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J Smith Foraging Bee
Joined: 13 Jan 2014 Posts: 169 Location: New Zealand, South Island, Southland, Riversdale.
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Posted: Thu Feb 27, 2014 11:03 am Post subject: Organic spray for Black Spot on Roses. |
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Seeing as how our Rose flowering for the year is coming to an end and the majority of forum members will be heading into Spring soon, this is a handy organic spray for roses that suffer from black spot- often prevalent during damp Spring conditions.
Organic spray for blackspot on Roses
In a 10litre bucket of water add 5 tablespoons of baking soda and a couple of splashes of compost tea or worm farm liquid and a dash of washing up liquid. Mix thoroughly and spray weekly. |
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CeeBee Foraging Bee
Joined: 16 Jun 2013 Posts: 107 Location: UK, Cambridge, Milton
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Posted: Thu Feb 27, 2014 3:56 pm Post subject: |
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...and is there any evidence that it works? And that adding Sodium bicarbonate to the environment isn't doing any harm? |
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J Smith Foraging Bee
Joined: 13 Jan 2014 Posts: 169 Location: New Zealand, South Island, Southland, Riversdale.
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Posted: Thu Feb 27, 2014 6:29 pm Post subject: |
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Works on our roses.
I would prefer to add Sodium Bicarbonate to the environment sooner than some of the store bought black spot sprays that have added insecticides to rid the roses of aphid at the same application.  |
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Quality Top Bar Hives by Andrew Vidler
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Conserving wild bees
Research suggests that bumble bee boxes have a very low success rate in actually attracting bees into them. We find that if you create an environment where first of all you can attract mice inside, such as a pile of stones, a drystone wall, paving slabs with intentionally made cavities underneath, this will increase the success rate.
Most bumble bee species need a dry space about the size a football, with a narrow entrance tunnel approximately 2cm in diameter and 20 cm long. Most species nest underground along the base of a linear feature such as a hedge or wall. Sites need to be sheltered and out of direct sunlight.
There is a spectacular display of wild bee hotels here
More about bumblebees and solitary bees here
Information about the Tree Bumblebee (Bombus hypnorum)
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Barefoot Beekeeper Podcast
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4th Edition paperback now available from Lulu.com
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View topic - Organic spray for Black Spot on Roses. - Natural Beekeeping Network Forum
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