Table 1. Immunodetection of the LM26 mAb epitope and location of sampling.

Plus symbols indicate immunodetection of the epitope in the sieve element walls, and minus symbols indicate absence of detection. Asterisks indicate species that were grown in a greenhouse or growth chamber.

SpeciesLM26 StainingSample
Acer negundoStem
Acer saccharumStem
Arabidopsis thaliana*+Floral stem, petiole
Cornus sericeaStem
Cucurbita spp. (seedling)*+Hypocotyl, petiole
Fraxinus pennsylvanicaStem
Pelargonium x hortorum*Petiole, peduncle
Populus balsamifera+Stem, petiole
Populus tremuloides+Stem, petiole
Salix interior (female)Stem