Open Access
Table 1
Cultivar susceptibility to pear scab in the collection nursery of the Pomological station of the FSFIS "NBG-NSC" 2019-2021 (without treatments)
| № | Cultivars | Origin | Terms of maturity | The index of the development of the disease on fruits, R,% | |||
|---|---|---|---|---|---|---|---|
| 2019 | 2020 | 2021 | Average, % | ||||
| Vulnerable cultivars | |||||||
| 1 | Akkord | Ukraine | Winter | 72.1 | 63.7 | 85.5 | 73.7 |
| 2 | Alupkinskaya | Russia | Summer | 71.2 | 64.0 | 73.2 | 69.4 |
| 3 | Malgorzhatka | Ukraine | Summer | 81.3 | 78.6 | 88.0 | 82.6 |
| 4 | Zamestane | Bulgaria | Summer | 77.5 | 67.4 | 81.4 | 75.4 |
| 5 | Rozovaya Rannyaya | Ukraine | Summer | 64.5 | 55.2 | 72.4 | 64.0 |
| 6 | Saint Germain | France | Winter | 70.7 | 61.4 | 82.1 | 71.4 |
| 7 | Rannyaya Vishnyovaya | Ukraine | Summer | 54.9 | 34.1 | 43.5 | 44.2 |
| Tolerable cultivars | |||||||
| 8 | Luchistaya | Ukraine | Summer | 25.8 | 18.3 | 32.2 | 25.4 |
| 9 | Shveitsarskaya Polosataya | Sweden | Winter | 25.5 | 21.1 | 27.3 | 24.6 |
| 10 | Dekanka Boucher | France | Winter | 20.2 | 0 | 23.5 | 14.6 |
| 11 | Grand Champion | USA | Autumn | 15.3 | 10.6 | 25.7 | 17.2 |
| 12 | Korsunskaya | Ukraine | Autumn | 19.6 | 10.4 | 21.1 | 17.0 |
| 13 | Eva | Italy | Autumn | 8.4 | 0 | 11.7 | 6.7 |
| 14 | Zukhra | Uzbekistan | Autumn | 10.0 | 0 | 12.9 | 7.6 |
| 15 | Krasnomakskaya | Ukraine | Winter | 2.8 | 0.7 | 6.5 | 3.3 |
| Resistance cultivars | |||||||
| 16 | Zhukovka | Ukraine | Autumn | 0 | 0 | 4.0 | 1.3 |
| 17 | Zaporozhskaya | Ukraine | Summer | 0.5 | 0 | 3.5 | 1.3 |
| 18 | Triumph of Jodoin | Belgium | Winter | 0 | 0 | 3.5 | 1.1 |
| 19 | Vodyanistaya | Ukraine | Summer | 0 | 0 | 3.0 | 1.0 |
| 20 | Dorodnaya | Ukraine | Summer | 0.5 | 0 | 2.5 | 1.0 |
| 21 | Bere Shibasso | Ukraine | Autumn | 0 | 0 | 0.5 | 0.2 |
| 22 | Martin Sekl | Italy | Summer | 0 | 0 | 0.5 | 0.2 |
| 23 | Yantarnaya | Ukraine | Autumn | 0 | 0 | 0.5 | 0.2 |
| Immunity cultivars | |||||||
| 24 | Zimovka | Russia | Autumn | 0 | 0 | 0 | 0 |
| 25 | Trapezitsa | Bulgaria | Summer | 0 | 0 | 0 | 0 |
| 26 | Chervona | Ukraine | Summer | 0 | 0 | 0 | 0 |
| 27 | Shara Bera | Ukraine | Winter | 0 | 0 | 0 | 0 |
| 28 | Seyanets Kolossa | Ukraine | Summer | 0 | 0 | 0 | 0 |
| 29 | Populyarnaya | Ukraine | Autumn | 0 | 0 | 0 | 0 |
| 30 | Kurzemskaya Maslyanaya | Latvia | Autumn | 0 | 0 | 0 | 0 |
| 31 | Wonderful Italy | Italy | Autumn | 0 | 0 | 0 | 0 |
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