Published in Scientific Papers. Series B, Horticulture, Vol. LXVI, Issue 2
Written by Mansoor Abed ABOOHANAH, Jamal Ahmed Abbass SALMAN, Laith Jaafar Hussein HNOOSH
Field experiment was conducted in a farm of Najaf governorate during 2018-2019 season, to study the effect of different concentrations of Azotobacter and hornwort on growth parameters of Eggplant (Solanum melongena L.). The experiment included 6 treatments concerning in three different concentrations of Azotobacter (0, 5 and 10 g.100 ml-1 d.w) and two levels of hornwort (0 and 5 T.Ha-1). The use of Azotobacter had an increasing effect with concentration 10g.100ml-1 on all vegetative growth parameters and carbohydrate (plant length, leaves number, shoot dry weight, stem diameter, total chlorophyll in leaves and total soluble carbohydrate in leaves) compared with control treatment (sprays with distilled water) which gave the least means values. Interaction between factors reveal a significant effect in all vegetative growth parameters and carbohydrate. Hornwort addition with level 5 T.Ha-1 had a significant effect on all vegetative growth parameters compared with the control treatment. Interaction between two factors gave a significant effect on all vegetative growth and carbohydrate. 10g.100 ml-1of Azotobacter had a significant effect on all fruit growth parameters (fruit numbers, diameter and length) compared with control treatment which gave the least means. Hornwort addition with level 5 T.Ha-1 had a significant effect on all fruit growth parameters compared with control treatment. Interaction between two factors gave a significant effect on all fruit growth parameters.
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