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Effect of terminal heat stress on yield and yield components of spring bread wheat cultivars in Ahwaz, Iran

Author: Moshatati, A.
Author: Siadat, S.A.
Author: Alami-Saied, Kh.
Author: Bakhshandeh, A.M.
Author: Jalal Kamali, M.R.
Year: 2012
ISSN: 2228-7973
Abstract: In order to study the effect of terminal heat stress on grain yield and yield components of spring bread wheat cultivars, a stripe block design was conducted using randomized complete block design with three replications in 35 Km north-east Ahwaz in 2007-2008 cropping season. The vertical plots included four sowing dates (06 Nov., 06 Dec., 05 Jan. and 04 Feb.) and 20 cultivars (Atrak, Arvand1, S-80-18, Star, Inia66, Bolani, Bayat, Pishtaz, Chamran, Chenab70, Darab, Dez, Roshan, Shoeleh, Kavir, Maroon, Hamoon, Hirman and Vee/Nac) were randomized in horizontal plots. The results showed that sowing date, cultivars and their interaction had significant effects on all measured traits. The highest grain yield (5.949 t/ha) was produced in sowing dates of 06 Dec. and the lowest grain yield (1.690 t/ha) was produced in sowing dates of 04 Feb. Chamran had the highest grain yield and Inia66 had the lowest grain yield. Maximum grain yield (7.039 t/ha) related to Chamran in 06 Dec. and the minimum grain yield (1.219 t/ha) belonged to Falat in 04 Feb.
Format: PDF
Language: English
Publisher: Electronic Center for International Scientific Information
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Type: Article
Pages: 844-849
Issue: 6
Volume: 2
Keywords: Terminal Heat Stress
Keywords: Cultivars
Publisher URI:
Agrovoc: WHEAT
Agrovoc: GRAIN
Agrovoc: YIELDS
Journal: International Journal of Agriculture: Research and Review

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  • Wheat
    Wheat - breeding, phytopathology, physiology, quality, biotech

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