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Abstrak :
Penelitian dilakukan untuk mengetahui pengaruh pemberian strain Nostoc CPG8, CPG24, dan CIM7 terhadap pertumbuhan vegetatif dan generatif padi varietas Ciherang. Data dianalisis secara statistik dengan uji ANOVA dan LSD, kecuali data jumlah daun, dianalisis secara deskriptif. Hasil penelitian menunjukkan pemberian strain Nostoc CPG24 dan CIM7 berpengaruh nyata meningkatkan tinggi tanaman akhir (P < 0,05). Strain Nostoc CPG8 dan CPG24 berpengaruh nyata menurunkan jumlah buah kosong (P < 0,05). Pemberian ketiga strain Nostoc tidak berpengaruh nyata terhadap parameter vegetatif panjang akar dan parameter generatif jumlah bulir, jumlah buah berisi, berat basah dan berat kering tanaman tanpa buahbuahh total buah per rumpun, jumlah buah bernas per rumpun, jumlah buah kosong per rumpun, berat basah tanaman, dan berat basah, serta berat basah dan berat kering buah. ......This experiment was conducted to see the effect of Nostoc strains CPG8, CPG24, and CIM7 to vegetative and generative growth of Ciherang varieties of rice. Data was analyzed used statistics, with ANOVA and LSD, except for leaf total was used descriptive. The result showed that Nostoc strains of CPG24 and CIM7 increased plant height (P < 0,05). Nostoc strains of CPG8 and CPG24 decreased the number of filled out grains (P < 0,05). Those three Nostoc strains had not affect increase root length, the number of panicles, the number of filled grains, fresh and dry weight plants without grain, and fresh and dry weight grains.

Abstrak :
Microbial protease and cellulase are in high demand by different industries due to their minimal cost and availability. This study was aimed to maximize the production of protease and cellulase using two bacteria, Corynebacterium alkanolyticum ATH3 and Bacillus licheniformis CBH7, isolated from fish gut. This study demonstrated the effect of different culture parameters in protease and cellulase production using two different bacterial strains. Results of this study clearly indicated the importance of different parameters such as moisture content, pH, incubation temperature, incubation period, inoculum size, carbon sources and nitrogen sources in enzyme production. The most critical parameters affecting the enzymes production were pH, temperature, carbon and nitrogen sources. Further investigations are required to enhance the enzymes production using genetic engineering.