Evaluation of bio-fertilizers application of seaweed and azolla on Ornamental Plant of Iranian Petunia (Petunia hybrida)
Subject Areas : Journal of Plant EcophysiologyHooria Jahani 1 , Mohammad Saeead Tadion 2 , Golamreaz Moafporian 3
1 - student
2 - Assistant Professor, Department of soil and water ,Research Center of Agriculture and Natural Resources, Fars Province
3 - Assistant Professor, Department of soil and water ,Research Center of Agriculture and Natural Resources, Fars Province
Keywords: Chlorophyll, Carotenoid, Color flower index,
Abstract :
Increased awareness of the environmental pollution and social impacts of chemical fertilizers have stimulated interest in biological fertilizers (bio-fertilizers). In order to evaluate the use of bio-Fertilizers (Seaweed and Azolla) on morphological and physiological characters of Petunia hybrida, a study was conducted in 2015 at Islamic Azad University, Arsanjan branch, Fars Province. The experiment was carried out in a factorial in completely randomized design with three replications. The bio-fertilizers factors contain three levels of seaweed and azolla. The results showed that the application of seaweed and azolla at 0.4 and 25 gr kg-1 soil can be improved P. hybrida morphological and physiological characters. The highest dry weight of P. hybrida was obtained with application of seaweed and azolla at 0.4 and 25 gr kg-1 soil. Seaweed and azolla application at 0.4 and 25 gr kg-1 soil can be increased chlorophyll a and carotenoid pigments at 89.14 and 86.71 percent, respectively. Seaweed and azolla application at 0.4 and 25 gr kg-1 soil can be reduced Flowering time for 27 days faster in comparison to the control treatment (without bio-fertilizer). Overall, to achieve the highest P. hybrida vegetative and reproductive parameters, and reduce production cost, bio-fertilizers application of seaweed and azolla at 0.4 and 25 gr kg-1 soil, is recommended.
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