What question did this study set out to answer?

To evaluate the impact of terminal heat stress caused by delayed sowing dates on the growth and yield attributes of selected wheat varieties.

May 19, 2022International Journal of Environment and Climate ChangeOpen Access

Evaluation of Wheat Varieties for Terminal Heat Stress under Varying Environments

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To evaluate the impact of terminal heat stress caused by delayed sowing dates on the growth and yield attributes of selected wheat varieties.
Conducted a field experiment during the Rabi season of 2020–21 at Student's Instructional Farm, Kumarganj, Ayodhya, Uttar Pradesh.
Evaluated three sowing dates—November 30 (D1), December 15 (D2), and December 30 (D3)—across three wheat varieties: PBW-343 (V1), HD-2967 (V2), and Halna (V3).
Delayed sowing progressively and substantially reduced ear-bearing tillers per plant, grains per ear, ear length, biological yield per plant, and grain yield per plant due to elevated temperatures during grain filling.
Terminal heat stress caused severe yield reductions in varieties PBW-343 and HD-2967, whereas variety Halna mitigated heat stress through improved physiological traits, achieving higher yields.

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Implication

Field experiment demonstrates delayed sowing reduces yield components across wheat varieties, indicating Halna mitigates terminal heat stress through enhanced physiological traits.

Cite This Study

Lavkush et al. (2022) studied this question.

synapsesocial.com/papers/6a93fd2ce5eea3f359d68aa4 https://doi.org/10.9734/ijecc/2022/v12i1030829

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Implication

Field experiment demonstrates delayed sowing reduces yield components across wheat varieties, indicating Halna mitigates terminal heat stress through enhanced physiological traits.

Evaluation of Wheat Varieties for Terminal Heat Stress under Varying Environments

Key Points

Discussion

Implication

Cite This Study

Evaluation of Wheat Varieties for Terminal Heat Stress under Varying Environments

Key Points

Discussion

Implication

Cite This Study

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