Genetic variation and response to selection for resistance to root‐knot nematodes in oil radish (<i>Raphanus sativus</i> ssp. <i>oleiferus</i>)

Bünte, Rolf; Müller, Joachim; Friedt, Wolfgang

doi:10.1111/j.1439-0523.1997.tb00993.x

Cited by 12 publications

(7 citation statements)

References 6 publications

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“…This polygenic hypothesis may also explain why some of the R · I hybrids between K2 and K1 are better hosts than both their parents. The hypothesis is in agreement with previous data by Adamson et al (1974), Sullivan et al (1980), Kraus (1992), Mercer and Grant (1993) and Bu¨nte et al (1997) on various annual crops which all suggested a polygenic inheritance of resistance to M. hapla.…”

Section: Discussionsupporting

confidence: 93%

“…Most studies have indicated single major dominant genes for resistance. Comparatively few studies refer to M. hapla resistance (Kraus 1992, Mercer and Grant 1993, Wang and Goldman 1996, Bu¨nte et al 1997) but, interestingly, they suggest oligogenic or polygenic resistance. In perennials, except for Prunus (Esmenjaud et al 1996, Lecouls et al 1997, there are no examples of genetic studies, mainly because such work is time and space consuming.…”

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confidence: 99%

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Spectrum and inheritance of resistance to the root‐knot nematode Meloidogyne hapla in Rosa multiflora and R. indica

Wang

Jacob²,

Mastrantuono³

et al. 2004

Plant Breeding

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The spectrum and inheritance of resistance to the root‐knot nematode Meloidogyne hapla was studied in the diploid species Rosa multiflora and R. indica. The host suitability of seven rose rootstocks, namely five R. multiflora (K2, K1, Floradale, CE63 and CE65) and two R. indica (CE35 and Maroc) clonal accessions, was evaluated using four geographic isolates of M. hapla. Plants grown under greenhouse conditions were tested at high and durable inoculum pressure of nematodes and rated for nematode infestation five months after inoculation on a 0–5 gall index. Different host suitabilities to M. hapla were demonstrated depending on the nematode isolates: in R. multiflora, the clone K2 had a resistant (R) response to all isolates; the clone K1 ranged from intermediate (I) (isolate ‘Canada’) to resistant (other isolates), Floradale was shown to be intermediate, whereas CE63 and CE65 were moderate to good hosts (H). In R. indica, both rootstocks were good to excellent hosts for the isolate Canada but resistant to all three other isolates, thus expressing an isolate‐specific resistance. A study on the genetics of resistance in R. multiflora to the M. hapla isolate Canada was then conducted using an incomplete diallel cross involving all previous clones except Floradale. A total of 120 hybrid individuals belonging to several progenies representing the cross combinations R × I, R × H, I × H and H × H were evaluated. Individuals of each progeny generally ranged into a monomodal distribution that suggests polygenic inheritance of resistance. In the family Rosaceae, the differences in the resistance genetics to the meiotic species M. hapla and to the mitotic species, M. arenaria, M. incognita and M. javanica are discussed in relation to the reproductive status of the nematodes.

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Section: Discussionsupporting

confidence: 93%

mentioning

confidence: 99%

Spectrum and inheritance of resistance to the root‐knot nematode Meloidogyne hapla in Rosa multiflora and R. indica

Wang

Jacob²,

Mastrantuono³

et al. 2004

Plant Breeding

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“…The genera differ in that rootknot nematodes have a very broad host range, whereas the cyst nematodes are much more specific (Bird & Bird, 2001). The complexity indicates a quantitative inheritance of the host suitability to M. hapla and confirms previous selection experiments for resistance in radish populations conducted by Bünte et al (1997).…”

Section: Discussionsupporting

confidence: 68%

Nematode resistance of rape-radish chromosome addition lines

Peterka

Budahn

Zhang

et al. 2010

Nematol

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Oilseed radish is resistant to the beet cyst nematode (Heterodera schachtii Schmidt), interrupting the life cycle of this sedentary pathogen by blocking feeding cell development in the root. A complete set of nine disomic rape-radish chromosome additions, a to i, derived from a susceptible rapeseed parent as recipient and a resistant radish as chromosome donor, was assayed for nematode resistance. The addition line d exhibited the resistance level of the radish parent, confirming previous results that radish chromosome d carries a dominant gene, Hs1 Rph , for nematode resistance. It was investigated if Hs1 Rph is effective against a further important sedentary parasite, the northern root-knot nematode Meloidogyne hapla. The set of chromosome addition lines and the parents, rape and radish, were inoculated with second-stage juveniles (J2) of M. hapla and the plant reaction was evaluated by counting the number of egg masses per root system. By contrast to the situation in H. schachtii, the radish parent as well as addition line d showed no resistance against M. hapla and was even more susceptible than rape. It was concluded that the resistance gene Hs1 Rph , which inhibits syncytium development of H. schachtii, is ineffective against M. hapla, a nematode inducing giant cell formation. Most added radish chromosomes significantly changed the number of egg masses in the recipient rape towards higher susceptibility. Two chromosomes enhanced the egg mass number beyond that of the chromosome donor radish. However, one radish chromosome decreased the egg mass production in the corresponding addition line below that in rape. This wide range of effects of the individual radish chromosomes in the rape background indicates a quantitative inheritance of host suitability to M. hapla and a complex interaction between the pathogen and radish.

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“…Because no resistance is available, it would be interesting to prove whether radish resistance can evade losses from this related cyst nematode. Furthermore, the methodology of radish chromosome testing could be used to search for resistance to root-knot nematodes, which were found in oil radish to be effective against Meloidogyne hapla and M. incognita (Bünte et al 1997).…”

Section: Genetics Of Bcn Resistancementioning

confidence: 99%

Transfer of resistance against the beet cyst nematode from radish (Raphanus sativus) to rape (Brassica napus) by monosomic chromosome addition

et al. 2004

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In rape ( Brassica napus), no resistance to the beet cyst nematode (BCN) Heterodera schachtii is available. This study was carried out to determine the specific chromosome(s) of resistant radish ( Raphanus sativus) carrying the gene(s) for nematode resistance as a prequisite to convert rape from a host into a trap crop for this pest. A Raphanobrassica progeny of 25 plants was analyzed which segregated for all nine chromosomes of the Raphanus genome in a genetic background of synthetic rape. The number of radish chromosomes was determined by fluorescence in situ hybridization, using the Raphanus-specific DNA probe pURsN; and their type was identified by chromosome-specific randomly amplified polymorphic DNA markers. Five different multiple rape-radish chromosome additions (comprising the whole set of nine radish chromosomes, a-i) were selected and crossed to rape. For each cross-progeny, the number of cysts on plant roots was counted 42 days after inoculation with a L2 larvae suspension. Simultaneously, the plants were characterized for the presence or absence of individual radish chromosomes, using sets of chromosome-specific markers. Thus, the effect of each radish chromosome on cyst number was tested. Chromosome d had a major resistance effect, whereas the presence/absence of the other radish chromosomes had nearly no influence on cyst number. Plants with added chromosome d showed a resistance level comparable with that of the radish donor parent. The analysis in the cross to rape of a plant monosomic only for chromosome d confirmed the strong effect of this chromosome on nematode resistance. A further experiment comprising seven crosses using winter rape breeding lines and monosomic addition line d as pollen parent provided the same results on a broader genetic basis. In each case, the added chromosome d in a single dosage caused nearly the full resistance of the radish donor. Resistance was independent of the glucosinolate content in the roots. The possibilities for stabilizing BCN resistance in rape and its use for other crops and nematodes are discussed.

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Genetic variation and response to selection for resistance to root‐knot nematodes in oil radish (Raphanus sativus ssp. oleiferus)

Cited by 12 publications

References 6 publications

Spectrum and inheritance of resistance to the root‐knot nematode Meloidogyne hapla in Rosa multiflora and R. indica

Spectrum and inheritance of resistance to the root‐knot nematode Meloidogyne hapla in Rosa multiflora and R. indica

Nematode resistance of rape-radish chromosome addition lines

Transfer of resistance against the beet cyst nematode from radish (Raphanus sativus) to rape (Brassica napus) by monosomic chromosome addition

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