In the present study, the interactive effect of culture filtrates of the cyanobacterium Anabaena flos aquae and the fungus Penicillium citrinum were studied on the growth criteria of soybean Glycine max cultivar "Crawford". The cyanobacterial filterates of Anabaena flos aquae provoked growth parameters in soybean. Moreover, significant promoted growth of soybean seedlings was recorded when the cyanobacterial filtrate of Anabaena flos aquae combined together with the fungal culture filtrate of Penicillium citrinum, an increase in plant length by 37.32%, shoot length by 51.09%, plant fresh weight by 54.37% and shoot fresh weight by 47.49% as compared to the controls.
Key words: Biofertilizers, Anabaena flos aquae, Penicillium citrinum, Glycine max.
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