Abstract
Twenty three isolates of turnip mosaic virus (TuMV) obtained from spontaneously infected plants ofSiaymbrivm loeaelii JUSL. were serologically related, but differed in reactions of eleven host plants. Susceptibility and sensitivity of each host for each TuMV isolate were classified by one of six degrees (0 to 5) respectively. Similarities of isolates (as compared in 253 pairs) were evaluated by means of a computer; for this purpose the source program MINDIF has been elaborated using the universal program language Algol 60. A table of differences between isolates was obtained and distribution of isolate pairs dependent upon the difference values was stated. The fitness of hosts for differentiating TuMV isolates was ascertained quantitatively. No relation of isolate similarity to geographical indices could be established.
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Brčák, J., Brčák, J. Computer aided evaluation of differences in host reactions between isolates of turnip mosaic virus fromSisymbrium loeselii . Biol Plant 22, 366–373 (1980). https://doi.org/10.1007/BF02908986
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DOI: https://doi.org/10.1007/BF02908986