Quick trip into Winnipeg this pm wondering what the new yellow dwarf variety of soybeans is. Hundreds of acres along #3 highway.
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Soybeans revisited
I guess I should have added (tic) to this post, but it's not a joke. It looks like the yellow dwarf beans are a result of damage, likely post emerge due to cool temps after spraying. I don't know this for a fact, but seems like the cool temps might have not allowed the plants to adequately metabolize the active. I don't have beans this year don't know what is used if something new.
Any thoughts, or anyone with eexperience?
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While stress from cold and rain is a factor, they need iron to produce chlorophyll. It is quite evident by the veins in the leaves being green.
If it was just cold, and too much moisture the leaves would be all yellow.
Really a factor of cool, all of a sudden too wet, salt, and calcareous soils which defines much of Manitoba, derived from limestone.
The beans I pictured were in Saskatchewan, similar conditions, but are starting to come around.
Another stress on many fields was we recently sprayed them, and they are trying to metabolize the herbicide with the other stresses. Acidifying the root zone to get iron becomes a challenge, and many if not most fields are yellow.
The green veins identify IDC, and not other stresses.
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