yes i feed them during rooting. not saying you but not sure why folks think a cutting won't need food to stay healthy during any part of it's life including rooting.
i find without food they yellow nasty during rooting then once rooted take longer to get back up to speed.
i want my rooted cuts as healthy as the day they were cut ready for vigorous growth .
i originally stumbled onto the benefits of feeding during rooting using full strength lucas but have refined a recipe that just works better than anything i have tried.
gh 3part
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G =2.75 tsp pr gl
M =1.1 tsp pr gl
B =1.1 tsp pr gl
there are some further tricks like smashing the rockwool cubes to break up the fibrous structure to allow more aeration and root penetration for young new roots to grow through.
another key is not to apply too much rooting hormone , the stuff is poison in high doses to plant cuttings
gels are hard to regulate how much is applied and you almost always over apply gels . im sure everyone has noticed using gels that the stem puffs up or swells that is over application and slows down the plant upon entry into veg .
i dip as fast as i can with the liquid and thats it . a quick quick dip to a depth of around an 1/8" and then stick it in your medium . it does not take a lot of hormone to work and globs of gel fk up the process.
the best way i have found to use gels is to barely dip just enough to seal the cut end
many methods work to make roots but 99% of the cuttings i see people take look yellow and nasty right after they root and in no way have grown during that process .
cheers
