The interaction study effect between Potassium and water stress on some physiological characteristics at flowering stage of wheat plant (Triticum aestivum L.)
journal of kerbala university,
2013, Volume 9, Issue 2, Pages 223-232
AbstractThe effect of the Interaction study between added Potassium and water stress on some physiological indicators of wheat plant (Triticum aestivum L.) at flowering stage was studies . A field factorial experiment has been applied , within randomized complete block design (RCBD) of the sectors in Ibn Al- Bittar high industrial school located at Al – Husseiniyah district in Karbala governorate . Wheat c.v. IPA-99 was grown during growing season of 2012 – 2013 . The experiment included two factors with three replications, where the first factor represented three water stress levels i.e ( 100 , 75 and 50 ) % of wheat water consumption during the growing season which have been coded as (S1 , S2 and S3) respectively. The second factor has been represented by four Potassium fertilizer levels , ( 0 , 50 ,100 and 150) kg K . ha. -1 , which have been coded as (K0 , K1 , K2 and K3) respectively . They have been randomly distributed on all experimental units .The experiment included 36 experimental units . Results were statistically analyzed and the means were compared using of the least significant difference at (0.05) probability level . The measurements of some physiological indicators of wheat plant were taken in the complete flowering stage (100%) which are included (chlorophyll content in leaves , relative water content % , proline concentration in leaves , the activity of the enzymes peroxidase POD , catalase CAT and superoxide dismutase SOD in the leaves).
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