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1999 | 40 | 3 | 175-183

Article title

Inheritance of resistance to powdery mildew (Oidium lycopersicum Cooke & Massee, emend. Noordeloos & Loerakker) in accessions of three wild species of Lycopersicon

Authors

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Languages of publication

Abstracts

EN
Three resistant accessions: L. hirsutum LA1775, L. pennellii LA716, L. chilense LA2747, and the susceptible breeding line A100, were crossed to develop F1, F2 and BC1 populations for genetic analysis of tomato resistance to Oidium lycopersicum Cooke & Massee, emend. Noordeloos & Loerakker, the causal agent of powdery mildew. The resistances in all the studied wild species of Lycopersicon were dominant, but controlled by different numbers of genes depending on the source of resistance. Two incompletely dominant genes control the resistance in L. hirsutum, but one major gene has a stronger expression than the second minor gene. L. pennellii carries three cumulative dominant genes. The resistance of L. chilense is governed by one partially dominant gene that is less effective than the resistance genes of L. hirsutum.

Discipline

Year

Volume

40

Issue

3

Pages

175-183

Physical description

Contributors

author

References

Document Type

Publication order reference

E. U. Kozik, Department of Genetics, Breeding and Biotechnology, Research Institute of Vegetable Crops, ul. Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland

Identifiers

YADDA identifier

bwmeta1.element.element-from-psjc-133ebde0-363f-371d-8c55-5f20afe89d98
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