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Firstly, I'm personally not in the field of Bioinformatics, so apologies if this is a dumb question.

Does anyone know of any research that has been carried out on the sequencing of deciduous plant DNA? I'm curious as to how a plant knows when to drop it's leaves:

  • If it's time based
  • Triggered by temperature
  • A combination of the two

It must be possible to determine this, through either experimentation or genome sequencing. Depending on the result, I think you could exploit this mechanic:

  • Make hydroponically grown trees go through the seasons, much faster
  • Or prolong high-growth seasons like summer, under lab conditions.
  • You could make rare flowers, like The Cereus Flower bloom more often than once a year.

Does anyone know of any research like this?

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  • $\begingroup$ To study this is not necessary to use DNA, or bioinformatics. I studied it under Plant Physiology. BTW what have you searched for? A simple search returned some entries of interest like this one which explains some factors. Other university level books explain how does the process work. $\endgroup$ – llrs Nov 15 '18 at 9:45
  • $\begingroup$ Thank you, yes that looks interesting, I was just wondering there was more research into the DNA of the plants to determine the phenomenon. But yes, it looks like the lack of food production, is a simple reason that causes the leaves to drop. I wonder if trees could be kept in an eternal summer, would they still drop their leaves? $\endgroup$ – Ben Winding Nov 15 '18 at 11:10
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    $\begingroup$ You don't need an eternal summer to keep the leaves on trees! So, yes, if you kept the light and the temperature constant they would remain. But that is outside the scope of this site. Perhaps you could try asking in biology.stackexchange or in other forums outside stackexchange. Good luck $\endgroup$ – llrs Nov 15 '18 at 11:39
  • $\begingroup$ An oak tree genome was sequenced actually, it was sequenced twice and I vaguely remember seeing more genomes like prune. However, I don't know about anybody that have tried to address your specific question about dropping leaves using genomics. $\endgroup$ – Kamil S Jaron Nov 23 '18 at 18:53

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