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Entry Date
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Location
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Tuesday, July 31, 2007
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Jos
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Belgium Europe
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Entry 81 of 186 |
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This is how my plants begin to look when they get a bit older.I had this also in former years, except for last year.I grow in tunnel greenhouses, and i thought it was caused by too fresh compost or salts in bottom,combined with insuffient venting.Also it 's always in the heart of the plant(oldest leaves)it appears first.Last week i found out it is caused by spidermites.They love dry and hot conditions (greenhouse).They are there all the time and everywhere on the plant, but they're to little to see them.You only know they're there by seeing the effect on the leaves.That's why you start to see it on the oldest leaves. Anyway, i sprayed against them, and will spray again in 8 days for those that will be born by than out of the eggs.But it's not easy on such big plants , as you have to spray under the leaves too. Next years i will be earlier to take care of them.
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