when repotting my fuchsia plants i found white maggot loocking grubs had eaten the roots . what do you think they are and how can we stop this happening again as this is the third year this as happend. Ben.
Grubs of the vine weevil-100% certain
There are ways of controlling them but some are more environmentally friendly than others,
A search will give you the answer
Vine weevil killer! Some plants are more susceptible than others, but anything in a container is a sitting duck for these. Google them to see what the adults look like so you can squish em on sight. I'd water VW killer on all your pots at once - otherwise they'll just come back sgain and again and use it prophylactically on things you know are at particular risk, like your fuschias. Tho not on edibles. The maggoty things turn into the weirdest looking little alien guys before becoming the adult weevil. Fascinating really, in a toe-curly kind of way. Fish love em tho, as do robins!
But before you buy vine weevil killer, please read this http://gardenofeaden.blogspot.co.uk/2008/11/imidacloprid-provado-and-threat-to-bees.html and this http://www.soilassociation.org/wildlife/bees/householdpesticides
It is now believed that the plants take up the nicotinoids and it is then in the pollen, which is what is causing the bee colony collapse. Once you've used it on a plant it's there for four months, maybe longer
I've read that you can kill vine weevil grubs by completely immersing affected pots for two days in a bucket of water (not the plant, just the pot with the plant in it). I'm going to try that this year.
Apparently, adding some Jeyes fluid to the water helps, but is not longer legal because it has not been properly tested for this purpose and so cannot be advertised for it. you can, however, buy nematodes for this purpose, though they are expensive.
Birds love to eat vine weevil grubs if you pick them out from the roots of your fuchsia.
Obviously, the biggest thing is to try to get rid of the adults. There are plenty of pictures of them on the net. They are shiny black insects with long antennae and no wings and can be found on the leaves of affected plants, especially at night (unfortunately). Here's a link to some advice about them.
There's a lot of debate about Provado but, unlike lots of garden chemicals, it hasn't been banned yet. Organic gardening is more in tune with nature and is getting to seem more and more sensible!