Biologia plantarum 43:467-470, 2000 | DOI: 10.1023/A:1026708225272

Influence of Auxin-Like Herbicides on Tobacco Mosaic Virus Multiplication

M. Šindelářová1,*, L. Šindelář1, L. Burketová1
1 Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Praha 6, Czech Republic e-mail

Tobacco (Nicotiana tabacum L., cv. Samsun) leaf discs inoculated with tobacco mosaic virus (TMV) were treated with auxin-like herbicides 2,4-dichlorophenoxyacetic acid (2,4-D), 2-methyl-4-chlorophenoxyacetic acid (MCPA), 3-amino-1,2,4-triazol (Amitrol) and 6-chloro-2-ethylamino-4-isopropylamino-1,3,5-triazine (Atrazin). All herbicides in the concentration of 10-7 M enhanced the virus content (MCPA to 227.4 %, Amitrol to 218.1 % and Atrazin to 257.3 % of values found in TMV-infected, herbicide untreated discs). The 2,4-D alone did not affect the activity of the glucose-6-phosphate dehydrogenase and ribonucleases, but the 2,4-D treatment together with TMV infection raised their activities twice as high as in the untreated control discs. Polyacrylamide gel electrophoresis of acidic extracellular proteins washed from leaf discs treated with 2,4-D did not prove the induction of PR-proteins.

Keywords: Amitrol; Atrazin; 2,4-dichlorophenoxyacetic acid; glucose-6-phosphate dehydrogenase; MCPA; Nicotiana tabacum L.; pathogenesis-related proteins; ribonucleases; TMV
Subjects: amitrol, TMV multiplication, herbicides; atrazin, TMV multiplication, herbicides; 2,4-dichlorophenoxyacetic acid, TMV multiplication, herbicides; glucose-6-phosphate dehydrogenase, TMV multiplication, herbicides; herbicides, auxin-like, TMV multiplication; 2-methyl-4-chlorophenoxyacetic acid, TMV multiplication, herbicides; Nicotiana tabacum; pathogenesis-related proteins, TMV multiplication, herbicides; ribonucleases, TMV multiplication, herbicides; tobacco mosaic virus, multiplication, herbicides; tobacco, TMV multiplication, herbicides

Published: September 1, 2000Show citation

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Šindelářová, M., Šindelář, L., & Burketová, L. (2000). Influence of Auxin-Like Herbicides on Tobacco Mosaic Virus Multiplication. Biologia plantarum, 43(3), 467-470. doi: 10.1023/A:1026708225272.
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