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onion and strawberry leaves off colour


 
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michelle M
Rank attained: Rowan Tree
Rank attained: Rowan Tree


Joined: 10 Feb 2009
Posts: 145
Location: Limerick

PostPosted: Sat May 30, 2009 5:48 pm    Post subject: onion and strawberry leaves off colour Reply with quote

A few of my onion leaves are going yellow. I presume It's because they are lacking in something. They are in a new raised bed that wasn't manured, because I was late getting it organised.
"Lack of potash results in yellowing of leaf margins continuing into the whole leaf which then browns as if scorched;" - I read this from a previous post by Liparis, wondering if it could be this.

My strawberries have a few leaves that are going brown around the edges.
I have hopefully included pictures of both



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onion leaves
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onion leaves
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 Description:
Strawberries
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michael brenock
Rank attained: Chlorophyll for blood


Joined: 12 Aug 2008
Posts: 1275
Location: cork

PostPosted: Sat May 30, 2009 10:05 pm    Post subject: Reply with quote

not potash deficiency but more than likely a temporary shortage of water. If the soil had been supplied with sufficient potash at the beginning then there should be enough to keep the crop going for the season. if drainage is ok then keep watering regularly.
The onion symptoms are more like downy mildew or cladosporium rather than a nutritional disorder and i think they will grow out of it.
michael brenock horticultural advisor (retired)
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michelle M
Rank attained: Rowan Tree
Rank attained: Rowan Tree


Joined: 10 Feb 2009
Posts: 145
Location: Limerick

PostPosted: Mon Jun 01, 2009 1:42 pm    Post subject: Reply with quote

Thanks Michael,

At least the water I can solve. Everyone will be busy watering these days.
I'll leave the onions so and wait for them to sort themselves. Thanks again
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