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What does "leaf-center spike" mean in Phalaenopsis orchids, and how should it be handled?
Fellow Phalaenopsis growers, have you ever suddenly noticed one day that the center of your plant seems to have been "locked" by something? The new leaf curls into a sharp little cone, stiffly stuck in the middle, and no matter what, it just won't unfurl? -- Congratulations, you may have encountered the legendary "leaf-center spike"! Don't let the name scare you; it's actually not that
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How do you clean silt from the leaf center of a Phalaenopsis orchid most thoroughly?
When growing Phalaenopsis orchids, have you ever noticed that silt and dust have accumulated in the leaf center at some point, looking dirty and really annoying? If you do not clean it out in time, it can easily cause crown rot and affect the health of the Phalaenopsis. Why does silt get into the leaf center? When watering and fertilizing, it accidentally splashes into the leaf center; when you open the window for ventilation,
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Causes and Treatments for Blackened Leaf Centers in Clivia
To treat a Clivia with a blackened leaf center, you first need to cut away all the blackened parts, then disinfect them. Its blackened leaf center may be caused by overwatering, so watering should be reduced afterward. It also needs to be kept in a semi-shady, well-ventilated environment, and during this period
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Reasons for Blackening of Clivia Leaf Centers and Treatment Methods
How to Treat Clivia with Blackened Leaf Centers
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Cucumber leaf spots with target-like centers tend to turn yellow and wither: control methods for target spot disease in greenhouses
Spots have target-like centers and leaves tend to turn yellow: control methods for cucumber target spot disease in greenhouses
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