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you can still apply the biological control nematode at the end of October. Even though it’s still mild, I’m not going to risk a late application, fond as I am of using this method to control slugs. It could be a waste of money if the temperature goes

of these are available as biological controls, however, they need time to tackle the problem, so don't expect them to hoover up the aphids overnight. Small clusters of aphids can be squished with your fingers or washed off with a strong jet of water. Insecticidal soap

soggy mess.One advantage of the rainfall has been the success of the biological control I applied to some areas of my kitchen garden. Nematodes are added to water and applied to the soil in spring. They thrive in warm, moist soil and when they come

I'm not sure what year it is according to the Chinese, but in my garden it is the year of the ant.I never got round to ordering any of the biological ant controls that have been launched recently, so I can't report back on their merits, but I

above 10 celsius in the greenhouse you can use a biological control, such as the parasitic wasp, Encarsia formosa, which attacks the juvenile forms of whitefly.Sprays with products containing thiacloprid, which is absorbed by the plants (causing

not to mistake them for stag beetle larvae, which are endangered. Bad infestations of vine weevil can also be controlled using both biological and chemical methods. I am having a problem with the leaves of my helloebores during the summer months. They are being

, I've never seen so many. I had some Rose Clear so I sprayed one of the trees with this and it does seem to be doing some good - does anyone know what the best solution is? I couldn't use a biological control as there is so much of it - it would need

in the middle of your carrot crop.Rotate your cropsAvoid growing related plants like parsnips and celery near carrots, as they also attract the pest.Avoid parsnips and celeryUse a biological control, such as Carrot Root Fly Killer Nematode, or a sticky trap

fighting back. The eggs hatch and the ichneumon grubs then eat the insect alive, from the inside. Although they are amongst the most important of biological control agents, they are incredibly poorly studied; the few identification guides are highly

controls of the larvae is available as a microscopic pathogenic nematode (Steinernema kraussei) available from suppliers of biological controls. Apply in August or early September when the soil temperature is warm enough for the nematode to be effective (5