Table 1.

Quality control for transcriptomic analysis.

Library	No. of reads (paired)	Average length (bp)	No. of reads after trim (bp)	Average length after trim (bp)
(1) Leaf	18,247,136	101.0	18,189,752	98.8
(2) Mature root	14,090,648	101.0	14,039,985	98.2
(3) Root VC	20,847,896	101.0	20,776,909	98.7
(4) Young root	23,941,990	101.0	23,869,723	98.8
(5) Stem	16,429,912	101.0	16,372,545	98.5