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KRN House & Garden Plants
KRN House & Garden Plants

biological plant control
The Battle of the Bugs!

At K.R.N. we do not like pesticides very much...
Our plants don't like them; some cause damage to the leaves; growth can be slower; and often the plants lose their 'healthy glow'.
Our staff don't like them... pesticides are nasty things to work with; protective clothing is required which is hot and sweaty to work in and the plants cannot be handled for a while afterwards.
Our environment doesn't like them... we have all heard about Pesticides and the Environment.
'Friendly Bugs' don't like a crop of plants there are a number of natural beneficial organisms which help to control pests and diseases.
Pests and Diseases do like them!! Well, OK, they don't actually like them but often they will start to tolerate pesticides. Many pests are becoming difficult to kill as they build resistance to pesticides.

KRN house plants are against pesticides

So what do we do instead?
At K.R.N. we use something called Integrated Pest Management (IPM). We call on the help of beneficial organisms to control the levels of pests and diseases on our nursery. Only if the pests start winning the battle do we apply a suitable pesticide; one which has a minimal detrimental effect on our beneficial organisms but will redress the balance and allow our bugs to gain the upper hand. We aim for zero levels of pests on our plants and so we often have an overwill situation by applying large numbers of beneficial organisms.

What do we use?
Each pest requires a different strategy and there are a lot of beneficial organisms up for the job;

Bugs - Predatory and Parasitic insects and nematodes which will hunt down pests and devour them or even lay eggs inside pests. Most of these are tiny and cannot easily be seen by the eye so there is no danger to Fred the hamster being eaten once the plant is placed in the house!

Fungi - Usually these are bad for plants causing mildew, root rots, rusts etc. But there are a few which are on our side and they are very effective. The one we use is called Verticillium lecanii, once the spores are sprayed on to the crop they infect Whitefly, Aphids and Thrips eventually, killing them over a few days.

Garlic!! - Tastes great in your curry but have you noticed that everyone seems to keep their distance the morning after? Well, Thrips don't like the smell either so we spray our crops with Garlic extract, and it works very well. One unfortunate consequence is that the whole place smells like a pizza restaurant!

So spare a thought for our poor Greenfly and Red Spider .... they just don't stand a chance!


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