Trichoderma harzianum no Desenvolvimento e na Proteção de Mudas contra a Fusariose do Tomateiro
AbstractThe fusarial wilt of the tomato is a disease difficult of being controland it is looked for in the biocontrole an alternative. The objectiv of thework went to verify the action isolates of T. harzianum in the developmentand in the protection of seedlings against the fusarial wilt of the tomato.Treatments of seeds with three isolates and mix of T. harzianum being usedto evaluate germination, emergency and development of seedlings. Two forms of the biocontrole agents application were used, through seed andsubstratum, and for the seeds they were also accomplished biological andchemical treatments, for the evaluation of the incidence and severity of thefusarial wilt. It was observed that the isolates of Trichoderma did notpromote the germination and emergency of the tomato. In this treatmentsof seeds and substratum, the smallest incidence percentages were found bytreatment HTSR5 + Rhodiauram and the rate of 0,5 g of powder (HTSR5).
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