Developments in Plant Breeding
DOI: 10.1007/1-4020-5497-1_46
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Expression Quantitative Trait Loci Mapping Heat Tolerance During Reproductive Development in Wheat (Triticum Aestivum)

Abstract: Abstract:High temperature during reproductive development is a major limitation to wheat production and end-use quality in the Southern Great Plains (USA) and to wheat production in many environments worldwide. We have initiated a project to integrate genotypic (QTL), phenotypic and transcript level data to identify genes controlling reproductive stage heat tolerance in heat tolerant genotypes of wheat as it relates to yield and end-use quality maintenance. Efforts have initially focused on building recombinan… Show more

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Cited by 40 publications
(30 citation statements)
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“…Decreases in individual grain weight due to HT increased linearly with increased duration of stress, such that after the first day of HT stress, each additional day decreased individual grain weight by 1.6% (Stone and Nicolas 1998). Similarly, Hays et al (2007) showed that a day of HT (40/18 C day/night) at 10 days after anthesis caused a 10-30% reduction in individual grain weight of wheat. Decreases in individual grain weight generally result from shortening of grain filling duration (Stone and Nicolas 1995;Prasad et al 2008b).…”
Section: Introductionmentioning
confidence: 92%
“…Decreases in individual grain weight due to HT increased linearly with increased duration of stress, such that after the first day of HT stress, each additional day decreased individual grain weight by 1.6% (Stone and Nicolas 1998). Similarly, Hays et al (2007) showed that a day of HT (40/18 C day/night) at 10 days after anthesis caused a 10-30% reduction in individual grain weight of wheat. Decreases in individual grain weight generally result from shortening of grain filling duration (Stone and Nicolas 1995;Prasad et al 2008b).…”
Section: Introductionmentioning
confidence: 92%
“…Terminal heat stress largely refers to a rise in temperature at the time of grain growth (grain filling duration, GFD). High temperature during grain development (grain filling) is a major limitation to wheat production in many environments worldwide (Hays et al 2007). Heat stress is a problem in 40 % of temperate environments which covers more than 36 million ha (Reynolds et al 2001).…”
Section: Introductionmentioning
confidence: 99%
“…According to Hays et al (2007), 32-35°C is common in the Southern Great Plains of the US where roughly 30-40 % of the country's wheat crop is grown and in the northern region of Israel where more than 70 % of its wheat production is located. Furthermore, current estimates indicate that in India alone, more than 13.5 million ha of wheat growing area is heat stressed (Joshi et al 2007c).…”
Section: Introductionmentioning
confidence: 99%
“…A significant wheat growing area in South Asia is affected by heat stress and majority of this area lies in Eastern Gangetic Plains, central and peninsular parts of India (Joshi et al, 2007a, b). Globally, wheat on 36 Mha area (40% of the temperate environment) is subjected to heat (terminal heat in irrigated environments) stress (Hays et al, 2007;Reynolds et al, 2001). It is predicted that increase of 1°C in temperature will result in 4-5 million tons (3-4%) of loss in wheat production (Wardlaw et al, 1989).…”
Section: Introductionmentioning
confidence: 99%