The identification and characteristics of field resistance to lettuce downy mildew (Bremia lactucaeRegel)
โ Scribed by I. R. Crute; Judith M. Norwood
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 790 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0014-2336
No coin nor oath required. For personal study only.
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Twenty-one accessions of 3 wild Lacfuca species which could be hybridised with L. sativa, the cultivated lettuce, were inoculated at different stages of plant development with 3 multivirulent isolates of Bremia lactucae. Nineteen sources of resistance to B. lactucae, not attributable to the previou
In three bicyclic inoculation experiments in the field 756 genotypes from the IVT Lactuca gene bank were screened for differences in partial resistance against Bremia lactucae. Significant differences between genotypes were found. No linkage was found between the presence or absence of R-genes and p