Garden Problems

Powdery Mildew, Boytritis


Peggy Puchrik added on February 24, 2017 | Answered

How often do you apply Bordeaux mix in the winter? Had a bad case of everything last year.


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ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert
Answered on February 25, 2017

Apply sulphur or copper based fungicides at the first signs of disease.
Spray all parts of the plants throughly and repeat every 7 to 10 days-up until harvest.
Work on prevention by planting disease resistant varieties. Open and prune plants to help with air circulation. Remove and dispose of diseased foliage.
Use tools that have been cleaned with alcohol. Water in the am hours so leaves can dry and use soaker hoses.
Use slow release organic fertilizers to avoid excess nitrogen.
Destroy all remains of plant material after harvest, never compost diseased plant material.

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Downtoearthdigs
Certified GKH Gardening Expert
Answered on February 25, 2017
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Peggy Puchrik
Answered on February 25, 2017

Zone 9 and all of landscape involved; garden, citrus grove, birds of paradise, rose,sagos and cactus and succulents, not day lilies. I did get items for my own recipe. nothing says how often for heavy infestation.

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