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- Prats, E.; Llamas, M. J.; Jorrin, J.; Rubiales, D.
- Crop science 2007 v.47 no.3 pp. 1119-1124
- plant exudates, etc ; Helianthus annuus; Puccinia helianthi; plant pathogenic fungi; rust diseases; disease resistance; genotype; genetic resistance; coumarins; disease course; spore germination; fungal spores; appressoria; phenolic compounds; Show all 14 Subjects
- ... Resistance against sunflower rust incited by Puccinia helianthi Schwein was characterized in three sunflower (Helianthus annuus L.) genotypes: AMES 18925 that was highly resistant; AMES 3442, partially resistant; and Hysun 33, susceptible. Microscopic studies showed a differential rust development on the genotypes. Impairment of rust spore germination and of appressorium formation was observed onl ...