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treebeard55 · 05-16-2009, 11:44 PM

Vegetable oil may smother the scale, but neem oil also poisons the juveniles, whose carapaces aren't yet impervious.

Something else that will work is known here in the US as "horticultural spray oil." It's available in garden shops here, and hopefully in Romania too. It's a fine oil that smothers the pests without clogging the plant's stomata.

05-16-2009, 11:44 PM	#12 (permalink)
treebeard55 Join Date: Jan 2008 Location: Warsaw IN, USA USDA zone 5b Posts: 510	Vegetable oil may smother the scale, but neem oil also poisons the juveniles, whose carapaces aren't yet impervious. Something else that will work is known here in the US as "horticultural spray oil." It's available in garden shops here, and hopefully in Romania too. It's a fine oil that smothers the pests without clogging the plant's stomata. __________________ Treebeard 55 Steve Moore http://hoosierbonsai.blogspot.com The most important bonsai tool is your brain.