Now showing items 1-4 of 4
New strains obtained after UV treatment and protoplast fusion of native Trichoderma harzianum: their biocontrol activity on Pyrenochaeta lycopersici
(Pontificia Universidad Católica de Valparaíso, 2007)
The obtainment of 30 new strains from native Trichoderma harzianum after UV light irradiation (UV-A and UV-C), and of 82 strains resulted from protoplast fusion were accomplished. The new strains, initially selected for ...
Selection of bioantagonistic bacteria to be used in biological control of Rhizoctonia solani in tomato
(Pontifiicia Universidad Católica de Valparaíso, 2003)
Bacteria from the rhizoplane and surrounding soil of healthy and Rhizoctonia solani diseased tomato plants, cropped in greenhouse of the V Region of Chile, were collected. The best bacterial strains, based on their ability ...
Biocontrol of root and crown rot in tomatoes under greenhouse conditions using Trichoderma harzianum and Paenibacillus lentimorbus. Additional effect of solarization
(Pontificia Universidad Católica de Valparaíso, 2005)
Trichoderma harzianum 650 (Th650) and Paenebacillus lentimorbus 629 (Pl629) selected earlier for their ability to control Rhizoctonia solani, Fusarium solani and F. oxysporum in vitro, were applied alone or combined with ...
In vitro biocontrol activity of Trichoderma harzianum on Alternaria alternata in the presence of growth regulators
(Pontificia Universidad Católica de Valparaíso, 2001-08)
The in vitro biocontrol ability of Trichoderma harzianum on the phytopathogen Alternaria alternata improved in the presence of the growth regulators gibberellic acid (GA3), or indolacetic acid (IAA) or benzylaminopurine ...