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Effect of caffeine and benzyl alcohol (BA) on callose and cellulose deposition. (A,A’) Three day-old embryogenic microspores cultured with 1 mM caffeine and stained with aniline blue + PI (A) and S4B + DAPI (A’). (B,B’) Three day-old embryogenic microspores cultured with 100 μM BA and stained with aniline blue + PI (B) and S4B + DAPI (B’). Bars: 10 μm.
