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Cytological studies of early stages of powdery mildew in barley and wheat part 5 effects of calcium on the infection of coleoptiles of barley by erysiphe graminis hordei


Canadian Journal of Botany 56(20): 2544-2549
Cytological studies of early stages of powdery mildew in barley and wheat part 5 effects of calcium on the infection of coleoptiles of barley by erysiphe graminis hordei
Some effects of Ca salts on the infection process of E. graminis hordei in coleoptiles of barley [Hordeum vulgare cv. Kobinkatagi] were investigated. CaCl2 enhanced the incidence of haustoria but depressed that of papillae. CaBr2 and Ca(NO3)2 likewise enhanced the incidence of haustoria. CaCl2 treatment at varied times and with varied durations during incubation after inoculation showed that events occurring in coleoptiles between 9 and 13 h after inoculation were most affected by the treatment. This period included the times that appressoria matured, cytoplasm aggregated, papillae were produced and haustoria were formed, and the effect of Ca might be associated with one or more of these events.


Accession: 005086931



Related references

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