Root pruning chemicals

aaguilar

I have read in a plant book that CuOH root prunes plants. By putting a layer of CuOH in the internal part of the pot will prune the roots that make contact with it. The question is:
Is this good as manual root pruning?

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Shibui

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ripsgreentree

Putting root pruning chemicals into your bonsai pot sounds like a good way to kill your bonsai. Generally speaking you don't want to inhibit the growth of roots just prune them back when they become over grown.
ripsgreentree

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ripsgreentree

It requires an open hand to give and to recieve.

D3rutat

Copper Hydroxide is used as a fungicide and a high concentration can surely kill your tree.I suggest you do as ripsgreentree suggested

Used as broad spectrum foliar fungicide on fruits,
vegetables and ornamentals (4. Kocide 101 has been cleared for use
on alfalfa, almonds, apricots, beans, blackberries, broccoli, Brussels
sprouts, cabbage and cauliflower, cantaloupes, honeydews, muskmelons,
carrots, celery, cherry, cranberry, cucumbers, currants, gooseberry,
grapes, filberts, peaches, nectarines, peanuts, pears, peas, peppers,
potatoes, pumpkin, squash, strawberries, apples, eggplant, hops,
lettuce, onion, sugar beets, sycamore, tomatoes, walnut, watermelon,
wheat, and barley (56).

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Bonsai Club Romania

RonMartin(deceased)

Definitely not something I would use