Aplikasi Cendawan Aspergillus niger Terhadap Penyakit Busuk Batang (Rhizoctonia solani) Pada Tanaman Sorgum (Sorghum bicolor. L)
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Institusion
Politeknik Negeri Jember
Author
Sari, Fina Dinda
Subject
153 - Ilmu Hama dan Penyakit Tanaman
Datestamp
2021-12-09 02:17:42
Abstract :
This study aimed to examine the effect of dose A. niger on the intensity of stem rot disease (Rhizoctonia solani). This research was carried out from April to August 2021 at the Plant Protection Laboratory and then continued at the Jember State Polytechnic Land using a Randomized Block Design (RAK). The treatments included: (A0 = Tebuconazole 1,2 g/liter with a dose of 2 liters/4,8 m2)), (A1 = A. niger 25 g/plant), (A2 = A. niger 30 g/plant), (A3 = A. niger 35 gr/plant), (A4 = A. niger 40 gr/plant). The concentration of A. niger was 108 CFU and each treatment was repeated 5 times. The data were analyzed using ANOVA, if it was significantly different, it was continued with the 5% BNT test. Observation variables included attack intensity and dry weight of sorghum. The intensity of the attack using the absolute formula. The test results ofantagonist A. nigerwere able to inhibit the development of the fungal pathogen R. solani by 50% with a spore density of 108 CFU. The intensity of attack at several doses of A. niger were A1 = 8,97%, A2 = 4,67%, A3 = 3,33%, A4 = 3,33% and the intensity of attack by the fungicide Tebuconazole A0 = 4.00%. The total dry weight of sorghum per sample in thetreatment was A. niger A1 = 114,1 g/plant, A2 = 115,5 g/plant, A3 = 118,9 g/plant, A4 = 127 g/plant. While the fungicide treatment Tebuconazole A0 = 121,9 g/plant.
This study aimed to examine the effect of dose A. niger on the intensity of stem rot disease (Rhizoctonia solani). This research was carried out from April to August 2021 at the Plant Protection Laboratory and then continued at the Jember State Polytechnic Land using a Randomized Block Design (RAK). The treatments included: (A0 = Tebuconazole 1,2 g/liter with a dose of 2 liters/4,8 m2)), (A1 = A. niger 25 g/plant), (A2 = A. niger 30 g/plant), (A3 = A. niger 35 gr/plant), (A4 = A. niger 40 gr/plant). The concentration of A. niger was 108 CFU and each treatment was repeated 5 times. The data were analyzed using ANOVA, if it was significantly different, it was continued with the 5% BNT test. Observation variables included attack intensity and dry weight of sorghum. The intensity of the attack using the absolute formula. The test results ofantagonist A. nigerwere able to inhibit the development of the fungal pathogen R. solani by 50% with a spore density of 108 CFU. The intensity of attack at several doses of A. niger were A1 = 8,97%, A2 = 4,67%, A3 = 3,33%, A4 = 3,33% and the intensity of attack by the fungicide Tebuconazole A0 = 4.00%. The total dry weight of sorghum per sample in thetreatment was A. niger A1 = 114,1 g/plant, A2 = 115,5 g/plant, A3 = 118,9 g/plant, A4 = 127 g/plant. While the fungicide treatment Tebuconazole A0 = 121,9 g/plant.
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