International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2017, Volume : 5, Issue : 4
First page : (1808) Last page : (1812)
Article doi: http://dx.doi.org/10.18782/2320-7051.5731
Effect of Physiological Parameters on Growth of Aspergillus niger and Trichoderma harzianum
Kadali Satyakala1*, Anusha Alladi2 and K. D. Thakur3
1,2 PG Students, Plant Pathology Section, college of agriculture, Nagpur
3Professor,Plant Pathology, College of Agriculture, Nagpur
*Corresponding Author E-mail: satyakala3090@gmail.com
Received: 12.07.2017 | Revised: 23.07.2017 | Accepted: 25.07.2017
ABSTRACT
The study was aimed to carry out experiments to determine the optimal physiological parameters like pH, temperature and light regimes for the biomass production of Aspergillus niger and Trichoderma harzianum. The growth of fungi was recorded at 3rd, 5th and 7th day after incubation. A significant difference in the biomass production was recorded at tested pH levels i.e. 6.0, 7.0, 7.5 and 8.0. Both fungi showed highest biomass at pH 6.0. The plates were incubated at four different temperatures (20, 25, 30 and 350C) to evaluate the colony diameter (mm), both organisms showed best growth at 300C. Different light regimes i.e. 24h dark, 24h light, 8h dark & 8h light and 12h dark & 12h light on radial mycelial growth (mm) of two fungi was evaluated. The best growth of two fungi was recorded maximum at 12h dark & 12h light.
Key words: A.niger, T.harzianum, pH, temperature and light regimes
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782
Cite this article: Satyakala, K., Alladi. A. and Thakur, K. D., Effect of Physiological Parameters on Growth of Aspergillus niger and Trichoderma harzianum, Int. J. Pure App. Biosci.5(4): 1808-1812 (2017). doi: http://dx.doi.org/10.18782/2320-7051.5731
