Summary
The protoplasts ofNicotiana plumbaginifolia required darkness for cell regeneration and colony formation. Maximal plating efficiency of the protoplasts could be achieved by keeping the cultures in dark instead of light or dark/light sequence. Only two days of darkness prior to the illumination at 400 or 3,000 lux resulted in appreciable plating efficiency, than those of light from the beginning, but these values could not match the high plating efficiency in total darkness.
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Gill, R., Rashid, A. & Maheshwari, S.C. Dark requirement for cell regeneration and colony formation by mesophyll protoplasts ofNicotiana plumbaginifolia Viv.. Protoplasma 106, 351–354 (1981). https://doi.org/10.1007/BF01275565
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DOI: https://doi.org/10.1007/BF01275565