Evaluation of the potential yield and primary symptoms of Xanthomonas campestris pv. campestris infection in Asian vegetables grown in the Czech Republic

Tomáš Kopta, Eliška Peňázová, Miloš Jurica, Robert Pokluda

Abstract


Selected cultivars of Asian brassicacean vegetables were evaluated for their yield potential and susceptibility to bacterial infection. Chinese broccoli, two cultivars of Chinese cabbage (‘Dwarf milk cabbage’ and improved ‘Tahtsai’), and mizuna were grown in the conditions of the Czech Republic. Morphological and yield parameters for the field conditions (plant height, plant diameter, and marketable weight) were verified. In addition, genotypes were tested for resistance to black rot [Xanthomonas campestris pv. campestris (Xcc)] at the planting stage. The results show that a very promising genotype of mizuna, which yielded best (1,478 g per plant). Chinese cabbage (cultivar ‘Dwarf milk cabbage’) also showed high yield values (2,839 g per plant), especially when compared to the reference value for Napa cabbage. Chinese Cabbage 1 (‘Dwarf milk cabbage’) and mizuna also showed a low susceptibility to infection by bacterial black rot at the planting stage. Both cultivars reached Level 2 (median) of infection, which corresponds to the extent of the symptoms on 25% of the leaf surface.

Keywords


Brassicaceae; Chinese cabbage; mizuna; marketable weight; plant diameter; Xcc

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References


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DOI: https://doi.org/10.5586/aa.1750

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