Open AccessEVALUASI KOMBINASI ISOLAT TRICHODERMA MIKOPARASIT DALAM MENGENDALIKAN PENYAKIT AKAR PUTIH PADA BIBIT KARET
Author(s) -
Suwandi Suwandi
Publication year - 2011
Publication title -
jurnal hama dan penyakit tumbuhan tropika
Language(s) - English
Resource type - Journals
eISSN - 2461-0399
pISSN - 1411-7525
DOI - 10.23960/j.hptt.1852-55
Subject(s) - trichoderma , biology , biological pest control , inoculation , botany , horticulture
Evaluation of mycoparasitic Trichoderma isolate mixtures to control white root disease on rubber seedlings. Eight isolates of mycoparasitic Trichoderma, as single cultures or in isolate mixtures were tested for their biocontrol efficacy against rubber seedlings inoculated with one of three strains of Rigidoporus lignosus. Biocontrol efficacy of isolates was varied, but not significantly affected by strains of R. lignosus. Mixtures of four isolates were significantly (P < 0.05) reduced the disease severity and percentage of root necrotic as compared to mixtures of two isolates as well as single isolates. The highest disease suppression (65% relative to control) and reduction of inocula on rubber wood sticks (91% relative to control) was achieved in four isolate mixtures of Trichoderma virens (T1+T4+ T9+ T11).