Many gardeners who grow raspberries on the site, often faced with the fact that the foliage shrub begins to turn yellow prematurely, and shoots, without apparent reason - to dry up.
Definitely answer why this phenomenon has touched the plant, it is impossible, but some factors you can identify.
Raspberries - it's fruiting shrub that bothand many other garden plants are subject to all sorts of diseases. Most often, to understand what raspberry unwell, can she leaves she becomes yellowish, dry, and in some cases - is twisted. Rid shrub from these diseases in most cases can be complex treatment, but prevention, as many know, is better than cure.
Yellow leaves of raspberry: Causes
Raspberry leaf yellowing may, for various reasons,the most frequent - viral and bacterial diseases, as well as the proliferation of pests, disrupt the normal development of the plant. From the above we can conclude that monitor the condition of the leaves and shoots of raspberries need to very carefully (it is only timely measures taken can save bushes from death).
Turn yellow and dry raspberry leaf: what to do
The first thing to understand the reasonslike illness. If the leaves have changed color, and thus lost the taste of berries, and new shoots too short, it is required to examine the roots of the plant: the existing swellings say that the root shrubs struck cancer. This bacterial disease affects only perennial plantations of raspberries, with regard to the treatment, it is not. Plants with similar disease need to dig and burn. It is worth noting that the soil on which grew sick bushes, unsuitable for planting new shrubs at least five years. To raspberries not touch the disease, follow a few simple rules:
- Prior to planting raspberry bushes treat the roots of a solution of copper kuporosa-
- Do not allow weeds to grow on the plantations with malinoy-
- Fertilize shrubs potash and phosphate udobreniyami-
- Do not fill the plant.
Chlorosis - this is another viral disease withraspberry leaves which turn yellow, and the veins of the leaves remain green. Secondary symptoms of the disease - the formation of dried berries, as well as weak growth of shoots. Provoke disease can be increased acidity of the soil, its high humidity, so the first thing to do is to lower the acidity of the soil (make it in plaster (100 g per sq. M.)). It should also be for a time limit watering.
Prevention chlorosis raspberries
- Promptly remove the branches from the dry and yellow listyami-
- Applied to the soil every two years compost per five kilos per sq. m-
- Spend as much as possible loosening of the soil.
Rust - a disease in which the raspberry leavesdry and curl, then - fall. The first signs of the disease - the formation at the bottom of the leaves dark spots with spores, on shoots - brown ulcers. A method for controlling the disease, only one - the destruction of patients with bushes. To prevent this disease, you need to brush twice a year (spring and autumn) to handle a one percent solution of liquid Bordeaux, in a timely manner to clean up fallen leaves, fertilize with manure in the spring. It should be noted that there raspberry varieties that are resistant to such disease as "rust". The most common varieties - "Progress", "Russian" and "Vechnoplodonosyaschaya".