Citation: B. Rozynek et O. Spring, Leaf disc inoculation, a fast and precise test for the screening of metalaxyl tolerance in sunflower downy mildew, J PHYTOPATH, 149(6), 2001, pp. 309-312
Citation: O. Spring, Nonsystemic infections of sunflower with Plasmopara halstedii and their putative role in the distribution of the pathogen, Z PFLANZENK, 108(4), 2001, pp. 329-336
Authors:
Da Costa, FB
Schorr, K
Arakawa, NS
Schilling, EE
Spring, O
Citation: Fb. Da Costa et al., Infraspecific variation in the chemistry of glandular trichomes of two Brazilian Viguiera species (Heliantheae; Asteraceae), J BRAZ CHEM, 12(3), 2001, pp. 403-407
Authors:
Spring, O
Zipper, R
Reeb, S
Vogler, B
Da Costa, FB
Citation: O. Spring et al., Sesquiterpene lactones and a myoinositol from glandular trichomes of Viguiera quinqueremis (Heliantheae; Asteraceae), PHYTOCHEM, 57(2), 2001, pp. 267-272
Citation: O. Spring et R. Zipper, Isolation of oospores of sunflower downy mildew, Plasmopara halstedii, andmicroscopical studies on oospore germination, J PHYTOPATH, 148(4), 2000, pp. 227-232
Authors:
Spring, O
Zipper, R
Klaiber, I
Reeb, S
Vogler, B
Citation: O. Spring et al., Sesquiterpene lactones in Viguiera eriophora and Viguiera puruana (Heliantheae; Asteraceae), PHYTOCHEM, 55(3), 2000, pp. 255-261