And then I will repost the post I did that was on topic of hascent :

Tuber morphology, germination behaviour and propagation efficiency in three …
K Joseph John, VT Antony, J Marydas, R … - Genetic Resources and …, 2009 - Springer
... In undisturbed pots, it was 60, 120 and 128 days, respectively. Invariably all the
three species started sprouting by the end of Febru- ary. Moisture loss and aeration
may be the factors responsible for hascent (early) sprouting. ...

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