Fig. 1From: A combined small RNA and transcriptome sequencing analysis reveal regulatory roles of miRNAs during anther development of Upland cotton carrying cytoplasmic male sterile Gossypium harknessii (D2) cytoplasmCytological observation during anther development between A and B line of the CMS-D2 system in cotton. a-e The paraffin sections of floral bud for A line in 1–5 mm length, respectively. f Safranine and fast green dyeing for 5 mm floral bud of A line. g-k The paraffin sections of floral bud for B line in 1–5 mm length, respectively. l Safranine and fast green dyeing for 5 mm floral bud of B lineBack to article page