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. 2018 Oct 17;18:242. doi: 10.1186/s12870-018-1446-7

Fig. 1.

Fig. 1

Cytological 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 line