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Is manganese mobile in plants?

Posted by Slimy_Okra 2b (My Page) on
Thu, Jun 19, 14 at 13:42

I've seen information that suggests both. Some say that manganese deficiency manifests first in young leaves, like iron deficiency, while others say that it appears first in older leaves, like Mg deficiency. Yet others say that Mn is "slightly mobile" and manifests as chlorosis in intermediate leaves. Which is correct?

BTW, I'm referring to alkaline-soil-induced deficiencies.

This post was edited by Slimy_Okra on Thu, Jun 19, 14 at 14:06

Follow-Up Postings:

RE: Is manganese mobile in plants?

Manganese, an essential micronutrient, has to be mobile in plants to get to all parts of that plant. Because the signs and symptoms of some nutrient deficiencies look quite similar the only sure way to know which it may be is by having a good, reliable soil test done.
A too high soil pH, a too wet soil, a too dry, soil, a soil with too much organic matter can all be contributing to nutrient deficiencies. Chlorosis, yellowing of plant leaves, can be difficult to diagnose and treat.

RE: Is manganese mobile in plants?

Manganese is classified as an immobile plant nutrient.

Like the other immobile plant nutrients, Ca, S, B, Fe, Zn, Cu, Mn cannot be translocated from one leaf to another.

Here is a link that might be useful: plant nutrients

This post was edited by Sclerid on Mon, Jun 23, 14 at 10:56

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