Diseases of red currant: prevention mandatory

Most common are diseases of red currant: Anthracnose, powdery mildew, American, found. Let's consider them in more detail.

This berry Bush more often affected by fungus pseudopeziza. The peak of the disease of red currants, called Anthracnose, is in the middle or the end of the summer season. The disease is caused by disorders of physiological functions of the plant, entailing a deceleration of its development, and as a result — reducing harvest in the coming year. From this disease of red currants affects mainly leaves, occasionally cuttings or berries. The affected areas appear very small, about the size of one millimeter, brown spots, which later turn black. In severe cases the hive reduces its growth by a third, and the harvest – half.

The extent of the disease in this orchard crops with Anthracnose depends not only on the weather, cultivar and age of the plant, but the contamination of the land on which grows red currant. Disease (photo they are usually depicted almost naked plants) are expressed in drying of leaves and their premature fall. This is most often observed in the stagnation of moisture, and in humid and cool weather as the mold spores spread with the help of rain water. To combat Anthracnose need spraying. The perfect cure is a one per cent solution of Bordeaux fluid.

The causative agent of a disease of red currants, as wheat leaf blotch, is the body of ribis Desm. On the leaves of horticultural crops are formed rounded or angular spots, at first brown, then white. The edges of the lesions formed brown stripes. The leaves dry up and fall off.

Recommended

Staff evaluation: system and methods

Personnel Assessment allows you to identify how competent the employees involved in the enterprise, and it is the performance of their work – the most significant factor affecting the efficiency of the company. To clarify the impact of performa...

How to start your own business: important aspects.

Many people, tired of working for someone else, are increasingly thinking about how to start your own business. Someone wants to open a salon, someone store, and someone enough and vegetable stalls. Before you throw in the pool with his head, it is i...

Business activities. its essence and basic functions

The Entrepreneurial activity of the citizen – is undertaken at your own risk and independent activity, which aims to systematically profit through the sale of works, goods, services, use of the property. The citizen engaged in such activities, ...

Agrotechnical and chemical measures of fight against Septoria leaf spot are the same as in the Anthracnose. Microorganism Morava the American powdery mildew, can cause diseases of red currant, referred to as American mildew. The disease covers not only foliage garden shrub, but its petioles, shoots, buds and berries. First disease symptoms were observed on the apical shoots. Lower side of leaves along the veins in the side lobes is covered with white powdery bloom, gradually turning into a dense felt layer with a brown color. The degree of damage of the Bush depends on the weather, varietal characteristics and contamination of the site. From this disease of red currant sharply reduced winter hardiness. In addition, the leaves become ugly, twisted. The spread of American powdery mildew contributes to the mild winter with plenty of snow, creating a greenhouse effect. With a thick planting of this disease of red currants can die virtually all other berries, such as gooseberries or raspberries.

Agricultural technicians recommend regular prevention of this disease, feeding garden plants with nitrogen fertilizers. Of chemical agents to fight American Rosa the most suitable solution of soda ash with the addition of soap. You need to spray twice with an interval of ten days fifteen or twenty days before harvest.

The Fight against diseases of red currant should include pre-and prevention.