The oldest domestic potato variety "Lorkh" photos and characteristics

The oldest domestic potato variety

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Due to the huge popularity of this tasty and healthy root vegetable, there are more and more varieties of potatoes bred by breeders. They try to improve his natural qualities, and very often they succeed. On the other hand, the abundance of types of potatoes can only confuse the still undecided owner.

Therefore, if you are looking for a variety that has been tested by time and many generations of gardeners, then you should definitely pay attention to Lorkh. And in this article we will present you with a description of this variety, introduce you to the peculiarities of its agricultural technology, tell you about the propensity to diseases and the predisposition to attack by pests.

Lorkh potatoes: variety description

Variety nameLorch
general characteristicsmedium-late variety of universal use of medium yield with excellent taste
Ripening period110-120 days
Starch content15-20%
Mass of marketable tubers90-120 gr
The number of tubers in the bush9-11
Yield250-350 c / ha
Consumer qualitiesgood taste, crumbly pulp, does not darken during cooking, well suited for processing into starch
Keeping quality88-92%
Peel coloryellow
Pulp colorwhite
Preferred growing regionsNorth-West, Central, Volgo-Vyatka, Central Black Earth, North Caucasian, Middle Volga, Lower Volga, Ural and West Siberian
Disease resistancesusceptible to potato cancer, nematode and common scab, moderately resistant to late blight
Growing featurespoorly tolerates high temperatures and lack of moisture
OriginatorGNU All-Russian Research Institute of Potato Farming. A.G. Lorkha, GNU Penza Research Institute of Agriculture

Lorkh is the oldest domestic potato variety; it was bred back in 1922 at a potato breeding station, which is now known as the All-Russian Research Institute of Potato Economy. This variety was created by breeder A.G. Lorkh, in honor of which it got its name. Included in the State Register since 1931. Potato varieties Lorkha: Excitement, Aspia, Barin, Bronnitsky, Vasilek and other varieties.

Refers to medium-late varieties of potatoes, its growing season is 80 - 100 days... It has a table purpose, and is also suitable for processing into starch. The content of the latter can reach 20% and more.

In the table below you can see the percentage of starch contained in other varieties of potatoes and compare them with the data:

Variety nameStarch content

Lorkh's tubers are large, heavy and oblong, the average weight of one marketable fruit is 115 g. The rind is thin and smooth, light beige in color. Pulp white and very tasty, in the process of preparation crumbly. Does not darken during heat treatment.

The yield is good, on average, gardeners harvest 25 - 35 t / ha. Keeping quality is also high and is kept at around 88 - 92%.

The yield of other varieties for comparison is presented in the table below:

Variety nameYield
Lorch250-350 c / ha
Hostess180-380 c / ha
League210-350 c / ha
Pretty boy170-280 c / ha
Svitanok Kievup to 460 c / ha
Borovichok200-250 c / ha
Bast400-500 c / ha
American250-420 c / ha
Colombo220-420 c / ha
Red Fantasy260-380 c / ha

We bring to your attention useful information about the properties of potatoes: why solanine is dangerous and potato juice is useful, can it be eaten raw and what is the use of sprouts.

The keeping quality of the tubers of this variety is decent, which helps with long-term storage in cellars. The eyes are small and sparse.

A photo

See below: Lorkh potatoes photo

The bushes of this variety are tall and branched. The foliage is also dense, and the leaves themselves are large and light green, with a slight dissection. The corolla of flowers in the bushes are large and have a pink-purple hue, pleasant to the eye.

Features of the

Due to his age, Lorkh has perfectly taken root not only in most regions of the Russian Federation, but also in all neighboring countries. And his taste and excellent appearance the type of fruit provided him with more than one decade of successful sales in many European markets. In addition, do not forget that it is also used for industrial purposes to obtain starch.

IMPORTANT! As for the choice of an area for planting, it is necessary to highlight the following: young crops of this potato crop do not like too much heat and lack of moisture in the soil. Therefore, gardeners from the southern regions must prepare good irrigation conditions, preferably automated.

In terms of soil selection, this variety is not too whimsical, however with a lack of potassium and phosphorus in the soil the resulting fruits may have a less attractive appearance. Some gardeners also choose to cut up their planting material to increase the amount. And if individual varieties can survive this procedure with minimal losses, then in the case of Lorkh, the quality and volume of the harvest will significantly decrease.

Planting your sprouted tubers should be in holes about 8 cm deep. Unlike many other types of potatoes, Lorch tubers should be placed sprouts down. This stimulates the formation of more spreading bushes, which, accordingly, will have better lighting. Subsequently, your plants need to be provided with mandatory feeding, nitrogen fertilizers are best suited here, which can be applied already at the growing season.

In general, the agrotechnical methods for growing this variety are standard - hilling, weed control, mulching if necessary and desired, watering.

Diseases and pests

Late blight

Apparently due to his growth, Lorkh has acquired an impressive immune system, which provides him with resistance to almost all diseases and pests.

So, it has excellent protection against: viral diseases, late blight, rust, bacteriosis, alternaria, verticillosis, fusarium. Only 2 diseases can find a gap in his defense: scab and cancer.

Potato cancer is very dangerous and can affect not only the potato itself, but also the soil around it. Therefore, if your plants still get sick with them, then everyone affected bushes should be burned immediately.

Also, in this case, it will be necessary to carry out the correct crop rotation. That is, include in it row crops that will rid your soil of cancer for up to 6 years... Of the chemical means of protection, the treatment of planting tubers with a suspension of foundationol or a suspension of benomyl can help here.

In the fight against scab, again, adherence to crop rotation and the use of healthy planting material will help. In addition, siderates significantly interfere with the development of the disease. As for chemicals, trichodermin will be extremely useful. They can pickle both tubers and the soil itself.

In this video, you can watch various ways to deal with scab:

If we talk about pests, then most often gardeners have to fight against the Colorado potato beetle and its larvae, bear, wireworm, potato moth.

We invite you to familiarize yourself with the materials on the most effective measures:

  1. How to get rid of a wireworm in your garden.
  2. We destroy the bear with the help of chemistry and folk methods.
  3. What will help against potato moth: part 1 and part 2.
  4. In the fight against Colorado, all means are good - folk and chemical:
    • Aktara.
    • Regent.
    • Prestige.
    • Corado.

It is not for nothing that Lorkh remains a popular potato variety even 80 years after its creation. High yield, resistance to many diseases and use for industrial purposes will make this variety in demand for a long time to come. And if something is in demand, then it at least deserves the energy spent on growing it.

We also offer you to get acquainted with other methods of growing potatoes, for example, with Dutch technologies. And also learn all the intricacies of working with early varieties, growing methods under straw, from seeds, in bags, in boxes and in barrels.

And in the table below you will find links to potato varieties with a wide variety of ripening periods presented on our website:

Mid-seasonMid lateMedium early
TuscanyMargaritaPretty boy
Purple HazeCourageCrown
DesireeMy ladyElizabeth

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