Sirtema BIO

Tubercle: Short oblong, quite regular, fairly superficial eyes, yellow skin, yellow flesh

Flower: Upper face white, lower face purple red, floral bud partially pigmented

Germ: Purplish-red, spherical, low hairiness

Plant: Quite low size, spread out, leafy type.

Stem: Weak pigmentation, with slightly pronounced wings, rectilinear.

Leaf: Clear green, moderately divided, closed; leaflet large, rounded oval (I = 1.70); semi-blister blade.

Flowering: Little abundant.

Fructification: Rare.

Yield of the sirtema potato plant: 89% of Bintje.

Sizing: Proportion of large tubers: high.

Sensitivity to diseases: Leaf blight: sensitive.

Tuber blight: moderately sensitive.

Potato wart: not attacked. Common scab: not very sensitive.

Virus X: R.A.S. Virus A: R.A.S. Virus Y: sensitive.

Winding: moderately sensitive.

Nematode ROI -4: R.A.S.

Internal defects of the tuber: Little sensitive to rust spots, quite sensitive to hollow core and moderately sensitive to ashen spots.

Sensitivity to Pegermage: Quite insensitive.

Vegetative rest of the sirtema potato plant: Very short.

Culinary quality: Good resistance to cooking, culinary group B, blackening after cooking: null, frying coloration: R.A.S.

Dry matter content: Low.

Suitability for preservation: Low.

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