Table 2.

Proportion of common bean cv. Olathe Pinto plants (non-transgenic) with virus symptoms, positive for BGMV and CPMMV by PCR, after inoculation by viruliferous whiteflies previously fed on the transgenic common bean line Bt-22.5 or on the non-transgenic plants for 48 h.

Virus detection	Transgenic line Bt-22.5	Non-transgenic line	Value of p
Plants with virus symptoms	10/22 (45.5%)	21/34 (61.2%)	0.355544
BGMV+ plants	2/12 (16.7%)	3/12 (25%)	0.932414
CPMMV+ plants	12/12 (100%)	12/12 (100%)	NA