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Encyclopedia > Recalcitrant seed

Recalcitrant seeds are seeds that do not survive drying and freezing during ex-situ conservation.


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Content of adenylate nucleotides and energy charge in the early stage of germination of orthodox and recalcitrant seeds (4658 words)
Recalcitrant seeds are desiccation sensitive and have a high moisture content, which is necessary to maintain seed viability for a certain period of time.
The increase in ATP levels in orthodox seeds during the early stages of germination is considered to be due to the onset of respiration and concomitant oxidative phosphorylation in the mitochondria as soon as seeds are hydrated (Hourmant and Pradet, 1981; Attucci et al., 1991).
Recalcitrant seeds have not been examined in terms of energy metabolism in the early stage of seed germination.
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