Effect of various fungicides and combinations on leaf and tree appearance on southern magnolia.
| Chemical & rate per acre | Symptoms | |
|---|---|---|
| Tree appearance ratingz | Leaf ratingy | |
| Orbit3.6EC8 oz + Red Panther surf. 2.0 pt | 1.0ax | 6.8 b |
| Benlate 50W 1.0lb + Red Panther surf. 2.0 pt | 1.1 a | 7.0 a |
| Benlate 50W .5 lb + Red Panther surf. 2.0 pt | 1.1 a | 7.0 a |
| Orbit 3.6EC 8 oz + Kocide 101 77W10lb + Red Panther surf. 2.0 pt | 1.6 ab | 6.7 abc |
| Nova40W 12 oz + Red Panther surf. 2.0 pt | 1.6 a | 6.8 ab |
| Orbit 3.6EC 4 oz + Red Panther surf. 2.0 pt | 1.6 abc | 6.8 ab |
| Kocide 101 77W 10 lb + | 1.6 abc | 6.9 ab |
| Benlate 50W 1.0 lb + Kocide 101 77W10lb + Red Panther surf. 2.0 pt | 1.8 bcd | 6.7 ab |
| Daconil 2787 4.17 F 3 pt + Kocide101 77W10ib + Red Panther surf. 2.0 pt | 1.9 bcd | 6.4 abcd |
| Daconil 2787 4.17 F 3 pt + Red Panther surf. 2.0 pt | 1.9 bcd | 6.9 ab |
| Benlate 50W .5 lb + Red Panther surf. 2.0 pt | 2.2 bcde | 6.2 bcd |
| Nova 40W 6 oz + Red Panther surf. 2.0 pt | 2.3 cde | 6.6 abc |
| Daconil 2787 4.17 F 6 pt+ Red Panther surf. 2.0 pt | 2.4 de | 6.5 abc |
| Red Panther surf. 2.0 pt | 2.6 ef | 6.3 abcd |
| Nova 40W 6 oz + Kocide 101 77W10lb + Red Panther surf. 2.0 pt | 2.8 ef | 6.3 abcd |
| Control | 3.0 fg | 6.4 abcd |
| Nova 40W 12 oz + Kocide 101 77W10lb + Red Panther surf. 2.0 pt | 3.1 fg | 6.0 cd |
| Daconil 2787 4.17 F6pt + Kocide101 77W10lb + Red Panther surf. 2.0 pt | 3.3 g | 5.8 d |
| Orbit 3.6EC 4 oz + Kocide 101 77W10lb + Red Panther surf. 2.0 pt | 3.4 g | 5.8 d |
↵z 0 to 5 rating, where 0 = no visible symptoms on new growth, 1 = very light visible symptoms, 2 = light, 3 = moderate, 4 = heavy symptom occurrence, majority of new leaves with visible symptoms.
↵y 1 to 8 rating, where 1 = 0% leaf surface affected, 2 = trace–6%, 6 = 6%–25%, 4 = 25%–50%, 5 = 50%–75%, 6 = 75%–94%, 7 = 94%–99%, 8 = 100%. Symptoms rated are described in text.
↵x Mean separation in columns by Duncan’s Multiple Range Test, 5% level.