Using of Magnetic Water Technology for the Management of Brown Rot Disease of Potato

Abstract

This study aims at the investigation of using magnetic water (MW) to manage brown rot (bacterial wilt) disease of potato. The effect of magnetic field (MF) on the viability of Ralstonia solanacearum (the bacterial causal pathogen of this disease) was investigated by passing the suspension of R. solanacearum through a magnetic liquid modifier tube. The viable count of the bacterial pathogen increased with the increasing of the incubation time (1, 2, 3 and 4 h) as well as with increasing the number of passes through the magnetic tube. In the pots experiment (carried out at Tag El-Ezz Agricultural Research Station, Dakahlia Governorate, Egypt-during the period of 17 February to 12 May 2016), the irrigation with MW led to significant increases in total phenols, polyphenol oxidase, peroxidase, total chlorophylls, chlorophyll a chlorophyll b, and carotenoids. Significant increase in plant height after 50 and 70 days of planting and decrease in disease rating were noticed. The viable count of R. solanacearum in rhizosphere of the plant irrigated with MW was significantly decreased after 70 and 108 days of planting when compared with the plants irrigated with tap water (TW). The irrigation with MW led to significant increase in potato yield (25.64 %) and a significant decrease in the percentage of infected tubers (40.22 %) in comparing with the plants irrigated with TW. These studies encourage more studies for the use of MW to manage brown rot disease of potato as well as other plant diseases.

Effect of Organo-Chemical Fertilizers Mixtures under the Condition of Irrigation Intervals with Magnetized Water on Yield and its Components of Jerusalem artichoke

“…The highest values of tuber number, yield as kg/plant and ton/fed and water use efficiency recorded with magnetized irrigation water treatment, on the other hand, the least values were obtained from control (non-magnetized water) treatment in both seasons. The noticeable increase in yield and its components produced by magnetized water have been reported by Moussa and Hozayn (2018) concluded that, irrigation potato plants with magnetized water caused an increment of potato tubers yield as compared to using ordinary water.…”

“…Activation of phytohormone production such as gibberellic acid equivalents, indole-3-acetic acid and trans-zeatin as well as activation of the bio-enzyme systems that increase in cell activity, which leads to the growth improvement and increase the yield of crop (Abdul Qados and Hozayn, 2010). Many beneficial impacts of magnetizing irrigation water on yield and its components (number of tuber and tuber weight/ plant) of potato plants (Hozayn et al, 2016 andMoussa andHozayn, 2018). Increased water use efficiency of snow Pea plants (Maheshwari and Grewal, 2009) and sugar beet plants (Hozayn et al, 2013).…”

Rationalization of Water Use and Fertilization of Globe Artichoke Using Magnetic Water Irrigation

“…These increase in head quality may be due to the greater availability of nutrients and the hormonal activities resulted from using magnetic water which may induce the biosynthesis of bioactive compounds. Many beneficial impacts of magnetizing irrigation water on yield and its components (number of tuber and tuber weight/ plant) of potato plants were achieved by (Hozayn et al, 2016 andMoussa andHozayn, 2018).…”

Application of a Structured Water Generator for Crop Irrigation: Structured Water, Drought Tolerance, and Alteration of Plant Defense Mechanisms to Abiotic Stressors

“…The nascent research field for evaluating structured water to irrigate crops shows promise in saving water resources and improving drought tolerance in crops [1][2][3][4][5][6][7][64][65][66][67][68][69][70][71]. Research involving magnetized water also reveals that partially structured water may improve disease resistance in crops [72][73][74][75][76]. The underlying mechanisms for improving drought tolerance and/or disease resistance will involve more advanced basic and applied research into seed and structured water treatments and their interactive effects on animal and plant health [13, 20-21, 28, 31-33].…”