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Root-knot nematode Meloidogyne spp. is one of the most dangerous pests on vegetable crops in Algeria. Actually, research of alternative methods against these enemies is necessary. Culture filtrates of three species of filamentous fungi, Trichoderma harzianum, T. atroviride, T. longibrachiatum, tested against Meloidogyne incognita showed a nematicide effect on larval mortality of the second stage and also inhibited the potential of hatching nematode whose effectiveness varies with species, time of exposition and concentration. Finally, the use of some of these species of fungi can be an alternative method in the management of this bioagressor.
Magalhães , M. T. , Silva , L. P. , Ulhoa , C. J. ( 2014 ) Peptaibols from Trichoderma asperellum TR356 strain isolated from Brazilian soil . SpringerPlus 3 , 600 . 4
Windham, M. T., Elad Y., Baker, R. (1985): Enhanced plant growth induced by Trichoderma amendments. Phytopathology , 75, 1302 (Abstract). Enhanced plant growth induced by Trichoderma
BISSETT, J., 1991c. A revision of the genus Trichoderma IV. Additional notes on section Longibrachiatum. Can. J. Bot. 69 . 2418-2420. A revision of the genus Trichoderma IV. Additional notes on section Longibrachiatum
Antal, Z., Kredics, L., Manczinger, L., Ferenczy, L. (2001) Extracellular enzyme profiles of mycoparasitic Trichoderma strains. IOBC/WPRS Bull. 24 , 337
Altintas, S., Bal, U. (2008) Effects of the commercial product based on Trichoderma harzianum on plant, bulb and yield characteristics of onion. Sci. Hortic. 116 , 219
Bissett, J. 1984. A revision of the genus Trichoderma . I. Sect. Longibrachiatum sect. nov. Can. J. Bot. 62 :924–931. Bissett J. A
Abbasi, P. A., Miller, S. A., Meulia, T., Hoitink, H. A. J., Kim, J. (1999) Precise detection and tracing of Trichoderma hamatum 382 in compost-amended potting mixes by using molecular markers. Appl. Environ
The abundance and diversity of indigenous Trichoderma fungi were tested for correlations with the natural colonization of symbiotic arbuscular mycorrhizal fungi (AMF) in Cd-, Zn- and Ni-polluted soils. Infection frequency (F%) and arbusculum richness (a%) of the mycorrhiza fungi were estimated on red clover grown in a pot experiment set up with calcareous loamy chernozem soil contaminated with Cd, Ni and Zn salts (in 0, 30, 90 and 270 mg kg -1 dry soil concentration) in the field, eight years prior to the pot experiment. Correlation analyses were used to assess the effect of different heavy metal loads on the interrelations of these two types of beneficial fungi. When the test was performed for single variables, significant correlations could be found with very close (r > 0.96 at p < 0.05) results. The rate and direction (positive or negative) of correlations, however, varied with the type of heavy metals. With the combinations of some Trichoderma and mycorrhiza parameters a significant model was obtained for the infection frequency (R² = 0.9405 at p = 0.0062) and for arbusculum richness (R² = 0.997 at p = 0.0007), which suggests a significant complex influence between the symbiotic (AMF) and the free-living ( Trichoderma ) beneficial fungi. This interaction was altered by heavy metals. In the Ni treatments, the correlation data were always negative between the two groups of beneficial fungi.
of cellulase in Trichoderma viride. J. Bacteriol. 83 , 400-408. Sophorose as an inducer of cellulase in Trichoderma viride. J. Bacteriol. 83
