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Research Article Open access CC BY 4.0

Influence of Thermal Regimes and Irrigation Schedules on Growth, Yield Attributes and Yield of Wheat (Triticum aestivum L.) Varieties

Aakanksha Lanjhewar, K. K. Agrawal, Manish Bhan, Kiran Patel

International Journal of Environment and Climate Change · pp. 484–490 · Published 7 Dec 2022

10.9734/ijecc/2022/v12i121485

Abstract

A field experiment was conducted at Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, Madhya Pradesh, India during the rabi season of 2020-2021 and 2021-2022, to study the Influence of thermal regimes and irrigation schedules on growth, yield attributes and yield of wheat (Triticum aestivum L.) varieties. The experiment was conducted in split plot design with three thermal regimes (3rd December, 18th December and 2nd January), four irrigation schedules (IW: CPE=1.0, IW: CPE= 0.9, IW: CPE= 0.8 and IW: CPE=0.7) and two varieties (Lok 1 and MP 3336) with three replications. Sowing time with proper application of irrigation and varieties significantly influenced yield attributes and ultimately yield of the wheat. Higher grain yield (4,735 kg ha-1) was observed under crop sown on 3rd December thermal regimes with IW: CPE=1.0, irrigation schedule and variety MP 3336 over rest of the treatments. It may be due to the maximum number of effective tillers (484.2 m-2), length of earhead (8.70 cm), no. of grains earhead-1 (45.5) and harvest index (41.91%) as compare to other treatment combinations. Significant lowest grain yield was noted under 2nd January thermal regimes with IW: CPE= 0.7, irrigation schedule and variety Lok 1. Wheat sown under 3rd December thermal regime with irrigation schedule (IW: CPE= 1.0) and variety MP 3336 produced significantly more yield attributes and yield.

Grain yield straw yield wheat thermal regimes irrigation schedules

References (7)

  1. 1 Performance of wheat varieties under different sowing dates in Jharkhand [DOI]
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  7. 7 Determination of suitable irrigation schedule for optimum water use efficiency of wheat crop.

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