Effect of organic and bio-fertilization on cuttings of Ruby Seedless grapes cultivated in clay and sandy soils

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

The objective of the research was to improve the properties of grape cuttings to obtain strong and healthy plantlets and overcome the problems they encounter during cultivation in clay and sandy soils to become vigorous and healthy trees without using chemical fertilizer. This experiment investigated how to vermicompost tea and Plant Growth-Promoting Rhizobacteria (PGPR), individually or in mixed form, influenced the characteristics of grape cuttings cultivated in clay and sandy soils. Some physical and chemical parameters for cutting were measured such as parameters of vegetative growth and root, chemical parameters of plant, and soil parameters as CaCo3 % content, and total count bacteria CFU/g. The results proved that the type of soil affected the growth of cuttings. All treatments gave significant differences, compared with the control.  Sometimes significant differences were found among treatments on parameters, and sometimes not. In general, the best effect on the growth of the cuttings was in a treatment that included the combination of vermicompost tea and PGPR, whether cultivated in sandy or clay soil, in both successive growing seasons.

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