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FROST HARDINESS OF IRAQI WHEAT GENOTYPES. | ||
| Diyala Agricultural Sciences Journal | ||
| Article 1, Volume 7, Issue 1, 2015, Pages 41-50 | ||
| Authors | ||
| Mohammed Al-Issawi; Hail Z. Rihan; Usama H. Mahdi; Michael P. Fuller | ||
| Abstract | ||
| Frost hardiness level in winter cereals is especially temperature dependent. The low temperature which kills 50% of plants (LT50) is considered to be a standard indicator of frost hardiness level of plant. Frost hardiness is considered the most important parameter for the field survival which is the ultimate measure of winter-hardiness of a cultivar. This study aimed to determine the genetic level of frost hardiness of five Middle Eastern varieties (Abu-Ghraib, Fatah, IPA 95, IPA 99, and Sham 6) in comparison to the European cultivar (Claire). All of the Middle Eastern varieties tested showed very similar LT50’sin the non-acclimated state, whilst when of acclimated they responded in different ways to freezing temperatures. Abu-Ghraib and Claire showed more tolerance than the other cultivars. | ||
| Keywords | ||
| Iraqi wheat genotypes; European winter wheat; Frosthardiness | ||
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