Fig. 2From: Cytological observation of anther structure and genetic investigation of a thermo-sensitive genic male sterile line 373S in Brassica napus LComparison of major cytological events during anther development in control and 373S plants. Fertile (a–e) and sterile (f–j) microspores, in pollen mother stage (a, f), tetrad stage (b, c), early uninucleate stage (c, H1-H3), with H1–H3 images showing three kinds of abnormal microspores, late uninucleate stage (d, i), mature pollen stage (e, j) pollens in male sterile plants aborted completelyBack to article page