The better you know the enemy, the easier it is to defeat him. This also applies to potato diseases. If you know how to identify diseases by the type of tubers, know what to do in case of illness, and know how to prevent it, then this will reduce crop losses several times.
The more potatoes?
Potatoes are the basis of our nutrition. However, diseases can significantly reduce the yield of this vegetable. It is affected by late blight, scab, alternaria. To preserve the harvest, you need to be able to recognize the disease.
Potato scab
Pathogens enter the tubers through damage. As a result, the appearance and taste of potatoes become worse, and the amount of nutrients in it decreases. Although you can still eat it by cutting off the affected area.
The disease has several varieties:
- Common scab.
- Powdery scab.
- Silver scab.
- Black scab.
Potato late blight
If you do not take action, then this disease will quickly spoil up to half of the harvest. It is better to prevent an attack than to fight it. The first sign of late blight is dark spots on the tops. Gradually, the plant dies, and spores form on the inner side of the leaf in the form of a light bloom. Spores are carried by rain and wind to other plants.
Potato Alternaria
Dry spotting is quite common. Usually it affects no more than 5% of potatoes, but in dry weather it can spread to 50% of the plants.
If Alternaria has appeared in your garden, then in mid-June you will notice spots on the lower leaves of the potatoes. The lesion will then spread higher and affect the stems.
Alternaria rarely spreads to tubers.
To conserve crops, choose varieties that are resistant to these diseases.
Scab resistant varieties
Alyona
Produces neat red tubers with a white core weighing about 150 g. The crop ripens early (60-70 days). In addition to scab, Alena is resistant to potato cancer and drought, but is susceptible to late blight.
Snow White
The advantage of this variety is its appearance: smooth yellowish skin, even oval shape, tiny eyes. Snow White is well kept and is not afraid of scab and phytophthora.
Lasunok
It has a good yield (620 kg per one hundred square meters) and excellent taste. Light yellow tubers weighing 170 g. The Colorado potato beetle is rare on this variety.
Late blight resistant varieties
Spring
The crop ripens very quickly - in 70-75 days. The variety is resistant not only to late blight, but also to cancer, nematodes and other diseases. The oval, pink-skinned tubers have excellent taste. They can be fried or boiled.
Blue
The shape of this variety is round, yellowish in color. The pulp remains white during cooking. A wide variety of dishes can be prepared from this potato variety. It keeps well and is not afraid of drought.
Nevsky
Differs in good taste and productivity. Not afraid of most diseases. Tubers are light in color, do not darken for a long time in air.
Varieties resistant to Alternaria
There are no varieties that are not at all afraid of this disease, but some are less susceptible to it. They should be chosen.
Adretta
Among the varieties with yellow peel, it has an excellent taste that does not spoil even when it freezes. Especially its taste is revealed when cooking in a uniform.
Lyubava
An early variety, ripens in 70-75 days. The attractive white flesh does not darken when cooked. The color of the tubers is pink. The yield is high. The variety is not susceptible to most diseases, but it is prone to scab.
Bronnitsky
White potatoes resistant to Alternaria, scab and blackleg, ideal for deep-frying.
Multiple Disease Resistant Varieties
Lapis lazuli
Ripens very quickly - in 45-50 days. Rounded yellow tubers have excellent taste. Most diseases will fail to develop on this potato.
Dewdrop
Most diseases, if they manage to capture this variety, they will not cause serious damage to it. The oval tubers store well and the yellowish flesh is suitable for many dishes.
Scarb
In addition to resistance to many diseases, Scarb has an excellent appearance (oblong yellow tubers), delicious pulp that does not darken during cooking.
Of course, the ideal variety, which no disease will take, does not exist yet. But you can choose one that will be protected to the maximum.
Read also: How to say goodbye to ants in the garden
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