How to Use Carbendazim? A Guide to the Correct Method
Text
Text and images: Nanjing Succulent Garden
Carbendazim(Carbendazim), also known as cotton wilt fungicide and benzimidazole No. 44. It can be used to sterilise, prevent and control rot and leaf spot, and treat plant wounds to stop plants from rotting. We use carbendazim in the sowing, transplanting and cutting stages of succulents.
How
to
Use
It
Method 1: Mixing into soil
When sowing or transplanting and repotting, we often need to mix soil. We can sprinkle some carbendazim powder directly into the soil, then stir it evenly to disinfect the soil.
Method 2: Wound treatment
When succulents are propagated by cuttings, or when grafted cactus pads are being rooted, wounds appear on the plants. We can apply carbendazim powder directly to the wound, then leave the plant in a cool, ventilated place until the wound heals. Depending on the size of the wound, healing times vary from short to long.
Method 3: Disinfecting the plant
For succulents bought online (including some bulb plants such as hyacinths and tulips), after they arrive it is advisable to soak the whole plant in a carbendazim solution for one or two minutes, then leave it in a ventilated place to dry in the shade for one or two days. The principle is the same: treating wounds to provide protection. Before potting, it is advisable to wash the plant clean with water, so that the water stains from the carbendazim do not spoil its appearance.
Precautions
Points to
Note
Item
Choosing
Carbendazim
Common carbendazim products include 25% and 50% wettable powders and 40% suspension concentrates. Most carbendazim on the market today is in the form of wettable powder and colloidal suspension. Whichever type you choose, never use compound carbendazim, because compound carbendazim inhibits mycelial growth. Also pay attention to the product's shelf life. It is best to use product within one year of the manufacturing date. If it is more than one year old, the dosage should be increased appropriately, and product that has completely lost its effectiveness must not be used.
How to
Mix It In
When mixing carbendazim into the growing substrate, first dissolve the chemical in enough water, then gradually mix it into the substrate and stir evenly, to avoid spot or patchy contamination. Control the amount of carbendazim used. Blindly increasing the dosage not only raises costs but also affects mycelial growth. At the same time, carbendazim accumulates in large amounts in the fruiting bodies, causing food contamination.
Usage
Restrictions
Some edible fungi, such as wood ear, nameko and lion's mane, are extremely sensitive to carbendazim and should not be treated with it. In
addition, it should be noted that when using carbendazim you must control the dosage to prevent excessive residues.
Using the foliar spray method
Although foliar spraying can indeed bring carbendazim's effects into play, after spraying, white water stains from the carbendazim solution remain on the leaves. They look very unsightly and spoil the plant's appearance, especially for succulents with beautiful leaf colours.
Unless the leaves of the plant really already show serious problems, try not to spray the leaves. Simply watering the roots can also provide preventive effects. In addition, carbendazim easily causes other microbes to develop resistance, so other fungicides can be used alternately.
Usage
Dosage
Generally, for root drenching, 8 g of carbendazim mixed with 200 ml of water is enough. If mixing into soil, add a little depending on the amount of soil; not too much is needed. On the one hand, new soil contains fewer bacteria; on the other hand, after planting, the plant will grow new roots that have relatively poor resistance.
Although carbendazim is harmless to humans and helps succulents prevent pests and diseases, it should not be used too frequently for sterilisation. If a plant is growing very well, one preventive treatment a month or even less often is enough. If you are worried that your soil has a problem, just do an appropriate root drench.
Using carbendazim correctly can prevent succulent pests and diseases to a great extent and also ensure that your succulents grow strong and healthy.
Be sure to use carbendazim sensibly according to your own succulents' actual conditions!
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