Investigation of the effect of bio-phosphate solubilizer microorganisms and different cultivation beds on the soil available phosphorus and function of ivy geranium (Pelargonium peltatum Soland.)
To study the effect of organic compounds and bio-fertilizer on some attributes of ivy geranium (Pelarginum peltatum Soland.), an experiment was carried out based on R.C.B.D using two factors including phosphate bio-fertilizer (Barvar 2) and different substrates in 16 treatments, 4 replications, 64 experimental plots and 256 plants. Barvar 2 at two levels (application and non-application) and different substrates including 8 treatments containing garden soil and sand along with different organic compounds (v/v) were applied. In this study, stem length, shoot number, root length, number of floret per inflorescence, fresh weight of aerial part, root and petals, protein content, chlorophyll content, leaf phosphorus and available phosphorus content in the substrates were evaluated after harvest of plant. Results showed that both main effects and interactions were significant on all traits. In addition, Barvar 2 along with the cultivation beds containing a variety of organic resources such as garden soil sand solid waste compost water tank soil and sand tea compost cocopeat water tank soil had a better function on these traits. The measured physical and chemical characteristics in the cultivation bed of sand tea compost cocopeat water tank soil were more desirable as compared with other beds. The plants grown in this cultivation bed showed a higher performance in traits such as shoot number, number of floret per inflorescence, and chlorophyll content with an average of 5.90 and 6.42 floret per inflorescence, and 5.37 mg.g FW as compared with other treatments. Our results clearly showed that application of Barvar 2 along with this substrate could be recommended as a suitable supplement for the cultivation bed, providing a better growth of ivy geranium.
Iranian Journal of Medical and Aromatic Plants, Volume:31 Issue:6, 2016
988 - 1004  
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