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Virescence disease in Hydrangea macrophylla (florists' hydrangea): graft transmission of the causal agent and symptoms

, : Virescence disease in Hydrangea macrophylla (florists' hydrangea): graft transmission of the causal agent and symptoms. Acta Horticulturae (59): 153-159

Plants of a seedling clone of H. macrophylla were inoculated at monthly intervals by grafting with buds from a hydrangea with virescence disease to determine the relationship between time of inoculation and symptom development. Most of the plants inoculated early in the season showed severe foliage symptoms and some developed flower symptoms during the first season following bud inoculation.

Accession: 000573618

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Related references

Bailey, D.A.; Seckinger, G.R.; Hammer, P.A., 1986: In vitro propagation of florists' hydrangea hydrangea macrophylla cultivar rose supreme. The effects of repetitive subculturing, cytokinin species and concentration, basal medium, and gelatinizing constituent were studied to maximize shoot multiplication of Hydrangea macrophylla Thunb. 'Rose Supreme' shoot tip cultures. Cyto...

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Alioto, D.; Marcone, C.; Ragozzino, E., 2000: Virescence and phyllody in hydrangea (Hydrangea macrophylla). The cause of Hydrangea virescence and chlorosis was attributed to nutrient deficiencies or incorrect use of pesticides. Phytoplasmas were detected only in plants showing phyllody symptoms. Tests showed that these phytoplasmas were genetically unif...

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