Fig. 1

Diagram of grafting technique

(A) The disease scions from phytoplasma-infected plants were cut into a ‘V’ shape and inserted into the slanting cut made on the healthy stock plants of periwinkle. The red arrowhead indicates the grafting site of the plant. (B) A box cutter is used to make a slit on the stem of the rootstock, and the infected scion cut into a 'V' shape is then inserted into the slit. (C) comparison of the completed grafting