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ISSN: 2637-4676

Current Investigations in Agriculture and Current Research

Research Article(ISSN: 2637-4676)

Model Development for Life Cycle Assessment of Rice Yellow Stem Borer under Rising Temperature Scenarios

Volume 2- Issue 4

Jatish C Biswas1, M Maniruzzaman2, MB Hossain2, Hazrat Ali1, Wais Kabir1 and N Kalra3*

  • Author Information Open or Close
    • 1Krishi Gobeshona Foundation (KGF), Bangladesh
    • 2IWM Division, Bangladesh Rice Research Institute, Bangladesh
    • 3Division of Agricultural Physics, Indian Agricultural Research Institute, India

    *Corresponding author: N Kalra, Division of Agricultural Physics, Indian Agricultural Research Institute, India

Received: May 01, 2018;   Published: May 10, 2018

DOI: 10.32474/CIACR.2018.02.000144

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A simple model was developed using Fortran Simulation Translator to study the influence of increased temperature on duration of various life cycle phases of yellow stem borer (YSB) in Bangladesh environment. Model was primarily based on Growing Degree Day concept, by also including cardinal temperatures sensitive for specific growing stages of YSB. After successful calibration and validation of the model, it was taken for climate change (only temperature rise considered in the present study) impact analysis on the growing cycle of YSB. Temperature increase values of 1, 2, 3 and 4 oC were considered and compared with the Control (no temperature rise), by using historic weather of representative locations in eight Divisions of Bangladesh. Differential spatial response in the life cycle of YSB under various temperature rise treatments was noticed, and in general the growing cycle hastened with the rising temperature. The life cycle of YSB is likely to be reduced by about 2 days for every degree celcius rise in temperature, while averaged over locations. This means that there will be 2.0-2.5 additional generations of YSB in pre-monsoon season about 2.9-3.2 in wet season of Bangladesh. There is a need to include the phenology module developed in subsequent design of population dynamics model for YSB.

Keywords: Model; Growing degree days; Yellow stem borer; Life cycle assessment; Temperature rise

Abstract| Introduction| Materials and Methods| Results and Discussion| Conclusion| Acknowledgement| References|

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