The effect of water deficit stress and manure on quantitative and qualitative yield and some characteristics of physiological (Plantago Ovata Forssk.)

In order to study effect of water deficit stress and manure onon quantitative and qualitative yield and some characteristics of physiologicalof plantago ovate a pot experiment was performed at the greenhouse of Jiroft Islamic Azad University, Iran, in 2009. For this purpose split plot design based on complete randomized block with 3 replication was used. Irrigation treatments consist of 3 level: 75%FC (mild stress), 50%FC (Medium stress) and 25%FC (Sever Stress) were main factors and manure levels (0, 10, 20, 30 and 40 ton/ha) were selected as sub factors. The results showed effect of water deficit stress and manure and also interaction effect between two factor on seed yield were significant (P<5% and p<1%). Highest seed yield (232.3 kg/ha) obtained from mild stress with using 20 ton/ha manure. This two factor had no significant on mucilage. With increasing water deficit stress RWC was decreased. The maximum RWC obtained by using 40 ton/ha. Cell membrane stability was decreased under sever stress. Thus in Jiroft it's necessary for reach high yield in plantago ovata 20 t/ha manure.