Blackspot

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chutneymaster

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Blackspot
« on: August 09, 2007, 16:30 »
I have recently heard on a local radio station that if you plant garlic in amoungst roses it reduces the likelyhood of blackspot. Any truth in this???
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Aunty

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Blackspot
« Reply #1 on: August 09, 2007, 19:02 »
Black spot is a fungal disease spread by water-splash or wind-blown rain so I doubt that the garlic would be effective.  I think the perfumes would clash rather too  :shock:
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richyrich7

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Blackspot
« Reply #2 on: August 09, 2007, 19:14 »
Plant chives that works, tried and tested by me  :)
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Ann

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Blackspot
« Reply #3 on: August 09, 2007, 19:48 »
Quote from: "richyrich7"
Plant chives that works, tried and tested by me  :)


I had best move my chives then as the black spot is bad this year

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Aunty

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Blackspot
« Reply #4 on: August 09, 2007, 19:55 »
How can that work Richy when it's a fungal disease spread by water/dampness  :?:  :?

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richyrich7

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Blackspot
« Reply #5 on: August 09, 2007, 20:21 »
I dunno Aunt Sally  :?  I read it some where thought I'd try it and it does work,a companion planting guru might know. perhaps it's something the allium family give off that protects them and other plants nearby from it?

Runner beans are supposed to not be as vigorous when planted next to onions.

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Aunty

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Blackspot
« Reply #6 on: August 09, 2007, 20:25 »
I wish I could find a companion plant for rust on my broad beans  :cry:

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richyrich7

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Blackspot
« Reply #7 on: August 09, 2007, 21:50 »
Quote from: "Aunt Sally"
I wish I could find a companion plant for rust on my broad beans  :cry:


Paint em with green hamerite that covers rust  :wink:  :lol:

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Aunty

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Blackspot
« Reply #8 on: August 10, 2007, 15:24 »
THANK YOU Richy  :lol:  :lol:  :lol:  :roll:

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chrissie B

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Blackspot
« Reply #9 on: September 22, 2007, 16:18 »
i was told that planting garlic at the base of roses helps to keep the green fly off , cos when they suck the plant they dont like the taste , i tryed it and had a record ammount of green fly that year ,now i just go out early and squish em.
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muntjac

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Blackspot
« Reply #10 on: September 22, 2007, 19:49 »
to get rid of blackspot there are two fings ya need to do ,first the pest starts in late spring when the spores are in the ground from over wintering get washed onto the plants by rain etc then when it gets hot they spread through the plant and the infected leaves fall off and they then reinfect the plant again . so clean up all rubbish below the plants n then dont intentionally splash the plants with ya watering get down low on em, and then when the plants pack up for the winter make sure ya clean up all the rubbish,if ya see dead or dyin leaves on the plants pick em off and burn em .put  a mulch around the plants of paper ,carboard discs is good this will soak water in but not let dodo get washed up

then ya can treat em with a systematic fungicide such as rose clear this will do the job follow the destructions on the carton ... hit it before it gets a real hold
for aphids you use washing up liquid as they cant breathe through it ......this werks on all aphids including black fly on beans
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gobs

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Blackspot
« Reply #11 on: September 22, 2007, 21:13 »
there are no roses without thorns or black spot - very rarely, quite unlikely - I do not know about the chives and the success of them, but the basis for this idea possibly comes from the fact that garlic and most alliums contain some fungicide, if that works for black spot, I remain unconvinced.
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