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Home Orchards: Table 4.5. Efficacy of Fungicides on Apples and Pears
Informational table showing the efficacy of fungicides on apples and pears.
Updated:
March 9, 2023
Diseases
- FF = fruit finish
- FR = fruit rots (black rot, white rot, bitter rot)
- PM = powdery mildew
- R = rusts
- S = apple scab
- SB + FS = sooty blotch and flyspeck
| Pesticides | S | PM | R | FR | SB+FS | FF |
|---|---|---|---|---|---|---|
| Captan | 1 | 5 | 5 | 1 | 2 | 1* |
| Copper | 2 | 1 | 3 | 2 | 2 | 4 |
| Lime Sulfur | 1 | 2 | 3 | 1 | 1 | 1 |
| Maneb | 1 | 5 | 1 | 1 | 1 | 1 |
| Neem | 4 | 4 | 4 | 4 | 4 | ? |
| Myclobutanil | 1 | 1 | 1 | 5 | 5 | 1 |
| Sulfur | 2 | 1 | 2 | 3 | 3 | 2 |
Degree of control: 1 = best; 2 = good; 3 = fair; 4 = poor
FF = Fruit finish on yellow varieties used as recommended: 1 = very good; 2 = good; 3 = fair; 4 = poor
*Lime sulfur may also cause leaf burning
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