Effectiveness Of Rhizosphere Bacteria Microcapsules On The Growth Of Arabica Coffee Leaves (Coffea Arabica L.)

Kabul Warsito, Muhammad Hafiz, Indra Irawan, Fahri Indra Friski

Abstract


Rhizosphere bacteria located around plant roots contribute significantly to increasing soil fertility and plant productivity. Optimal production increases are characterized by good coffee plant growth. One indicator is maximum leaf growth as a place for photosynthesis. Utilization of rhizosphere bacteria can be an alternative to increase the number of soil bacterial colonies so that the mineralization and decomposition processes of soil organic matter are maximized and plants can be optimally nourished. This research was conducted using the factorial CRD (Complete Randomized Design) method consisting of 2 factors, 16 treatments, 2 replications. The treatment of seed immersion time with the addition of endophytic bacterial suspension consisted of: B0: without immersion, B1: 6.5 hours; B1: 7.5 hours; B3: 8.5 hours. The addition of endophytic bacterial microcapsules consisted of I0: 0 grams ; I1: 5 grams; I2: 10 grams; I3: 15 grams. The data obtained were analyzed using analysis of variance. The results of the analysis of variance were continued with Duncan's multiple range test . Based on the results of observations of the number of leaves in treatment I3 (11.13 strands). For the leaf area parameter, the highest number was found in treatment B3I2 ( 26.21 cm2). Rhizosphere bacteria from the soil of the eruption of Mount Sinabung are effective in stimulating the growth of Arabica coffee leaf shoots ( Coffea arabica L.). Encapsulation of rhizosphere bacteria as a biofertilizer is very effective in maintaining and increasing the potential of rhizosphere bacteria when applied to plants.


Keywords


Arabica coffee, Rhizosphere bacteria , Leaves

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