Abstract
In the present study, Thinopyrum bessarabicum [(Savul. & Rayss) Á. Löve (Poaceae)], known for its rust resistance and heat tolerance traits, was incorporated into a breeding program. Seven different durum (AABB) and two bread (AABBDD) wheat cultivars were carefully chosen as recipient parents for improvement in abiotic stress tolerance traits. The resultant fixed lines were rigorously examined for a range of agronomic and physiological traits during the rabi seasons of 2019 and 2020 in four environments for two consecutive years across two locations, Hisar and Karnal, Haryana. Analysis using AMMI and GGE methods, focusing on grain yield per plot (kg/plot) across multiple environments, revealed that these amphidiploids exhibited superior performance in E4>E3>E2>E1, signifying that their average performance excelled under heat and drought stress conditions. All nine amphidiploids demonstrated their best performance in Hisar under drought and temperature stress. Among these, EC787014 (T. aestivum L. cv. Chinese Spring X Th. bessarabicum) emerged as the top-performing genotype in both years for the heat and drought stress environment (E4), with an average yield of 0.506 kg/plot in 2019 and 0.494 kg/plot in 2020.
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Claims 4
Claim · model-written summary
Amphidiploid grain yield ranked E4 above E3, E2 and E1, with best average performance under heat and drought stress.
- Taxon
- Thinopyrum bessarabicumThinopyrum bessarabicumt0
- Outcome
- grain yield per plot (kg/plot)e0
- Direction
- superiore0
- Qualifier
- E4>E3>E2>E1e0
Verbatim
t0“Thinopyrum bessarabicum”
e0“Analysis using AMMI and GGE methods, focusing on grain yield per plot (kg/plot) across multiple environments, revealed that these amphidiploids exhibited superior performance in E4>E3>E2>E1, signifying that their average performance excelled under heat and drought stress conditions”
Claim · model-written summary
All nine amphidiploids performed best in Hisar under drought and temperature stress.
Verbatim
t0“Thinopyrum bessarabicum”
e0“All nine amphidiploids demonstrated their best performance in Hisar under drought and temperature stress”
Claim · model-written summary
EC787014 was the top-yielding genotype in E4 in 2019 with 0.506 kg/plot.
Verbatim
t0“Thinopyrum bessarabicum”
e0“EC787014 (T. aestivum L. cv. Chinese Spring X Th. bessarabicum) emerged as the top-performing genotype in both years for the heat and drought stress environment (E4), with an average yield of 0.506 kg/plot in 2019 and 0.494 kg/plot in 2020”
Claim · model-written summary
EC787014 was the top-yielding genotype in E4 in 2020 with 0.494 kg/plot.
Verbatim
t0“Thinopyrum bessarabicum”
e0“EC787014 (T. aestivum L. cv. Chinese Spring X Th. bessarabicum) emerged as the top-performing genotype in both years for the heat and drought stress environment (E4), with an average yield of 0.506 kg/plot in 2019 and 0.494 kg/plot in 2020”