Rose Disease And Pest List
When a novice rose gardener starts reading the long list of rose diseases and pests they might well want to reconsider embarking on growing roses
. Their vision of spending a leisurely time tending beautiful healthy roses that are flowering profusely in their rose garden changes to one of themselves in combat attire fighting of the many attacks of an endlessly long list of diseases and pests. Fortunately it is not as bad as the rose disease and pest list makes it out to be.
There are plenty of non-toxic (for us and our roses not for the pest or disease) strategies to prevent rose disease from happening and to ward off any rose pests that might come snooping around. One hugely important one is to have a varied garden, so no mono-culture. Always have other flowering plants nearby as well as herbs and even vegetables. By emulating nature you will create a healthy balanced garden environment in which disease and pests do not easily get a foot hold. Of course you can have the roses as a stand alone feature but do have some herbs not too far off.
Another thing to remember is that rose disease is something your roses are going to be more susceptible to when they are stressed. Always fertilize sufficiently, water regularly in the morning and remove any possibly diseased or damaged parts as soon as possible. When your roses are well cared for they well be able to withstand pest attacks if they were to occur and of course they will not likely get a disease. Because roses are attractive to fungi it is necessary to keep trace elements and Potassium available as these help the roses to be much less prone to fungal attack.
Rose Disease - Fungal.
Downy mildew and Rust are usually mild and not a big problem.
Powdery mildew is found on the top surface of the leaves and is white and powdery.
Botrytis blight looks greyish brownish on flowers and will rot the plant and make flowers die early.
Black spot are spots on the leaves and leaves will be lost.
Stem canker enters a plant via a cut and if it enters the crown will kill the entire plant. The way to not have this disease is to work with clean tools that get wiped between plants.
Fungal rose diseases do better during damp weather especially if it is reasonably warm as well. Wet leaves make it easy for fungi to get a hold on the plant. Watering is best done first thing in the morning so that the leaves may dry. When pruning keep your cutting tool from transmitting a disease by cleaning it of with a sterilizing liquid, or rag soaked with this liquid, such as an essential oil solution or even just plain old vinegar.
Viral Rose Diseases are a serious concern and it is best to establish that any roses you buy in are virus free. For instance the Rose mosaic virus looks like mottling and a mosaic yellowing in the shape of an oak leaf plus distorted flowers . This virus is only spread by unsterilised tools. And then there is Rose wilt which makes the leaves and also other parts of the rose curl downward and leaves will drop early. The color of the leaves is faint and the plant does not grow well. With rose wilt the whole plant needs to be disposed off. Do not put it in your compost through hit our completely. These two are the main ones to look out for but unfortunately there are more viral diseases although they do not tend to affect roses as much.
Some Rose Pests are:
Thrips, Red spider mites, Aphids, White fly, Caterpillars and so on.
A poly-culture garden will keep these pests from taking over. Even though they might be present they are not likely to cause a major problem in a poly-culture.
Grow a "nature " garden and you will have healthy balanced plant life that can withstand any passing rose disease or pest. Organic rose gardening will help you spend more time admiring your roses than crying over them. Set your garden up right and that long list of rose diseases and pests will no longer worry you.
by: Rhonda Jeffry
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