Effectiveness of Fungicides for Control of Blueberry Diseases
February 18th, 2007 under Blueberry, Berry Crops, Pest Management, About Infonet.
| Effectiveness of Fungicides for Control of Blueberry Diseases* | |||||||
|---|---|---|---|---|---|---|---|
| Fungicide | Mummy berry | Botrytis Gray Mold | Anthracnose Fruit Rot | Alternaria Fruit Rot | Pseudomonas Bacterialcanker | Phytophthora Root Rot | |
| Primary | Secondary | ||||||
| Aliette | Not effective | Not effective | Not effective | ??? | ??? | Not effective | Good |
| Benlate | Not effective | Moderate | Moderate** | ??? | ??? | Not effective | Not effective |
| Bravo | Moderate | Poor | Moderate | Moderate to poor | Not effective | Not effective | Not effective |
| Captan | Moderate | Moderate | Moderate | Moderate | Moderate | Not effective | Not effective |
| Captan + Benlate | Moderate | Good | Good | Moderate | Moderate | Not effective | Not effective |
| Copper-based products | ??? | ??? | Moderate to poor | ??? | ??? | Good** | Not effective |
| Funginex | Excellent | Good | Poor | ??? | Not effective | Not effective | Not effective |
| Ridomil | Not effective | Not effective | Not effective | Not effective | Not effective | Not effective | Excellent** |
| Rovral | Moderate to poor | Moderate to poor | Excellent** | ??? | ??? | Not effective | Not effective |
| Ziram | Poor | Poor | Moderate to poor | Moderate | Moderate | Not effective | Not effective |
| *These ratings are relative rankings based on full application rates, good spray coverage, and proper spray timing. Actual levels of disease control will be influenced by these factors in addition to cultivar susceptibility, disease pressure, and weather conditions. **Resistant pathogens will lower the effectiveness of this fungicide. |
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NOTE:
The information herein is supplied with the understanding that no discrimination is intended and that listing of commercial products, necessary to these guidelines, implies no endorsement by the Extension Services of Oregon, Washington, and Idaho, or the USDA. Criticism of products or equipment not listed is neither implied nor intended.
Due to constantly changing labels, laws and regulations, the Extension Services and the USDA can assume no liability for the suggested use of chemicals contained herein. Pesticides must be applied according to the label directions on the pesticide container.