Blossom end rot is quite a common problem if you grow your own tomatoes. It's caused exclusively by the lack of biologically-available calcium. With a slight lack of calcium in tomatoes, especially in unstable varieties, fruits with gray or brown tops appear the so-called top rot. A dark spot often spreads to half a tomato. The leaves change visibly and quite rapidly, become wrinkled, and their edges slowly die. Burns may appear on both sides of large old leaves. The chlorides occur between the veins, and the whole plant seems to be covered with rust, and later its organs begin to fall off.
Blossom end rot
Signs of damage
- Slow ripening of the fruits;
- One of the most common indicators of the disease is the softening of the bottom side of the fruit, which turns black with time;
- Some of the main visual signs that you may notice on leaves are their excessively large size and dark green color;
- Burns and rust on leaves.
How to prevent
Although the disease does not necessarily lead to the disease of the crop, it is always best to take all the possible precautions to avoid the possible dangers, such as common problem as blossom end rot. Make sure that your plants always get enough water. Also, remember never to overfertilize them and be attentive to the roots at all times. These steps are simple, yet they may be crucial in your care.
Heal
As to the best possible treatment methods, foliar feeding with calcium nitrate is highly recommended, as it has proven its effectiveness. Fungicides are not effective on this pathogen, so probably the only method to combat the blossom end rot is urgent pruning, which involves the destruction of every infected part of the boxwood. You will have to collect and burn those organs of the plant that have already fallen and remove the topsoil of the near-stem circle to a depth that will be enough and put in a new one.
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