crystals and grubs in raspberries
Weekend Gardener issue 76 (November 2000), there was mention
of Condys Crystals (Potassium permanganate) to combat powdery mildew.
Several enquiries to buy some have drawn a blank. Are these still
available and, if so, where? Also, my raspberries - planted two
years ago - have grubs in the fruit. How do I treat this problem?
permanganate has many different uses, such as disinfecting and cleaning,
through to helping control powdery mildew in home gardens.
You can buy this under
its brand name of Condys Crystals. You may not find it readily on
a shelf in a garden centre, so you may have to get it ordered for
Try some of the commercial
outlets, but if you have no luck, you could try the distributors
Dominion Chemicals in Auckland for contact details in your area.
Without seeing your
raspberries it is a bit hard to say what bug or insect you have
eating the fruit. It would be best to take a sample down to your
local garden centre for better identification. You could have leaf
roller caterpillars, in which case you can spray with Yates Maldison
Gardener, Issue 101, 2002, Page 20
Reproduced with permission from the former Weekend Gardener magazine. The views expressed here are not necessarily those of the RNZIH.