The vaseline idea is fine IF the aphis are being transported to the plant by ants. I doubt this is the case with your roses, most likely the females have flown in. Aphis reproduction is truly phenomenal and entire colonies can be replaced overnight. There are two very easy ways to get rid of them; blast them with the hose, they cannot crawl back, nor up the stems; buy a "systemic" insecticide. This is taken up by the roots, therefore cannot be made redundant by the weather. Take note: aphis are apart of gardening life, and cannot be eradicated.
Kind Regards Chris.
Quote:
Originally Posted by Trish Brown
len gardener wrote:
g'day sandra,
anyhow roses?? ok look for the ants hey, they will be there so target
the ants as in get them to move on whatever and then the aphids wil
die out, or once the ants ahve gone they can be knocked off the um
roses with s trong spray not jet of water.
you could also try applying a layer of vaseline around the trunk near
the base so the ants can't climb up the plant, be sure the plant
touches nothing else or they will find that route. there is some
product yo can buy for this purpose one is a tape the other a gel that
orchadists use.
other than that they realy won't do that much damage.
On Mon, 8 Sep 2008 19:24:01 +0800, "Sandra Bodycoat"
wrote:
snipped
With peace and brightest of blessings,
len & bev
Thanks for the vaseline idea, Len! Now why didn't *I* think of that!
It's brilliant!
Another good way of knocking off aphids is a cheap one-inch paintbrush.
You have to have the patience of a saint, but it's worth it to finally
see healthy new shoots on your roses!
--
Trish Brown {|:-}
Newcastle, NSW, Australia |