Bonsai Tree White Mold
If you notice an adult insect on your plant remove it immediately to prevent it from laying eggs on your bonsai.
Bonsai tree white mold. Underneath branches and foliage as well. A white powdery mildew or black sooty mould substance appears on the foliage stems or branches and can cause distorted growth discoloration and loss of vigor or dieback. By the time your tree begins to wilt the problem is usually already quite extensive. As with any bonsai tree pests prevention is the best treatment against the vine weevil.
The rest of the tree seems fine although some of the leafs are turning brown. Hose the tree off after 24 hours. All infected roots from. Now add 1 capful of rubbing alcohol from the alcohol bottle to the spray bottle and shake well.
Rain and pests can further weaken the infected tree. The best way to fight bonsai plant root mold is to remove it completely from the plant. Adult weevils are quite large and very noticeable although it is the larvae that cause the most damage because they feed off the bonsai root systems. Dav4 try a simple google or bing search if you want to see white powdery mold or white powdery mildew either will return you dozens of pages of pictures to edify you on this.
The leaves might be infected with the fungus and they can allow the mold to enter the soil. Most often it grows on foliage but it does drip down onto bark and especially the dead wood chips in your soil usually its harmless and easy to control. Mix in a 1 gallon jug with water. It is impossible to completely eliminate the mildew from infected leaves therefore the affected foliage and shoots must be removed as soon as possible.
You cannot spray any chemicals onto the plant to reverse the mold s effects. White mold on a bonsai tree is mainly caused by over watering. The excess water in the soil will clog the oxygen pockets leading to roots dying and getting broken down by mold. White mold on the soil my bonsai tree appears to be growing white mold on the soil which has slowly made its way to the truck.
Place the bonsai tree in an open well ventilated area to keep fungus from returning. Dispose of any leaves that fall into the tree s pot immediately. Although very dangerous to the tree it can be treated using a variety of techniques involving repotting and fungicides. Spray all surfaces of the tree.