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The physiological basis of genetic variation in drought response and its association with yield and related indices is not clear in tall fescue. In this study thirty genotypes of tall fescue (Festuca arundinacea Schreb.) were sampled from a polycross population and evaluated under two levels of irrigation in 2010 (normal and intense stress) and 2011 (normal(More)
Despite efforts made, forage yield of smooth bromegrass has increased slowly over the last 50 years of breeding. It therefore seems necessary to investigate more on the genetic basis of agro-morphological traits in this cool-season, highly drought resistant grass. The present study was aimed at estimation of total genetic variance, narrow-sense(More)
Evaluation of yield performance and its stability is essential for yield trials conducted in different environments. We determined the forage yield stability of 24 tall fescue (Festuca arundinacea Schreb.) genotypes using different parametric and non-parametric stability measures and compared those stability statistics across 14 test environments(More)
In forage grasses, knowledge about genetic analysis of seed production and its association with related traits under water deficit condition is very limited. Half sib families derived from polycross of 25 Orchardgrass genotypes were evaluated under normal and drought stress environments in the field during 2012 and 2013. Results showed that drought stress(More)
This study was aimed to evaluate genetic diversity for drought tolerance and persistency of Iranian and foreign germplasm of orchardgrass. Thirty six genotypes of orchardgrass were clonally propagated and grown in the field under two moisture environments (normal and drought stress) for 3 years (2013–2015). High genotypic variation was observed among(More)
Underutilized hulled wheat species may be valuable sources of genes for wheat improvement. Hulled wheats of mountainous Central Zagros area of Iran are poorly studied with unclear classification status. In this study, the region was extensively searched and hulled wheats were sampled from local farmers’ fields. Cytogenetic studies of several samples(More)
Interactions between Neotyphodium endophytes and cool season grasses may improve host performance especially under stress conditions. In this research, Neotyphodium-endophyte effects were evaluated for reaction of tall and meadow fescues to powdery mildew, Blumeria graminis, in greenhouse and field trials. Field grown and potted plants of endophyte-infected(More)
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