Journal of Nematology (1994) 26, 773-777

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R. McSorley and J.J. Frederick (1994)
Response of some common annual bedding plants to three species of Meloidogyne
Journal of Nematology 26 (4S), 773-777
Abstract: Twelve ornamental bedding plant cultivars were grown in soil infested with isolates of Meloidogyne incognita race 1, M. javanica, or M. arenaria race 1 in a series of tests in containers in a growth room. Root galling (0-5 scale) and eggs/plant were evaluated 8-10 weeks after soil infestation and seedling transplantation. Snapdragon, Antirrhinum majus cv. First Ladies, was extensively galled and highly susceptible (mean gall rating > 4.2 and > 14,500 eggs/plant), and Celosia argentea cv. Century Mix and Coleus blumei cv. Rainbow were susceptible (>1,500 eggs/plant) to all three Meloidogyne isolates. Response of Petunia x hybrida varied with cultivar and nematode isolate. Little or no galling or egg production from any Meloidogyne isolate was observed on Ageratum houstonianum cv. Blue Mink, Lobularia maritima cv. Rosie O'Day, or Tagetes patula cv. Dwarf Primrose. Galling was slight (mean rating < 2.0) but varied with nematode species on Dianthus chinensis cv. Baby Doll Mix, Salvia splendens cv. Bonfire, and Vinca rosea cv. Little Bright Eye. Verbena x hybrida cv. Florist was heavily infected (gall rating >4.0 and >7,900 eggs/plant) by M. javanica and M. arenaria but was nearly free of galling from M. incognita. Zinna elegans cv. Scarlet was nearly free of galling from M. incognita and M. arenaria but was susceptible (mean gall rating = 2.9; 3,400 eggs/plant) to M. javanica.
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Full text of article

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Meloidogyne javanica Coleus (crop)
Meloidogyne javanica Antirrhinum (crop)
Meloidogyne javanica Celosia (crop)
Meloidogyne incognita Coleus (crop)
Meloidogyne incognita Antirrhinum (crop)
Meloidogyne incognita Celosia (crop)
Meloidogyne arenaria Coleus (crop)
Meloidogyne arenaria Antirrhinum (crop)
Meloidogyne arenaria Celosia (crop)