ﺑﺮرﺳﻲ اﺛﺮ ﺗﻨﺶ ﺧﺸﻜﻲ ﺑﺮ روی ﻣﻴﺰان ﭘﺮوﺗﺌﻴﻦ، ﭘﺮوﻟﻴﻦ و ﻫﻴﺪراتﻫﺎی ﻛﺮﺑﻦ ﺑﺮ ﺗﻌﺪادی ﻫﻴﺒﺮﻳﺪﻫﺎی ذرت در ﻣﻐﺎن

In order to study the effect of drought stress on total protein, carbohydrate and proline, an experiment was conducted as split plot using randomized complete block design with three replications. The main plot consist of three irrigation regime and seven corn hybrids were considered as sub-plot Analysis of variance showed significant differences among irrigation for all studied physiological parameters. In drought condition, the amount of total protein, carbohydrate and proline were higher as compared with non-stress condition. With the increase of stress intensity, accumulation of proline was increased in leaves. The highest amount of total protein was observed in SC302 in stress on Anthesis stage. SC301 had the highest carbohydrate content in stress on Anthesis stage and the highest amount of proline was observed in stress condition on grain filling period.