Scottish Bonsai Association A to Z of Bonsai Terms

 A To Z Entry For Bonsai Derris (Treatments)


 Derris - (Treatments)

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This is an organically derived, short persistance pesticide, otherwise known as "rotenone" used to combat, greenfly, blackfly, sawfly (gooseberry, pear & rose) raspberry beetle, flea beetle, small CATERPILLARS, thrips, wasps and red SPIDER MITEs.  It was made illegal to use this after October 2009.

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