in order to evaluate the physiological and biochemical traits in response to salinity, six varieties of wheat were cultivated in a split plot based on randomized complete block design in the growth chamber in the department of agronomy, faculty of agriculture, university of maragheh. seedlings of wheat cultivars, in three to four leaves stage were treated with 200 mm nacl for 14 days. after the...

in order to study the effect of planting date on duration of phenological periods in wheat cultivars, a randomized compelet block design experiment with four replications was conducted in gorgan university of agricultural science and natural resources research station. the factors were eight sowing dates (14 december, 20 january, 18 february, 20 march, 16 april, 21 may, 30 july and 6 august) an...

to cope with cold stress, winter cereals regulate their development through adaptive mechanisms such as vernalization requirement. eight wheat and four barley cultivars were planted to determine the relationship between vernalization fulfilment and expression of cold tolerance under both field and controlled conditions. cultivars were planted at maragheh and karaj agricultural research stations...