Journal article // Jurnal Budidaya Pertanian






Pengaruh Aplikasi Bakteri Endofit terhadap Perkembangan Penyakit Darah (Ralstonia Solanacearum Phylotipe IV) pada Tanaman Pisang
2020  //  DOI: 10.30598/jbdp.2020.16.1.95
Husda Marwan, Rainiyati Rainiyati, Sri Mulyati

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Abstract

Endophytic bacterium EAL15 and EKK22 isolated from banana plants can suppress the development of blood diseases caused by Ralstonia solanacearum Phylotype IV in banana. This study aims to obtain the best liquid media for multiplying endophytic bacterial isolates EAL15 and EKK22, as well as the effect of the application of endophytic bacteria to the development of blood diseases in banana plants in the field. The liquid media tested were: coconut water waste + peptone, coconut water waste, and peptone. The application of endophytic bacterial suspension on Raja Bulu banana seedlings was done one month before planting, during planting, and 3 months after planting. Inoculum of R. solanacearum was inoculated on roots and banana flowers. Observations were made on the number of endophytic bacterial populations in each liquid media, the severity of blood diseases in plants and the incidence of blood diseases in bananas. The results showed that the liquid media of coconut water waste +peptone was the best medium for multiplying endophytic bacterial isolates. The application of endophytic bacteria influences the severity of blood diseases in banana plants and the incidence of diseases in bananas. The frequency of application of endophytic bacteria has no effect on the development of blood diseases in plants and bananas.
Keywords: banana; blood disease; endophytic bacteria
 

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