Re: Ruby Siam : Yellow Sigatoka
While I'm no plant cytologist or expert in banana pathogens, my guess is that this is not sigatoka. To begin with, the leaf shape is odd. It is a little lanceolate and the plants look leggy. At 5" tall its hard to tell. I suspect there is some sunburn going on also, as it has been in the Oklahoma sun a full week. Transplants often take some time for the roots to "get going", and most often certainly more than a week and often times up to a month. This would be indicative of the dehydrated look of the leaves(ribs are showing).
Also, if you suspect contamination during shipment...I'd be shocked if YS, innoculated your plant that fast.
Have them checked to be on the safe side, but I'd get them back in the ground.
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