Vol. 8, Issue 5 (2020)
Correlation between physico-chemical parameters with soil of Citrus rhizosphere microbes
Author(s): RG Aware, PD Bhandekar, AL Uparkar, RS Marbate and Dr. ED Bagde
Abstract: The population dynamics of microorganisms in soil are extremely difficult to assess due to the complex nature of the soil environment. The diverse nutritional requirements of microorganisms in soil may not be easily estimated; hence, isolation of the soil microorganisms and studying them in the laboratory, as pure or mixed culture cannot be easily attained. The growth and colonization of soil microorganisms can be influenced by chemical, physical and biological properties of the soil. The availability of macro and micro nutrient element can limit microbial population growth in the particular soil ecosystem. Essential soil elements for plant growth such as nitrogen, phosphorous, sulfur and micronutrients influences the microbial population as these nutrient elements are also needed for microbial growth and activity. The prospect of manipulating crop rhizosphere microbial populations by inoculation of beneficial organisms i.e. Pseudomonas fluorescence and Trichoderma spp. and managing soil physico-chemical properties of soil, increases plant growth and control of many soil borne diseases has shown considerable promise in laboratory and field.
Present investigation was carried out during 2014 - 2015 at Department of Plant Pathology, All India Co-ordinated Research Project on Fruits, Dr. P. D. K. V. Akola and Department of Soil Science and Agricultural Chemistry, Post Graduate Institute. Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola (M.S.) by collecting soil samples from Akola (AK), Amravati (AM1 & AM2), Wardha(WR), Washim (WA), Yavatmal (YA), Nagpur (NA1&NA2) and Buldhana (BU) sampling site of Vidarbha region to know the correlation between physico-chemical parameters with soil rhizosphere microbes for which isolation of different microbes like bacteria, fungi was carried out.
The result showed that in healthy rhizosphere, moisture, Organic carbon, Copper and Phosphorous are positively correlated with bacterial and fungal population whereas Temperature, Manganese, EC, Iron, Zinc, pH, and Potassium were negatively correlated. In diseased rhizosphere of citrus, Temperature, Manganese, Phosphorous, Nitrogen, Iron and Moisture were positively correlated whereas PH, Zn, Organic carbon and Potassium negatively correlated. The PCA analysis was carried out to see the influencing factor of Physio-chemical properties with microbial population at different locations. The result reported that the sampling sites Akola (AK) was influenced by Temperature, Moisture, Nitrogen, Copper and Zinc and Amravati (AM1) by Organic carbon, Moisture, Copper, Temperature, EC, Iron, Nitrogen, Potassium and Zinc. Whereas, Amravati (AM2) by Zinc, Nitrogen, Phosphorous, EC for microbial population in citrus rhizosphere ecosystem. In case of Wardha (WR) and Washim (WA), Temperature, Moisture, Nitrogen, Zinc, Iron, pH, are the most influencing factors whereas in Nagpur region NA1 and NA2, pH, Organic carbon, Moisture and Manganese are the factor which are responsible for the microbial population in the rhizosphere region of citrus. In Buldhana (BU) sampling sites, EC and Manganese whereas in Yavatmal (YA) sampling site pH, Iron and EC are the soil properties which influenced the microbial population in rhizosphere region of citrus.
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How to cite this article:
RG Aware, PD Bhandekar, AL Uparkar, RS Marbate, Dr. ED Bagde. Correlation between physico-chemical parameters with soil of Citrus rhizosphere microbes. Int J Chem Stud 2020;8(5):09-14. DOI: 10.22271/chemi.2020.v8.i5a.10977