Fig. 1.

Resistance index (RI) of the tomato subsamples from the Horticultural Germplasm Bank at Universidade Federal de Vicosa to Bemisia tabaci biotype B for (A) eggs per plant (RIEg/Pl), (B) nymphs per plant (RINy/Pl) and (C) nymph/egg ratio (RINy/Eg). Discontinuous horizontal lines delineate regions of the graph containing highly susceptible, susceptible, and resistant subsamples.