Emerson effect on Autos

Has anyone experimented with the Emerson effect on autoflowers? Because they don't actually need a night time I'm curious whether the red would make them finish faster or not.
I have some Mephisto gear on the way from the illuminauto drop and am thinking of doing a comparison when they show up. Because everything has to start from seed it may take several runs to really prove whether it's really viable or not tho.
Has anyone else tried red with their autos?

Ummmm, I am not up to scratch with the Emerson Effect, but can give input on far red spectrum on Autoflowering plants.

From what I have seen in my current grow using 2 x 300 watt no name flowering leds (just red and a couple i/r diodes) , my plants are so unbelieveably short (just making a foot @45
days) but on the tip scale they are frosty and flowers are as dense as Donald Trump!!
I believe that some blue is complety neccessary for yield sake.
I mean 65 days for 1 and a half Oz of prime is just a waste of time in my book.
Autos need that initial height!!!