Disease control study of spotted seeds. Pathumthani fragrant rice, one by chemical and biological. The experiment consisted of seven treatments and five replications. Do not spray chemical and biological agents. Soak seeds in Trichoderma Norma tablets. Trichoderma sprayed with de Norma. * Soak injection with Trichoderma de Norma. Sprayed with chemicals Sprayed with biological agents Sprayed with chitosan That all things were not significant differences with statistical boat seed length ear height, number of plants per clump seeds normally seed spotted grain blighted by treatments that soothes rather than try another seed injection. sprayed with biological agents it was the height of the spray by spraying with a biological substance. The number of plants per clump sprayed by Trichoderma de Norma tablets. Length grains sprayed with seeds with Trichoderma Norma tablets. Seeds usually made from selected seeds from the seed, the result is. Soaking seeds with Trichoderma Norma tablets. Spotted grains from seeds from seed screening result is. Infusion: injection with Trichoderma de Norma tablets. Blighted grain from weed seeds from seed, the result is. Spraying with Trichoderma de Norma tablets.