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Journal > Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) > Pengaruh Perlakuan Ethyl Methane Sulfonate pada Tanaman Cabai (Capsicum annuum L.) dan Ketahanannya Terhadap Chilli Veinal Mottle Virus (ChiVMV)

 

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Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Vol 38, No 3 (2010): Jurnal Agronomi Indonesia
Pengaruh Perlakuan Ethyl Methane Sulfonate pada Tanaman Cabai (Capsicum annuum L.) dan Ketahanannya Terhadap Chilli Veinal Mottle Virus (ChiVMV)
Article Info   ABSTRACT
Published date:
14 Feb 2011
 
Ethyl Methane Sulfonate (EMS) may induce mutation leading to somaclonal variation if it is used at the appropriate combination of EMS concentration and exposure time. Variation in somaclonal might be valuable as a source of resistance to plant pathogens including  plant viruses. This study was aimed 1) to determine the optimum EMS concentration and incubation time that may induce somaclonal variation in chilli pepper; and 2) to evaluate the resistance of the somaclone to ChiVMV  infection. Shoot-tip explants of five chilli pepper genotypes (Jatilaba, ICPN 12 no. 4, PBC495, Helem, and Gelora) were treated with EMS at combination of different concentrations (0.25%, 0.5%  1.0% and control),  and incubation time (15, 30, 60 min). Subsequently, each explant was grown  in multiplication media (MS media + 5 mg L-1 BAP + 0.5 mg L-1 TDZ), rooting media (MS  media +  1 mg L-1 NAA), and acclimatization media (mixture of soil : sand : compost  2:1:1 w/w). Our results showed that the higher EMS concentration and the longer incubation period the smaller the number of survive explants. The highest survival rate  20.4 %  was achieved with 0.5% EMS in combination with 60 min  incubation period. This treatment combination also showed induction of phenotypic variation. Two somaclonal plants derived from Gelora genotype, designated as somaclones K1 and K2,  survived until fruit development and maturation. A total of 245 progenies of K1 and 243 progenies of K2, respectively were evaluated for their resistance to ChiVMV infection through mechanical inoculation using ChiVMV-Cikabayan isolate. Following the detection of ChiVMV using DAS-ELISA, it was confirmed that  4.09% of the somaclonal progenies were  resistance to ChiVMV.   Keywords:  Capsicum annuum, ChiVMV, ethyl methane sulfonate, induce mutation, resistance
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