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Occurrence of metalaxyl-resistant ttrains of Phytophthora infestans in Dutch potato fields

โœ Scribed by L. C. Davidse; D. Looijen; L. J. Turkensteen; D. van der Wal


Publisher
Springer Netherlands
Year
1981
Tongue
English
Weight
237 KB
Volume
87
Category
Article
ISSN
1573-8469

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The effect of R-genes for hypersensitivi
โœ L. Roer; H. J. Toxopeus ๐Ÿ“‚ Article ๐Ÿ“… 1961 ๐Ÿ› Springer ๐ŸŒ English โš– 455 KB

Breeding material of potatoes containing the genes R 1 , R 2 and R3 , single or in combination, was tested for its resistance in the flesh to five different races of Phytophthora infestans. There was a considerable variation in response, from extreme hypersensitivity with no necrosis visible with t