Many gardeners, who grow raspberries on their plot, often come across the fact that foliage of bushes starts to turn yellow prematurely, and shoots, for no apparent reason, dry up.
It is impossible to answer unambiguously why this phenomenon affected plants, but some factors can be identified.
Raspberry is a fruit-bearing shrub thatAnd many other garden plants are susceptible to all sorts of diseases. The most common way to understand that raspberries is unhealthy, you can by its foliage: it becomes yellowish, dries, and in some cases - twists. Rid of the bush from these ailments in most cases can be complex treatment, however, prevention, as many know, is better than treatment.
The raspberry leaves turn yellow: the causes
Yellow raspberry foliage can for various reasons,Most frequent - viral and bacterial diseases, as well as the invasion of pests that disrupt the normal development of plants. From the above, we can conclude that to monitor the state of leaves and shoots of raspberries must be very carefully (because only timely measures taken can save the bush from death).
The raspberry leaves turn yellow and dry: what to do
First you need to understand the reasonsLike ailment. If the leaves have changed color, and the berries have lost their taste, and the new shoots are excessively short, then it is required to examine the roots of the plant: the existing swelling indicates that the shrub has affected the root cancers. Such a bacterial disease affects only the perennial plantations of raspberries, as for the treatment, it is not. Plants with a similar disease must be digged and burned. It should be noted that the soil on which the diseased bushes grew is not suitable for planting new bushes for at least five years. To raspberry does not affect this disease, adhere to a few simple rules:
- before planting the raspberry bushes, treat the roots with a solution of copper sulfate-
- do not let the weeds grow on the plantations with raspberry-
- feed the bushes potash and phosphoric fertilizers-
- do not fill the plants.
Chlorosis is another viral disease whenThe leaves of the raspberry turn yellow, and the veins of the leaves remain green. Secondary signs of this disease - the formation of dry berries, as well as a weak growth of shoots. To provoke the disease can the high acidity of the soil, its high humidity, so the first thing to do is to lower the acidity of the soil (make a gypsum (100 g per sq. M.)). Also it is necessary to limit watering for a while.
Prevention of raspberry chlorosis
- in a timely manner, remove branches with dry and yellow leaves-
- put in the soil every two years a compost in the calculation of five kilograms per one square meter. M-
- Carry out soil loosening as often as possible.
Rust is a disease in which raspberry leavesDry and twist, then fall off. The first signs of the disease - the formation on the lower part of the leaves of dark spots with spores, on shoots - brown ulcers. The only way to fight this disease is to destroy sick bushes. To prevent this disease, you need to bush the bush twice a year (in spring and autumn) to handle a one-percent solution of Bordeaux liquid, remove the fallen leaves in time, fertilize with spring manure. It should be noted that there are varieties of raspberries, which are resistant to such a disease as "rust". The most common varieties are "Progress", "Russian" and "Eternally Bearing".