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Botanical Studies
Figure 1 | Botanical Studies

Figure 1

From: Tissue culture-induced somaclonal variation of decreased pollen viability in torenia (Torenia fournieri Lind.)

Figure 1

Pollen abortion in regenerants detected by scanning electron microscopy (SEM) and MTT staining. (A) SEM image of mature pollen of plants derived from seeds directly sown into the soil; (B) SEM image of mature pollen from regenerants with high pollen abortion rate. The SEM images (A and B) have the same magnification. The bar represents 50 μm, and the arrow indicates aborted pollen; (C) MTT staining of mature pollen of plants derived from seeds sown directly into the soil; (D) MTT staining of mature pollen of regenerants with high pollen abortion rate. The arrow indicates aborted pollen.

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