Dried spots at the base of the middle leaf and a strange spot on a phalaenopsis
Hi.
I am new to this forum. I have a question for knowledgeable people. I bought several phalaenopsis about 2 months ago. And there are problems with two of them.
1. This phalaenopsis (Phalaenopsis Liu's Cute Angel) is young, apparently an import from Taiwan. It was received in a disposable plastic pot in moss. Replanted in bark mixture after purchase. It has started to grow, new roots and a new leaf are growing (about a month).
However, a few days ago I noticed that one leaf (in the middle, not the bottom one and not the top one) began to turn yellow at the base (just at the base). When I examined it in more detail, I discovered that the leaf near the stem had areas that looked like sunburn (a completely dried out dead yellow spot with black edges). There are two or three separate spots, and it seems to me that they gradually increase around the circumference of the stem (see images attached). I guess, this leaf will be lost. Otherwise the plant looks normal.
This plant actually stood for some time in such a place that the sun shone on it in the morning for one - a couple of hours. However, it seems strange to me that if this is a burn, then why it is at the base of the leave, and only on one leaf in the middle - the leaves above it and below it look normal.
Should I worry about this? Could this be some kind of dangerous disease, like some kind of fungus or something like that?
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