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Colorado Springs.Co

I have two AG's in the patch ahead of my keeper doing an impromptu soil test. I should have posted this in the newbie board as the answer should be obvious. Is it a nitrogen issue?

6/17/2009 1:29:21 AM

Ohio

I have had a issue with one plant that has been throwing out some spuratic yellow leaves, at first I thought it could have been a Nitrogen issue but after looking at the leaves more closely I found that it was spider mites causing this.
The mites are under the leaves, they eat the bottom layer of tissue off the bottom part of the leaf which then later causes them to turn yellow.
How I found out I had them is I spotted a few webs under the effected leaves that I must of missed when doing my pesticide spraying.

Tremor told me on the phone the other day that merit doesnt work so well on mites, he said to use a talstar like pesticide and that seemed to take care of em.

I dont know if this could be your problem shaker but this is what I found in my case this year with yellow leaves.

6/17/2009 4:54:38 AM

[email protected]

Right Brooks, actually Merit doesn't control mites at all but this might not be the problem.

Shaker, to check for mites use a 10x magnifier in bright sunlight or just shake a leaf over a sheet of white paper. If mites are present you should be able to see them if you stare at the tiny specks long enough. Tiny specks are much easier to see when they move.

Plants that are ailing might simply be chlorophyll deficient. Warm sunny weather can correct a multitude of sins.

6/17/2009 7:29:04 PM

Colorado Springs.Co

Thanks

6/18/2009 1:09:18 AM