E3S Web Conf.
Volume 232, 2021International Conference on Agribusiness and Rural Development (IConARD 2020)
|Number of page(s)||10|
|Published online||25 January 2021|
The Causal Agent of Fusarium Disease Infested Shallots in Java Islands of Indonesia
1 ICABIOGRAD, IAARD, Jl. Tentara Pelajar No. 3A Cimanggu – Bogor 16111, West Java, Indonesia
2 Plant Protection Department, IPB University, Bogor 16620, West Java, Indonesia
* Corresponding author: email@example.com
The success of disease control is largely determined by the validity of information about the type of causal-pathogen. Fusarium oxysporum f. sp. cepae (FOC) was reported to attack shallots and cause leaf twisting disease in Indonesia. We have conducted researches to investigate the causal agent of Fusarium disease and carried out growth tests on nine genotypes of shallots to determine the disease severity and disease indexes, and the correlation between diseases several agronomic traits. Thirty-five strains of Fusarium spp were isolated from wilted shallots tree and bulbs. Based on morphological characterization and rapid test to the isolates, they were identified as F oxysporum, F verticillioides, F solani and F proliferatum. The shallot genotypes that showed a tolerant response to FOC isolates tested were only Sumenep variety. Mentes, Tajuk, Batu Ijo, and Bima Brebes varieties show susceptible response.
© The Authors, published by EDP Sciences, 2021
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