BASIC DATA
| Variety Name: |
Ametyst |
| Earliness: |
medium early |
| Usage type: |
Edible |
ORIGIN
| Origin: |
PW 353 x Likaria |
| Country of origin: |
Poland |
| Year of registration in Poland: |
2009 |
| Year of removal from the register: |
|
| Breeder: |
PMHZ Strzekęcin |
| The representative maintaining the variety in Poland: |
Pomorsko Mazurska Hodowla Ziemniaka sp. z o.o. |
COMPOSITION (CONTENT)
| Starch content [%]: |
14.4 |
| Dry matter content [%]: |
23.0 |
| Vitamin C content [mg%]: |
13.3 |
| Glycoalkaloid content [mg/kg fresh weight]: |
133.0 |
| Solanine content in tubers [%]: |
|
STORAGE
| Storage Durability: ⚠ |
3 |
| Recommended Storage Temperature for Seed Potatoes [°C]: |
3 |
| Recommended Storage Temperature for Edible/Processing Potatoes [°C]: |
5 |
| Bulb Dormancy Period: ⚠ |
8 |
TUBERS
| Shape of tubers: ⚠ |
Round-oval |
| Shape regularity: ⚠ |
6.6 |
| Eye depth: ⚠ |
8.0 |
| Bulb size: ⚠ |
7.0 |
| Skin color: |
yellow |
| Skin smoothness: |
Medium smooth |
| Flesh color: |
creamy |
| Sprout color: |
Reddish-purple |
FLOWERS
| Flower color: |
biały |
| Abundance of flowering: |
3 |
| Color of anthers: |
|
| Length of the pistil: |
|
BUSH
| Plant height: |
medium |
| Thickness of the stem: ⚠
|
|
| Plant habit type: |
Intermediate |
TASTE
| Typ kulinarny: ⚠ |
BC |
| Taste : |
Quite good |
| Taste [1-9]: ⚠
|
6.2 |
BROWNING OF THE FLESH
| Raw after 4 hours: ⚠ |
4.0 |
| Cooked after 10 min: ⚠ |
|
| Cooked after 24 hours: ⚠ |
7.0 |
SUITABILITY FOR
| Fries: |
|
| Suitability for fries – index: |
|
| Chips: |
|
| Suitability for chips – index: |
|
| Dried products: |
|
| Canned and frozen products: |
|
| Salads: |
|
| Mashed potatoes, dumplings, pancakes, noodles: |
|
TENDENCIES TO
| Dark powdery mildew: ⚠ |
5 |
| Bulb deformations: ⚠
|
1.0 |
| Bulb cracking: ⚠
|
4 |
| Rusty discoloration of the flesh: ⚠
|
1 |
| Hollowness of bulbs: ⚠
|
3 |
POTATO NEMYTH
| Pathotype resistance: |
Ro1, Ro3, Ro4 |
POTATO CANCER
WIRUSY
| Potato Virus Y – PVY: ⚠ |
9 |
| Response on tubers after PVYNTN infection: |
|
| Leafroll Virus – PLRV: ⚠ |
5-6 |
| Potato Virus M – PVM: |
bardzo odporna |
| Potato Virus M – PVM [1-9]: ⚠ |
8.0 |
| Potato Virus X – PVX: ⚠
|
|
POTATO BLIGHT
| Leaf resistance to potato late blight: ⚠ |
6.0 |
| Tuber resistance to potato late blight: ⚠ |
|
ROT
| Tuber resistance to wet rot: ⚠ |
|
| Tuber resistance to wet rot: ⚠ |
|
OTHER DISEASES
| Tuber resistance to mechanical damage: ⚠ |
3 |
| Plant resistance to blackleg: ⚠ |
|
| Tuber resistance to common scab: ⚠ |
|
| Tendency of tubers to silver scurf infection: ⚠ |
6.0 |
| Tendency to tuber cracking |
TOTAL YIELD
| After 60 days from planting [dt/ha]: |
|
| After 75 days from planting [dt/ha]: |
|
| At the end of vegetation [dt/ha]: |
644 |
COMMERCIAL YIELD
| After 60 days from planting [dt/ha]: |
|
| After 75 days from planting [dt/ha]: |
|
| At the end of vegetation [dt/ha]: |
625 |
COMMERCIAL YIELD AS A PERCENTAGE OF TOTAL YIELD
| After 60 days from planting [%]: |
|
| After 75 days from planting [%]: |
|
| At the end of vegetation [%]: |
97 |
FERTILIZATION
| Recommended nitrogen dose for early harvest [kg N/ha]: |
|
| Recommended nitrogen dose at the end of vegetation [kg N/ha]: |
120 |
REQUIREMENTS
OTHER INFORMATION
| Level of difficulty in seed production: |
łatwa |
| Number of tubers per plant [pcs]: |
24.4 |
| Number of stems [pcs/tuber 20g]: |
2.3 |
GENERAL REMARKS
It possesses the Rm gene – full resistance to PVY
