Table 2.

Statistics of transcriptome assembly

Library	VCR-H2	VSR-H2	FCR-H2	FSR-H2	All-unigene
Total number	140,904	76,160	78,003	74,810	198,155
Total length	94,088,842	59,085,461	70,239,709	61,040,418	146,377,199
Mean length bp	667	775	900	815	738
N50	1136	1275	1529	1325	1347
N70	571	753	928	809	702
N90	254	291	343	318	261
GC (%)	40.16	40.13	39.27	39.29	39.78