The Rosan potato variety has existed for more than twenty years, but it is still popular among gardeners in the Russian Federation and in other countries.
It is appreciated for its early maturity and unpretentiousness, as well as remarkable yield.
Read more about Rosan potato later in the article: description of the variety, its main characteristics. As well as features of cultivation, susceptibility to diseases, susceptibility to attack by pests.
Rosana potato variety description
Grade name | Rosana |
general characteristics | early ripe variety with excellent taste and disease resistance |
Gestation period | 70-75 days |
Starch content | 13-14% |
Mass of commercial tubers | 145 gr |
The number of tubers in the bush | no data |
Yield | 145-245 c / ha |
Consumer quality | excellent taste, does not fall apart, can be used for drying |
Recumbency | the good |
Skin color | pink |
Pulp color | light yellow |
Preferred growing regions | Central |
Disease resistance | resistant to potato cancer, golden potato cyst nematode and other viral diseases |
Features of growing | needs pretreatment before planting |
Originator | launched in Germany |
Potato Rosana attributed to the early ripening varieties. The full period from the emergence of seedlings until the maturity of this potato lasts about 70-75 days.
It was registered in the State Register of the Russian Federation in the Central Region. From one hectare of land usually harvested from 145 to 245 centners of the crop.
This root vegetable has a great taste, does not boil soft and can be used for drying and subsequent processing in dried form. is he easily tolerates dry weather and does not impose any special requirements on the composition of the soil.
Rosana potato variety shows resistance to various diseases, potato cancer, golden potato cyst nematode and other viral diseases.
Characteristics of potatoes
For this variety of potatoes, medium-sized shrubs of an intermediate type are characteristic, which can be either upright or relatively sprawling. They are covered with leaves that can be of medium or large size. The leaves are both closed and intermediate type, and their color can be green or dark green.
The corollas of these plants differ in large size and have a purple color with a reddish tinge. Rosan potato tubers have an elongated oval shape. The average weight of these tubers is 145 grams. They are covered with a smooth skinned reddish color. The flesh on the cut has a light yellow color. The starch content in the roots of this class is at the level of 13-14%.
You can compare this indicator with other varieties using the data in the table below:
Grade name | Starch content |
Aurora | 13-17% |
Skarb | 12-17% |
Ryabinushka | 11-18% |
Blue | 17-19% |
Zhuravinka | 14-19% |
Lasock | 15-22% |
Magician | 13-15% |
Granada | 10-17% |
Rogneda | 13-18% |
Dolphin | 10-14% |
Country of breeding and year of registration
Rosan potato variety was bred in Germany in the 20th century.
A photo
In the photo you can see Rosana potato variety:
Features of growing
This type of potato needs pretreatment before plantingwhich suggests gardening, germination and disinfection. This will help accelerate the growth of bushes, increase yield and protect the garden from diseases and pests.
The depth of planting tubers should be from 6 to 9 centimeters. Landings should be placed in even rows in a direction from north to south.
In the period of active growing season, watering should be insignificant, and at the stage of budding and flowering - more abundant.
Conducting root and foliar dressings must be carried out on depleted soils, as well as in the case when the bushes are developing poorly or slowly. How and when to apply fertilizer, as well as how to do it when planting, read the additional materials.
We bring to your attention the articles on why and how to properly use fungicides, herbicides and insecticides.
Read also useful information about other methods of growing potatoes: under straw, in bags, in barrels, Dutch technology.
Diseases and pests
Rosana Potatoes rarely suffer from various diseases.
However, you can carry out preventive spraying of planting chemicals. This should be done in cloudless weather, when the dew is completely dry. The ambient temperature should be at 18 degrees Celsius.
You can read more about the most common diseases of Solanaceae on our website: fusarium wilt, scab, Alternaria, verticilliasis, late blight.
To protect the tops from the Colorado potato beetle will help a solution of soap and ash. You can also use other popular methods or apply chemicals.
Variety Rosana has a lot of positive qualities, which include its good keeping quality and transportability.
That is why it is not the first year that he occupies one of the leading positions among potato varieties.
With the keeping quality of other varieties you can see in the table below:
Grade name | Recumbency |
Kiranda | 95% |
Minerva | 94% |
Juvel | 94% |
Meteor | 95% |
Farmer | 95% |
Timo | 96%, but the tubers germinate early |
Arosa | 95% |
Spring | 93% |
Veneta | 87% |
Impala | 95% |
We also bring to your attention a series of materials about the storage of potatoes: in winter, in boxes, in the refrigerator, cleaned. And also what are the terms for this root crop.
Below in the table you will find links to articles on potato varieties ripening at different times:
Middle late | Medium early | Late-ripening |
Aurora | Black Prince | Nikulinsky |
Skarb | Nevsky | Asterix |
Courage | Darling | Cardinal |
Ryabinushka | Lord of the expanses | Kiwi |
Blue | Ramos | Slav |
Zhuravinka | Taisiya | Rocco |
Lasock | Lapot | Ivan da Marya | Magician | Caprice | Picasso |