Influence of Plant Growth-Promoting Rhizobacteria and vermicompost tea on a pomegranate tree

Document Type : Original Article

Authors

1 Pomology Department, Faculty of Agriculture, Assiut University, 71526 Assiut, Egypt.

2 Microbial Department, Soils, Water and Environ Research Institute, Agricultural Research Center, 12511 Giza, Egypt.

3 Department of Soils and Water, Faculty of Agriculture, Assiut University, 71526 Assiut, Egypt.

Abstract

This research studied the effects of Plant Growth Promoting Rhizobacteria (PGPR), and vermicompost tea on the physical and chemical properties of pomegranate (Manfalouty cultivar) fruits during two consecutive seasons, 2020 and 2021. Trees were sprayed with PGPR (3 ml/liter of water), and vermicompost tea (one liter/20 liters of water), and also vermicompost was added (one liter / 5 liters of water) to the soil at a distance of 50 cm from the trunk of the tree, were used in separate or in combined forms, three times a year, the first one in the middle of July (after fruit set), the second after a month of the first application, and the last one after a month of the second. The results showed that all treatments increased and improved all parameters when compared to the control. The physical and chemical properties of the fruits improved to some extent in the second season compared to the first one, which was due to the cumulative effect of vermicompost in the soil. In comparison to the other treatments in the two seasons, the treatment that included three treatments as a mix of foliar application and soil addition had the best effectiveness.

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