| Pellet formulation bioproduct of Trichoderma harzianum 01-52 were evaluated for the efficacy to reduce dirty panicle disease and to increase the yield of rice in non- chemical pesticides using fields in Kanchanaburi province, compared with the Trichoderma untreated control. Rice seeds (Chai Nat 1) were soaked in spore suspension of T. harzianum 01-52 (100 g/100 l) for 24 hrs. The soaked seeds were incubated for another 24 hrs before sowing in the rice field. Rice plants were sprayed with Trichoderma spore suspension (100 g/100 l/rai or 1,600 m2) at 40, 60 and 80 days after sowing. In some treatment, Trichoderma pellets were also used in combination with chemical fertilizer for broadcasting at the rate 10 kg/rai (or 1,600 m2). The results indicated that all... |
