ISHS Acta Horticulturae 620: XXVI International Horticultural Congress: Asian Plants with Unique Horticultural Potential: Genetic Resources, Cultural Practices, and Utilization
RESISTANCE TO FUSARIUM OXYSPORUM F.SP. LILII IN LILIUM |
| Authors: | J.H. Lim, H.K. Rhee, Y.J. Kim, K.B. Lim, J.M. van Tuyl |
| Keywords: | Fusarium oxysporum, lily, breeding, disease resistance |
| Abstract:
The soil-born fungus, Fusarium oxysporum f. sp. lilii, causes bulb rot in lilies, which endangers its bulb production worldwide. The resistance of 44 species against Fusarium was scored under standardized test conditions. The Asiatic cultivars 'Orlito' and 'Connecticut King' were highly resistant, while 'Pirate' was highly susceptible. The resistance level of the Oriental hybrids such as ‘Acapulco’ and ‘Stargazer’ and L. longiflorum such as ‘Snow Queen’ and ‘Gelria’ was susceptible as compared with that of Asiatic hybrid lilies. L. regale and L. dauricum among several species were highly resistant, while L. davidii and L. hansonii were highly susceptible. Three of the 10 LA-hybrids from NHRI accession were highly resistant while the others were observed to be moderately resistant, however the LO-hybrids were susceptible. The resistance level of the four interspecific hybrids from PRI varies from moderately resistant (LA and OA) to susceptible (2 OAs). | |
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