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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:8, August, 2020

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(8): 3996-4002
DOI: https://doi.org/10.20546/ijcmas.2020.908.460


Growing Degree Days and Heat Use Efficiency Influenced by Dates of Sowing and Irrigation Levels on Rainfed Chickpea
Medida Sunil Kumar*, M. Martin Luther, Ch. Pulla Rao, K. L. Narasimha Rao and P. Ratna Prasad
Agronomy, Geospatial Technology Centre, RARS, ANGRAU, Lam, Guntur, Andhra Pradesh, India
*Corresponding author
Abstract:

A field experiment was conducted during Rabi, 2016-17 on black soils to find the influence of dates of sowing and irrigation levels on chickpea heat use efficiency and heat units required to reach different phenophases. The chickpea crop required 82 to 97°C days at emergence, whereas to enter the reproductive stage (first flower) crop required 794 to 1073°C days. The growing degree days required by chickpea to reach maturity ranged from 2066 to 2200°C days. The phenophases, emergence, and end pod were not influenced by irrigation levels. Irrigation levels influenced growing degree days at physiological maturity and harvest. Delay in sowing led to a decrease in heat use efficiency.


Keywords: Irrigation Levels, Rainfed Chickpea

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How to cite this article:

Medida Sunil Kumar, M. Martin Luther, Ch. Pulla Rao, K. L. Narasimha Rao and Ratna Prasad, P. 2020. Growing Degree Days and Heat Use Efficiency Influenced by Dates of Sowing and Irrigation Levels on Rainfed Chickpea.Int.J.Curr.Microbiol.App.Sci. 9(8): 3996-4002. doi: https://doi.org/10.20546/ijcmas.2020.908.460
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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