Determination of Resistance to<i>Fusarium oxysporum</i>in<i>Lilium</i>

Straathof, Th.P.; Jansen, J. P.; Löffler, H.J.M.

doi:10.1094/phyto-83-568

Cited by 22 publications

(13 citation statements)

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“…The six standard Asiatic hybrids showed resistance levels comparable with other experiments (Straathof et al, 1993). although 'Snow Star' was less diseased than expected.…”

Section: Discussionsupporting

confidence: 78%

“…Partial resistance has already been found in the Asiatic hybrids (Straathof et al, 1993). Especially bulbs of 'Connecticut King' and its descendant 'Orlito' are only slightly affected after infection.…”

Section: Discussionmentioning

confidence: 99%

“…For each cultivar within an experiment, a disease severity score (DSS) was calculated by the threshold model. This score may be considered as a transformed average value of the disease ratings of each genotype on an underlying linear scale (Straathof et al, 1993). Conclusions concerning block and genotype effects were based on deviance statistics (McCullagh & Nelder, 1989).…”

Section: Screening Assaymentioning

confidence: 99%

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Genetic variation in resistance to Fusarium oxysporum f.sp. lilii in the genus Lilium

Straathof

Tuyl

1994

Annals of Applied Biology

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Genetic variation in Fusarium resistance in 82 Lilium genotypes was studied. A high level of resistance was found in the Asiatic hybrids (section Sinomartagon) and to a lesser extent in cultivars of L. longiflorum (section Leucolirion). The Oriental hybrids (section Archelirion) showed only moderate resistance. In the sections Sinomartagon, Leucolirion and Martagon species were detected with high levels of resistance. An accession of L. dauricum (section Sinomartagon) was the most resistant source. Possibilities for introgression of Fusarium resistance into cultivars by interspecific hybridisation, using the resistance found in Lilium genotypes, are discussed.

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“…The six standard Asiatic hybrids showed resistance levels comparable with other experiments (Straathof et al, 1993). although 'Snow Star' was less diseased than expected.…”

Section: Discussionsupporting

confidence: 78%

Section: Discussionmentioning

confidence: 99%

Section: Screening Assaymentioning

confidence: 99%

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Genetic variation in resistance to Fusarium oxysporum f.sp. lilii in the genus Lilium

Straathof

Tuyl

1994

Annals of Applied Biology

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“…Isolates of race 1 are pathogenic to the 'small-flowered' cultivar Nymph as well as to the 'large-flowered' cultivar Peter Pears. For soil infestation, inoculum was prepared using an oatmeal-soil mixture as described by Straathof et al (1993) and Loffler et al (1997). The fully grown cultures were mixed in a 1:100 ratio (w/w) with soil.…”

Section: Methodsmentioning

confidence: 99%

Studies on Fusarium‐Gladiolus Interactions

Straathof

Roebroeck

Löffler

1998

Journal of Phytopathology

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“…Greenhouse tests are preferred because environmental conditions can be more closely controlled and monitored. This is the more important since standardization is required to test with sufficient accuracy between genotypes because partial resistance is involved (Imle, 1942;Löffler and Mouris, 1989;Maginnes and Smith, 1971;Smith and Maginnes, 1969;Straathof et al, 1993;Van Tuyl, 1980). Van Tuyl (1980) described a Fusarium screening test using lily scale bulblets; this test was optimized by Straathof et al (1993) and was carried out under standardized conditions.…”

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confidence: 99%

Resistance to Fusarium oxysporum at Different Developmental Stages of Asiatic Hybrid Lilies

Straathof¹,

Löffler²

1994

jashs

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Tests for determining resistance to Fusarium oxysporum f.sp. lilii in different developmental stages of Lilium were developed. Under standardized conditions, commercial bulbs, yearling bulbs, scale bulblets, and scales of 16 Asiatic lily cultivars were tested for Fusarium resistance. Disease ratings were analyzed statistically using a threshold model for ordered categorical data. For each cultivar in each stage the resistance level was calculated as the disease severity score (DSS). Disease severity score values of cultivars in the four stages were reproducible between experiments, although some variation in cultivars was found. This variation may be attributed to the origin of plant material. Disease severity score values among cultivars in each developmental stage were correlated with the average DSS over all four stages, although some specific cultivar-stage deviations were found. The scale test is recommended for early selection while the scale bulblet test is recommended as a final check.

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Determination of Resistance toFusarium oxysporuminLilium

Cited by 22 publications

References 0 publications

Genetic variation in resistance to Fusarium oxysporum f.sp. lilii in the genus Lilium

Genetic variation in resistance to Fusarium oxysporum f.sp. lilii in the genus Lilium

Studies on Fusarium‐Gladiolus Interactions

Resistance to Fusarium oxysporum at Different Developmental Stages of Asiatic Hybrid Lilies

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