All gardeners periodically face the problem of sudden yellowness of cabbage seedlings. Thus, plants signal that some care processes are carried out incorrectly, or about the onset of the disease. In order to prevent the situation from worsening, it is necessary to calmly understand the causes, identify the problem and try to quickly deal with it. In the article I will tell you about the most common causes of yellowness.
Cabbage seedlings for good growth must comply with the following conditions:
- abundant moisture;
- sufficient natural light;
- protection against parasites and pathogens;
- correct crop rotation and harmonious predecessors;
- observance of ripening terms for each variety;
- correct timing of planting seedlings in open ground;
- well-chosen containers for young shoots;
- stabilized top dressing with organic matter and minerals;
- the hardening process carried out on time.
All of the above conditions, if properly performed, can guarantee good growth, proper development and a bountiful harvest.
But what to do if the seedlings suddenly turned yellow and began to wither. Let's take a look at the issue properly.
There can be several reasons for the sudden deterioration in the condition of cabbage.
First of all, one should consider the option of inappropriate conditions created for the plant. The seedlings themselves should be grown at the initial stage in a warm indoor space - in a greenhouse or on a windowsill in a house. Young leaves begin to turn yellow due to:
- lack of natural light;
- unsuitable soil composition;
- imbalance of nutrients, mineral and organic substances in the soil;
- incorrect room temperature.
If you pay attention to the bad conditions created by the gardener himself, then the wrong actions regarding cabbage should include:
- irregular watering, creating a shortage or surplus of water in the ground;
- lack of oxygen in the soil due to the lack of loosening of the upper layer;
- illiterate and untimely top dressing.
If the problem of improper care is identified, then it will not be difficult to solve the situation in your favor - it is enough to change the order of your actions, and in a short time the seedlings will be restored.
I note that it is very important at first to keep a landing diary in order to get used to carrying out timely procedures. This will make it much easier to spot your mistakes.
Common diseases and pests that lead to leaf yellowing and wilting include the following pathogens:
- vascular bacteriosis (black rot);
- quila;
- fusarium;
- black leg;
- cabbage fly;
- May Khrushchev;
- winter owl.
Diseases are mainly provoked by the following factors:
- unstable soil moisture, sometimes wet, sometimes dry;
- cold watering;
- stagnation of water;
- carried by parasites or diseased plants;
- soil oxidation;
- lack of oxygen;
- lack of sunlight and heat.
Young shoots can only be saved by a quick reaction and high-quality treatment with special preparations.
The complexity of fungal and parasitic lesions of cabbage is that getting rid of the disease is quite difficult and it is better to take appropriate preventive measures.
In conclusion, if you notice a slight yellowness of the leaves after serious events for seedlings (transplantation, drought, hot weather or heavy rain), then perhaps the situation is not worth worrying about. Cabbage can react to stress with a light and quickly passing yellowness. Within a short time, with proper care, the sprouts return to normal and stabilize.
Read also: Let's see if it is worth leaving a polycarbonate greenhouse open in winter or not.
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