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Intravacuolar inclusions in the cells of green and white Norway spruce callus


, : Intravacuolar inclusions in the cells of green and white Norway spruce callus. Biologia Bratislava 47(4): 301-306

A study was made of the occurrence of intravacuolar tannin inclusions in green Norway spruce (Picea abies) callus (cultivated in the light) and white Norway spruce callus (cultivated in the dark). During the exponential phase of growth, the vacuoles of green callus cells were filled with large amounts of tannin inclusions. Numerous chloroplasts were also observed. There were no chloroplasts in white callus cells and tannin inclusions occurred randomly.

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Related references

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