Genetic Analysis of Response to Water Deficit Stress Based on Physiological Traits in Wheat

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ASADI ALI AKBAR; VALIZADEH MOSTAFA; MOHAMMADI SEYED ABOLGHASEM; KHODARAHMI MANOCHEHR

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Paper Information

Journal: JOURNAL OF PLANT GENETIC RESEARCH Year:2019 | Volume:6 | Issue:2 Page(s): 1-20

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Title

Genetic Analysis of Response to Water Deficit Stress Based on Physiological Traits in Wheat

Author(s)

ASADI ALI AKBAR | VALIZADEH MOSTAFA | MOHAMMADI SEYED ABOLGHASEM | KHODARAHMI MANOCHEHR | Issue Writer Certificate

Keywords

Water deficit conditionQ2

Physiologic traitsQ2

WheatQ2

Abstract

Dehydration is the most important limiting factor in agricultural production in arid and semi-arid regions, and water shortages (especially at the reproductive stages) due to lack of precipitation and unequal distribution are inappropriate for limiting the yield. In this research, cross between the Gasspard cultivar (dehydrated susceptible parent) and DN11 line (resistant parent) was performed. F1, F2, F3, BC1 and BC2 generations along with parents, were planted in a randomized complete blocks design with three replications in normal and Water deficit conditions for two consecutive years. Physiological traits were measured for single plant samples. Weighted analysis of variance showed that water deficit stress caused significant decrease in flag leaf area and unsignificant decrease in stomatal conductance. Generation mean analysis for Chlorophyll index was accompanied by different results in terms of regression fitted models for each environment, but for stomatal conductance, the results of the generation mean analysis were the same in both environments. In addition to additive and dominant effects, epistatic interaction effects also played role in the inheritance of all studied traits. Most of these effects were double-effects. In flag leaf area, additive, additive × dominant and dominant × dominant effects were involved in inheritance. In water relative content, in addition to these effects, dominant effect was also involved in inheritance. Generations variance analysis showed that the gene action was additive for relative water content, dominant for flag leaf area and over dominant (in both conditions) for stomatal conductance. The gene action for Chlorophyll index under stress and normal conditions were over dominant and additive respectively.

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APA: Copy

ASADI, ALI AKBAR, VALIZADEH, MOSTAFA, MOHAMMADI, SEYED ABOLGHASEM, & KHODARAHMI, MANOCHEHR. (2019). Genetic Analysis of Response to Water Deficit Stress Based on Physiological Traits in Wheat. JOURNAL OF PLANT GENETIC RESEARCH, 6(2 ), 1-20. SID. https://sid.ir/paper/381409/en

Vancouver: Copy

ASADI ALI AKBAR, VALIZADEH MOSTAFA, MOHAMMADI SEYED ABOLGHASEM, KHODARAHMI MANOCHEHR. Genetic Analysis of Response to Water Deficit Stress Based on Physiological Traits in Wheat. JOURNAL OF PLANT GENETIC RESEARCH[Internet]. 2019;6(2 ):1-20. Available from: https://sid.ir/paper/381409/en

IEEE: Copy

ALI AKBAR ASADI, MOSTAFA VALIZADEH, SEYED ABOLGHASEM MOHAMMADI, and MANOCHEHR KHODARAHMI, “Genetic Analysis of Response to Water Deficit Stress Based on Physiological Traits in Wheat,” JOURNAL OF PLANT GENETIC RESEARCH, vol. 6, no. 2 , pp. 1–20, 2019, [Online]. Available: https://sid.ir/paper/381409/en

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