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POWDERY MILDEW ON ROSES

We humans do not like to be ill. Similarly with plants, only they can’t tell us about it. There is such an all-season disease in our favorite plants – powdery mildew on roses. All-season because roses are grown throughout the year in the open and closed ground. The truth is that it can easily destroy a flower if we don`t respond in time. 

How to find powdery mildew on roses 

Powdery mildew on roses is the result of the attack of the fungus Sphaerotheca pannosa Lew. var. Rosae Voron. This insidious disease develops quite quickly and can migrate to healthy roses with the same speed. The initial stage by which you can recognize the ailment is a powder-like whitish coating on the leaves

First of all, the parts of the plant that are closest to the ground suffer. How much time will pass from infection to visible signs of illness? This time depends on the sustainability of the variety of roses to it. Some varieties quickly fall ill, others resist for a long time. Young and only planted plants are more prone to powdery mildew. Weather conditions also affect the ability to get sick with it. But approximate with the rock manifestations of visible traces range from 3 to 12 days

When the spores of the disease ripen, droplets of contagious “dew” will appear on the plaque. So the disease got its name. Over time, the plaque turns yellow, turns brown, etc., and the plant becomes sluggish, loses its beauty and health. 

During the year, powdery mildew can repeat up to 10-15 times, and under attractive conditions, and 20-25 times (remember? Quickly develops).

To be armed and in time to defeat an insidious enemy, one must look for him not only on the leaves. Inspect regularly shoots and rosebuds. In a state of neglect, at some phase of the generation of the disease, powdery mildew affects the fruit. For those who are engaged in or trying to engage in selection, this scenario is not at all appropriate. By the way, the fruit – a great place to winter spore fungus. 

Where powdery mildew waits for the roses

The primary cause of the appearance of such a disease as powdery mildew on roses is overwintering the fungus spores around the plants. Where is she, such a plague, hiding?

Factors that contribute to the spread of powdery mildew

How to avoid powdery mildew on roses

There are several reinforced concrete rules that have long been used by both professionals and amateurs. They at least half reduce the opportunity to settle powdery mildew on roses. These techniques also work with other plants. 

How to kill powdery mildew on roses

Few rules that will help make the treatment of roses against powdery mildew more effective.

Traditional methods of combating powdery mildew

Adherents of the popular methods to control powdery mildew on roses suitable methods described below. Every remedy is done again every time so that it is fresh. Folk solutions have no shelf life

Treatment of powdery mildew with preparations

Often, folk help, but not for long or at all, they do not cope with powdery mildew on roses. Then you have to turn to chemistry for help. For the treatment against this disease on the market there are many drugs. The same solutions from Bordeaux mixture or copper sulfate. Well cope with the disease fungicides – drugs to combat fungal plant diseases. The only advice is not to constantly use the same drug so that the disease does not develop immunity. Alternate them and you will surely beat powdery mildew on your roses. Remember also about your safety when working with such tools and prepare them according to the instructions. 

You can take advantage of bio-fungicides. They will not help you so quickly, but they are less toxic and cause less harm to the environment.   

Let no diseases come to your garden! Enjoy your growing and easy struggle!

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