I.G.A.L. Triani, Soemarno, B.T. Rahardjo, dan E. Zubaidah
The use of plant promoting bacteria in experimental land in Mayungan village, Tabanan, Bali is an effort to reduce the use of chemicals during Chinese cabbage (Brassica rapa L. Ssp.pekinensis) cultivation.This research was conducted to determine variations in the treatment of plant-promoting bacteria on the quality of Chinese cabbage produced. Chinese cabbage results from variations in the treatment of Plant Growth Promoting Rhizobacteria (PGPR) compared with Chinese cabbage obtained from conventional farmers. This research uses factorial randomized block design with 2 factors. The first factor is the duration of the seeds soaking with PGPR solution namely 0, 10, 20, and 30 minutes, while the second factor is the use of PGPR concentrations when watering the plants in the beds (plant age 2 weeks), namely: 0; 1.25; 2.5 and 3.75 cm3/L. Data from laboratory analysis results were analyzed using analysis of variance, then the data analyzed by using the Tukey test at the 5% level, the data processing using the Minitab17 program. Determination of the best treatment is determined based on the effectiveness index (EI) method. In the treatment variation of the use of PGPR slightly increases the levels of organic matter and Nitrogen, Phosphorus, Potassium of the soil, while the yield and plant height are slightly below Chinese cabbage which derived from conventional farmers. Based on the research results variations in the use of PGPR has the influence on the chlorophyll content, total dissolved solids, texture, brightness levels, but does not has an influence on the vitamin C in Chinese cabbage. The research results obtained Chinese cabbage with seed soaking for 20 minutes and the use of PGPR when watering plants in the beds equal to 2.5 cm3/L is the best result, these results are almost the same as Chinese cabbage from conventional farmers. © 2020 North Atlantic University Union NAUN. All rights reserved.
Faculty of Agriculture, Faculty of Agricultural Technology, Brawijaya University, East Java, 65145, Indonesia; Department of Soil Science, Faculty of Agriculture; Department of Pests and Plant Diseases, Faculty of Agriculture; Department of Agricultural Product Technology, Faculty of Agricultural Technology Brawijaya University, East Java, 65145, Indonesia
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