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Roksana

 

The middle-early sort, has middle requirements to quality of soil and middle necessity in providing water. Very stable form of tuber with good firmness to parsha. Tubers of oval form, a skin is yellow, pulp is cream, the productivity is high. Saved well. Well befits for washing and packing.

Landing must be in the distance 28-30sm between tubers and 75sm between rows.

Ripening term

Middle-early

Culinary qualities (EAPR)

B mainly with middle hard texture

Firmness to nematode

Ro1

Firmness to the cancer of potato (Synchytr.)

1

Form of tuber

Oval

Depth of bedding of peep-holes

Shallow

Skin

Yellow

Productivity

High

Color of pulp 

White

Size of tubers

Equalized on a size

Qualities of consumer’s

Very good taste

Darkening after cooking

Low

Firmness:

 

Virus of Y (PVY)

Ever-higher

Rolling-up of leaves (PLPV)

High

Parsha is usual (Streptomus scabies)

Ever-higher

Black leg (Erwinia scabies)

High

Phitoftoroz (Phytophthora infestans)

High-very high

Rzhannost' of pulp

Middle

Receptivity to the mechanical damages

Middle

State of rest

Hsgh, saved well

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