Grape Diseases
The following information is adapted from the 2006 edition of the The Best
Practices Guide for Grapes for British Columbia Growers, published by the BC
Ministry of Agriculture and Lands and the British Columbia Wine
Institute. For more information on ordering a copy of the guide, please
follow this link:
Best
Practices Guide for Grapes for BC Growers.
A Note on Pesticide Use:
Before using a pesticide for disease control, carefully read the label and note the pre-harvest interval.
It is also important to consider
the following points:
- Is the chosen fungicide acceptable to your buyers?
- Is the chosen fungicide registered for the intended use?
- Are you using the fungicide as part of an integrated pest management strategy?
- Have all relevant cultural disease management practices for the disease in question
been considered?
- Are you using resistance management strategies, such as alternating
fungicides having different modes of action to avoid fungicide resistance?
There are good practical reasons not to exceed or use a lower rate than the
rate on the label. High rates can damage plant tissues or leave unsafe residues
on the plant. Low rates are often not effective and can promote the development
of fungicide resistance.
Be cautious and accurate when using pesticides. Use proper equipment,
maintained in good condition and calibrated accurately. For more information on
pesticides and pesticide safety, please refer to the
Pesticide Wise section of this website.
*The Adobe Acrobat Reader is needed to view PDF files. This program may be downloaded free of charge from the Adobe web site
(www.adobe.com)
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