Aphelenchoides ritzemabosi - Chrysanthemum foliar nematode

Hot-water Temperatures and Submersion Times for Foliar Nematode Control

for Selected Plants

 

Plant

Type/Part

Temp C

Time

African violet

Small potted plants

 46.0a

 15 min

Anthurium

Bare-root seedlings

 46.6

 12 min

Begonias

Small potted plants

 47.0a

 3 min

Chrysanthemum

Dormant stock plants (stools)

 46.0

 5-15 min

Chrysanthemum

Dormant stock plants (stools)

 43.0

 20-30 min

Ferns

Small potted plants

 43.0a

 10-15 min

Lilies

Bulbs

 36.0

 6 hrs

Lilies

Bulbs

 44.0

 1 hr

Phlox

Dormant stock plants (stools)

 44.0

 1 hr

Strawberry

Dormant runner plants

 47.0

 15 min

Tree peony

Dormant roots

 47.0

 40 min

Violet

Dormant plants

 43.0

 30 min

aSubmerge the pots and plants in the hot water and then into clean, cool water.

Data from Edwards, 2000. Foliar Nematode disease of ornamentals.  Univ. Illinois Urbana-Champaign. RPD 1102.