Relationship between evolution of CO2 and growth of plum shoot tips cultured in vitro under different light/dark regimes
1993
Morini, Stefano | Muleo, Rosario | Sciutti, Renato | Fortuna, Paola
The application of 4 h light followed by 2 h darkness (4/2 h), compared to 16 h light‐8 h darkness (16/8 h). induced very different patterns of CO₂ evolution from proliferating shoots of Prunus cerasifera in vitro. Under the former light/dark regime, fresh and dry weights of shoot clutures and the number of newly formed shoots were increased. Cultures under 4/2 h showed a higher photosynthetic capacity at an earlier stage of growth but this did not appear to be a factor in the enhanced growth. It is suggested that phytochrome may be involved in determining a different pattern of growth.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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