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Green Harvest Organic Gardening Supplies is permanently closed as of 5pm on 1-11-2023.
We will not be taking orders by this website, in person, by phone or email. Our display garden and retail shop are closed forever.
Read more...
Phone:07 54357000
Phone calls will only be responded to sporadically and only in reference to orders placed prior to 2-11-2023. All the useful growing and organic pest management research and resources are available on this website for a while still.
Black Spot Control © Frances Michaels
Black spot is a fungal disease which can be a major problem all year round in warmer areas. The fungal spores
need to be immersed in water for a number of hours in order to germinate so doing everything possible to
reduce moisture on the leaves and improve air circulation is important.
Suggested Organic Strategies
More information on organic fungal control...
Suggested Products:
Eco-Fungicide
Black spot is a fungal disease which can be a major problem all year round in warmer areas. The fungal spores
need to be immersed in water for a number of hours in order to germinate so doing everything possible to
reduce moisture on the leaves and improve air circulation is important.Suggested Organic Strategies
- Remove any black spot damaged leaves as they appear and pick up any on the ground, a pair of long tongs is good for this, as black spot can over-winter in the fallen leaves.
- Mulching acts as a barrier and helps restrict the spread of fungal spores from the soil onto the plant.
- Eco-Fungicide is an organically certified fungicide to control this disease.
- Lime Sulphur can be used as a preventative fungicide on leafless roses in winter. A deficiency of potassium makes roses more vulnerable to this disease so add 150 g per plant of sulphate of potash in spring, summer and autumn.
More information on organic fungal control...
Suggested Products:
Eco-Fungicide
Home
Green Harvest Organic Gardening Supplies is permanently closed as of 5pm on 1-11-2023.
We will not be taking orders by this website, in person, by phone or email. Our display garden and retail shop are closed forever.
Read more...
Phone:07 54357000
Phone calls will only be responded to sporadically and only in reference to orders placed prior to 2-11-2023. All the useful growing and organic pest management research and resources are available on this website for a while still.
No liability will be accepted by Green Harvest, its owners or employees as to the accuracy of any information. No responsibility will be taken for damage to property or persons due to information given about a product or technique. No responsibility will be taken for the loss of a crop or income due to information given about a product or technique.
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