC BY 4.0

Forecast Maize Phenology by Utilizing Thermal Indices under Foot Hills of Shivalik Conditions of Jammu and Kashmir

Sanjay Koushal, Sharan S P, Bhim Singh, Priyanka Elumle, Hridesh Harsha Sarma, Bibek Laishram, Okram Ricky Devi

Journal of Advances in Biology & Biotechnology · pp. 192–198 · Published 22 Aug 2024

10.9734/jabb/2024/v27i91288

Abstract

Field experiments were conducted at Farmer fields at different locations of Reasi district, of Jammu region during kharif seasons of 2017, 2018 and 2019 to predict the phenology based on thermal indices in maize crop. The maize crop sown under irrigated conditions matured about one week late as compared to rainfed conditions and took more accumulated thermal time and Heliothermal units in all the three years of study. The accumulated growing degree days (GDD) and Heliothermal units (HTU) were significantly differed among dates; whereas in case of spacings it differed non-significantly except at physiological maturity in rainfed conditions. Mean accumulated growing degree days and Heliothermal units taken by each phenophase were recorded and then used for prediction of phenological development of maize crop. Significant regression equations were observed between different phenological stages of maize and GDD & HTU with the accuracy in the range of 89 to 97 and 54 to 66 per cent, respectively.

Maize irrigated rainfed spacing phenology growing degree days heliothermal units

References (3)

1 Thermal time for phenological development of four maize hybrids grown off-season in a subtropical environment [DOI]
2 Agro-climatic indices for predicting phenology of wheat (Triticum aestivum) in Punjab
3 Mustard aphid (Lipaphis erysimi Kalt) incidence in raya in relation to crop phenology and growing degree-days [DOI]

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Sanjay Koushal, Sharan S P, Bhim Singh, Priyanka Elumle, Hridesh Harsha Sarma, Bibek Laishram, Okram Ricky Devi (2024). Forecast Maize Phenology by Utilizing Thermal Indices under Foot Hills of Shivalik Conditions of Jammu and Kashmir. Journal of Advances in Biology & Biotechnology , 192–198. https://doi.org/10.9734/jabb/2024/v27i91288

Affiliations

Sanjay Koushal — KVK, Reasi, Sher-e-Kashmir University of Agricultural Sciences & Technology, Main Campus Chatha, Jammu -180009, India.
Sharan S P — Division of Agricultural Physics, ICAR-Indian Agricultural Research Institute, Pusa, New Delhi-110012, India.
Bhim Singh — Division of Agronomy, Sher-e-Kashmir University of Agricultural Sciences & Technology of Jammu, India.
Priyanka Elumle — Department of Agronomy, Assam Agricultural University, Jorhat-785013, Assam, India.
Hridesh Harsha Sarma — Department of Agronomy, Assam Agricultural University, Jorhat-785013, Assam, India.
Bibek Laishram — Department of Agronomy, Assam Agricultural University, Jorhat-785013, Assam, India.
Okram Ricky Devi — Department of Agronomy, Assam Agricultural University, Jorhat-785013, Assam, India.

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