Table 1.

Overview of small RNA data processing

	Flower	Leaf	Root	Ovary
Total raw reads	25,135,674	27,905,172	26,480,747	20,293,996
Filtering low-quality reads	23,117,590	25,759,516	24,378,687	18,538,908
Clipping adapter sequence	22,683,220	25,047,715	23,831,785	16,615,864
Total unique reads	12,429,111	14,031,342	15,607,150	10,141,963
Genome mapped unique reads (≤42 times)	4,840,092	5,465,149	5,927,141	3,762,707