Table 1 Resistance levels to aphids of 20 rose cultivars
Rose Cultivars | The Number of Aphids | Number Ratio of Aphids | Resistance Level | ||||
|---|---|---|---|---|---|---|---|
Apr. 9th | May. 6th | May. 15th | May. 22th | May. 29th | |||
Dortmund | 102.00 | 116.67 | 45.67 | 20.87 | 5.27 | 1.552 | HS |
Ramukan | 27.47 | 46.60 | 53.67 | 22.73 | 1.07 | 0.810 | S |
Carefree Wonder | 32.20 | 47.40 | 290.33 | 265.13 | 52.00 | 3.672 | HS |
Garden Fun | 48.93 | 56.40 | 53.33 | 22.67 | 1.13 | 0.975 | S |
Jayne Austin | 45.33 | 85.80 | 68.33 | 13.53 | 1.33 | 1.146 | MS |
Agnes Schilliger | 45.47 | 83.20 | 72.60 | 18.53 | 0.87 | 1.179 | MS |
My Choice | 11.27 | 17.87 | 22.60 | 10.47 | 0.47 | 0.335 | MR |
Caramella | 4.93 | 14.13 | 25.47 | 12.53 | 4.47 | 0.329 | MR |
Shizuku | 17.50 | 27.07 | 7.53 | 3.87 | 1.60 | 0.301 | MR |
tengbenyueji | 276.67 | 266.40 | 46.80 | 20.80 | 10.00 | 3.317 | HS |
Gräfin von Hardenberg | 91.93 | 89.60 | 57.93 | 28.47 | 0.73 | 1.436 | HS |
Souvenir de Louis | 15.07 | 27.33 | 30.27 | 3.13 | 0.20 | 0.406 | MS |
Mary Ann | 51.67 | 75.87 | 27.93 | 21.93 | 1.93 | 0.958 | S |
Louise Odier | 4.07 | 3.60 | 7.20 | 5.93 | 0.33 | 0.113 | HR |
bel canto | 1.60 | 5.40 | 2.53 | 5.93 | 0.47 | 0.085 | HR |
Harmonie | 2.07 | 5.13 | 2.27 | 0.73 | 0.20 | 0.056 | HR |
Parkdirektor Riggers | 20.13 | 61.53 | 8.87 | 9.60 | 0.07 | 0.536 | R |
Fancy Ruffle | 3.07 | 12.27 | 17.80 | 6.80 | 0.00 | 0.213 | HR |
Highgrove | 10.07 | 20.93 | 25.40 | 22.13 | 1.53 | 0.428 | MR |
Mozart | 10.40 | 132.80 | 145.00 | 107.07 | 2.53 | 2.126 | HS |