Table IV. Significant correlation of transcriptional changes of barley between different host/nonhost pairs of pathogens and mlo-mediated resistance against Bgh.

Comparison	ra	Pb	nc
DI PM epidermis versus DI Bgh epidermis mlo5	0.486	<0.0001	366
DI PM leaf versus DI Bgh leaf mlo5	0.463	<0.0001	302
DI Mag epidermis versus DI Bgh epidermis mlo5	0.394	<0.0001	121
DI Rust leaf versus DI Bgh leaf mlo5	−0.077	0.1353	374

^aPearson r.

^bTwo-sided test for significant deviation of slope from zero.

^cNumber of unigenes corresponding to differentially accumulating transcripts in both interactions to be compared.