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Contribution to the study of the biology of antagonistic fungi. VI. Effect of initial pH values of the culture medium and inoculum density on submerged culture of Trichoderma viride Pers. ex Fr


, : Contribution to the study of the biology of antagonistic fungi. VI. Effect of initial pH values of the culture medium and inoculum density on submerged culture of Trichoderma viride Pers. ex Fr. Studii si Cercetari de Biologie, Biologie Vegetala 38(2): 132-138

Opt. conditions for rapid development of conidia and chlamydospores on a Weindling medium were an initial pH 4-6.4 and an inoculum density 105-108 conidia/ml.


Accession: 001554158

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Sesan, T., 1986: Contribution to the study of the biology of antagonistic fungi vi. influence of the initial ph value of the culture medium and the inoculum titer on submerged cultures of the fungus trichoderma viride pers. ex fr. A Weindling medium with initial pH between 4.0 and 6.4 and an inoculum rich in conidia (1 .times. 108 - 1 .times. 105 conidia/ml) which ensure a fast development of both conidia and chlamydospores in the cultures are most favourable for the submer...

Bontea, V.; Sesan, T., 1980: Contribution to the study of the biology of some antagonistic fungi. 1. Effect of different culture media and sources of carbon on the growth and sporulation of Trichoderma viride Pers. & Fr. The 5 test isolates of T. viride grew and sporulated well on Weindling, Warcup, malt extract and PDA media. Of the carbon sources utilized, mannite, fructose, ribose, galactose, mannose, melibiose, maltose and cellulose were the best.

Sesan, T., 1983: Contributions to the study of the biology of some antagonistic fungi. III. Effect of the reaction of the medium on the growth and sporulation of Trichoderma viride Pers. ex Fr. In studies with 5 isolates growth was best at pH 4-5.5 and sporulation max. at pH 4-8.5. For 2 isolates biomass accumulation was max. at pH 4.5-5.5.

Sesan, T., 1984: Contribution to the study of the biology of some antagonistic fungi. IV. Effect of temperature on the growth and sporulation of Trichoderma viride Pers. ex Fr. The opt. temp. for growth or sporulation of 6 isolates was 24-32 degrees C.

Sesan, T., 1981: Contribution to the study of the biology of some antagonistic fungi. II. The effect of the sources of nitrogen on the growth and sporulation of Trichoderma viride Pers. ex Fr. The 5 isolates tested grew best on media containing peptone, the amino acids DL-leucine, L-cystine, DL-citruline and DL-nor-leucine, DL-asparagine amide and ammonium salts. Sporulation was favoured most by peptone, lysine, tryptophan, DL-asparagin...

Sesan, T., 1984: Contribution to the study of the biology of antagonistic fungi. V. Growth of Trichoderma viride Pers. ex Fr. on different stirred liquid media. In submerged cultures of 3 isolates, good growth and sporulation and max. utilization of nutrients were noted on beer must, Weindling's medium with pure glucose or glucose from food, and MBP medium.

Sesan, T., 1984: Contribution to the study of the biology of antagonistic fungi 5. cultivation of antagonistic fungi 5. cultivation of the fungus trichoderma viride in different agitated liquid media. In the submerged cultivation of Trichoderma viride isolates Td23, Td49 and Td50 on nine liquid media, some of which contained intermediate products or residues from the food commodity industry, the best growth was obtained on beer must (mB), on th...

Sesan, T., 1984: Contribution to the study of the biology of some antagonistic fungi 4. the influence of temperature on the growth and sporulation of the fungus trichoderma viride. For the growth and sporulation of Trichoderma viride isolates Td23, Td26, Td30, Td49 and Td50, the optimum temperature range between 24 and 32.degree. C. The temperature ranging between 2 and 12.degree. C do not allow fungal growth and sporulation...

Krafft, P.L.; Roquebert, M.F., 1981: Analysis of interactions between two antagonistic fungi: Trichoderma viride Pers. and Botrytis cinerea Pers. ex Fr. Preliminary studies. A fungistatic stage due to a diffusible antibiotic was followed by a fungicidal stage depending on contact between the 2 mycelia.

Lamy-Krafft, P.R.quebert, M., 1981: Analysis of the interactions between two antagonistic fungi: Trichoderma viride Pers. and Botrytis cinerea Pers. e. Fr. Preliminary studies. Cryptogamie mycologie(2): 137-151