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Agriculture & Food, Volume 5, 2017

İrfan Öztürk, Tuğba Hilal Çiftçigil, Turhan Kahraman, Remzi Avci, Melis Seidi, Vedat Çağlar Girgin, Adnan Tülek, Bülent Tuna, Kemal Akin
Pages: 551-561
Published: 21 Aug 2017
Views: 747
Downloads: 228
Abstract: Infection of the biotic stress factors varies based on environment x genotypes interaction in Trakya region, Turkey. This research was carried out to investigate effect of the environmental condition on yield, quality parameters and some biotic stress based on location and correlation among these characters. The experiment was conducted in Trakya region at four locations during 2015-2016 growing cycle, with 25 advanced genotypes in RCBD with four replications. Grain yield, leaf rust, net blotch, plant height, days of heading, 1000-kernel weight, test weight, protein ratio, gluten, sedimentation, hardness and relationship among these parameters, based on location, were investigated. There were significant difference among genotypes and location. The mean yield of the experiment was 587.6 kg da-1 and the highest yield was determined in Lüleburgaz location. Various level of epidemic occurred in leaf rust and net blotch across location. Aldane and three genotypes were tolerant to leaf rust and net blotch. The correlation coefficient was varied based on location and genotypes. Leaf rust was negatively correlated with protein ratio across location. Net blotch was negatively correlated with gluten index and sedimentation value in all location. There was highly significant correlation with net blotch and gluten index in three locations where disease infection was higher. Under all location sedimentation was negatively affected by net blotch. Also there was negatively relation between grain yield with protein ratio and gluten value in all locations, with leaf rust at three locations, with net blotch at two locations.
Keywords: bread wheat, biotic stress, environment, genotypes, agronomic characters
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