Performance of Wheat Varieties Under Late Planting-Induced Heat Stress Condition

  • MM Rahman Department of Crop Physiology & Ecology, Hajee Mohammad Danesh Sci. & Technology University, Dinajpur
  • MA Hasan Department of Agronomy and Agricultural Extension, Rajshahi University, Rajshahi
  • MF Chowdhury Department of Agronomy and Agricultural Extension, Rajshahi University, Rajshahi
  • MR Islam Department of Crop Physiology & Ecology, Hajee Mohammad Danesh Sci. & Technology University, Dinajpur
  • MS Rana Department of Crop Physiology & Ecology, Hajee Mohammad Danesh Sci. & Technology University, Dinajpur
Keywords: Wheat genotypes, late planting, heat stress tolerance and yield

Abstract

The effect of late planting heat stress on physiological traits, yield attributes and yield of four wheat varieties (BARI Gom 25, BARI Gom 26, BARI Gom 28 and Sourav) were tested in the study. November 30 sowing was considered as control and December 30 sowing as the late planting heat stress condition. Wheat Var. BARI Gom 25, BARI Gom 26 and BARI Gom 28 showed greater stability of flag leaf chl, higher level of proline in flag leaf and kernel and greater ability to keep the canopy cooler compared to Sourav under late planting heat stress condition. More spike dry matter accumulation at peak, longer grain growth duration, better yield components such as number of grains spike-1, grain weight spike-1and 1000-grain weight under heat stress contributed to better tolerance of BARI Gom 25, BARI Gom 26 and BARI Gom 28. The order of tolerance based on grain yield was BARI Gom 25 > BARI Gom 28 > BARI Gom 26 > Sourav and the order of tolerance based on above ground biological yield was BARI Gom 28 > BARI Gom 26 > BARI Gom 25 > Sourav.

Bangladesh Agron. J. 2018, 21(1): 9-24

Downloads

Download data is not yet available.
Abstract
87
PDF
68

Author Biographies

MM Rahman, Department of Crop Physiology & Ecology, Hajee Mohammad Danesh Sci. & Technology University, Dinajpur

Department of Crop Physiology & Ecology

MA Hasan, Department of Agronomy and Agricultural Extension, Rajshahi University, Rajshahi

Department of Agronomy and Agricultural Extension

MF Chowdhury, Department of Agronomy and Agricultural Extension, Rajshahi University, Rajshahi

Department of Agronomy and Agricultural Extension

MR Islam, Department of Crop Physiology & Ecology, Hajee Mohammad Danesh Sci. & Technology University, Dinajpur

Department of Crop Physiology & Ecology

MS Rana, Department of Crop Physiology & Ecology, Hajee Mohammad Danesh Sci. & Technology University, Dinajpur

Department of Crop Physiology & Ecology

Published
2018-12-24
How to Cite
Rahman, M., Hasan, M., Chowdhury, M., Islam, M., & Rana, M. (2018). Performance of Wheat Varieties Under Late Planting-Induced Heat Stress Condition. Bangladesh Agronomy Journal, 21(1), 9-24. https://doi.org/10.3329/baj.v21i1.39357
Section
Original Articles