Table 1.

Summary of small RNAs (sRNAs) identified by high‐throughput sequencing.

Samples	Total sRNA	PSTVd‐sRNA	% vd‐sRNA	(+) sRNA	(–) sRNA	+/– ratio
Healthy	7 856 247	229/232*
PSTVd‐M	9 078 067	620 651	6.84	528 670	91 981	5.75
PSTVd‐I	8 541 046	1 154 772	13.52	906 597	248 175	3.65

vd‐sRNA, viroid‐derived small RNA.

^*229 and 232 sRNAs of the potato spindle tuber viroid‐Mild (PSTVd‐M) and PSTVd‐Intermediate (PSTVd‐I) types, respectively, that were 100% identical to the (+) and (–) strands of PSTVd‐M and PSTVd‐I.