Fig. 1From: Transcriptome provides potential insights into how calcium affects the formation of stone cell in PyrusCallus photographs, calcium and lignin content on different treatments. (A) Callus treated with different calcium concentrations on 5th, 10th and 15th day. (B) Calcium content on different treatments at three stages in callus. (C) Lignin content on different treatments at three stages in callusBack to article page