The Korean fir is a naturally robust plant that counters diseases with a healthy immune system. But in a house garden, people intervene in their lives, possibly weakening them unintentionally. It is then easier for diseases to strike.

If the Korean fir loses needles, it does not necessarily have to be due to a disease

Good living conditions for a strong fir

You don't have this fir in your garden or in a bucket yet, but are thinking of planting it? Then you should know beforehand that it also depends on you how healthy the life of the Korean fir will be.

It is important to strengthen their own resilience and not to offer pathogens a favorable habitat. This is only possible if the fir gets an ideal location and appropriate care. Do some research and see if you can offer that to her.

Gray mold on the Korean fir

Gray mold is a fungal disease that we most commonly encounter on the Korean fir. Dying young shoots are a clear sign of disease. In most cases, unfavorable living conditions have favored the disease. For example:

  • too dense planting
  • resulting in insufficient ventilation
  • a heavy, compacted soil

Cut off all affected parts generously and dispose of them as residual waste. You can then use a commercially available preparation to defeat the disease without leaving any residue.

Deficiency symptoms cause needle loss

If the Korean fir gets brown needles or loses them, it does not have to be caused by a disease caused by pathogens. With increasing age and size, every fir tree sheds from the inside because parts of the needles are permanently shaded. If needles are also falling, consider the following causes:

  • Nutrient deficiencies, especially magnesium
  • prolonged lack of light
  • Frost damage or drought
  • sunburn

tips

Carry out a soil analysis to determine any nutrient deficiencies with certainty. Only then should you fertilize the fir cautiously with Epsom salt. Fertilizing without need would only increase the problem with the needles.

Pests are common culprits

Pests can also cause symptoms such as yellow needles, which from a distance we may prematurely mistake for a disease. Take a closer look at the tree and you will surely spot evildoers present. The healthy growth of a Korean fir is primarily affected by mealybugs and bark lice.

Category:

Trees