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The Effect of a combination of growing media and biological agents to control bacterial wilt disease of potato(Ralstonia solanacearum) in greenhouse
Mukhtar Iskandar Pinem, Lahmuddin Lubis, Marheni, Dedi Maradi Zuhdi

UNIVERSITY OF SUMATERA UTARA


Abstract

Potato (Solanum tuberosum L.) in Indonesia is a commodity that priorities to developed, and has the potential to be marketed in the domestic as well as export . One of the obstacles is important that faced is pathogen soil-borne which is caused by the Ralstonia solanacearum. This pathogen can causing loss of yield of potato 40-100%. Bacillus sp. and P. fluorescens are antagonistic microbes that are proven to be able to control bacterial wilt disease (R. solanacearum) by 69,95 % and 61,67%. This study aimed to determine the effect of the comparison composition of growing media and the ability of some agents of biological within suppress the growth of the disease wilt bacteria of potatoes which is caused by R. solanacearum . This research using completely randomized design (CRD) nonfaktorial with 10 treatments, namely: M0(top soil), M1(top soil, R. solanacearum), M2(top soil, R. solanacearum, P. fluorescens), M3(top soil, R. solanacearum, Bacillus subtilis), M4 until M9 are combination of them. The results showed that the application of biological agents was able to suppress the growth of the pathogen R. solanacearum, as well as significantly affect plant height, number of shoots, and production.

Keywords: potato, R. solaanacearum, P. fluorescens, B. subtilis

Topic: Biochemistry, Biotechnology and Pharmacy

Link: https://ifory.id/abstract/qDRbfA4eVwky

Conference: International Conference on Science and Technology Applications (ICOSTA 2019)

Plain Format | Corresponding Author (MUKHTAR ISKANDAR PINEM)

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