The cause of death of cabbage seedlings and even more Mature plants can be very different: it is bad care, pests and diseases.
Cabbage killed by pests
The most dangerous enemies the young seedlings of cabbage are cruciferous flea beetles. These are small jumping insects that just a couple of days can destroy fragile plant. They attack the tender leaves are planted in the garden of seedling and first turn in the sieve edges of cabbage leaves, and then the whole thing. If time does not take action, the sprouts will die.
To deal with the cruciferous flea beetle can be by different methods: chemical and folk. To people's concerns pollination of tobacco dust, ash, a mixture of ash and pepper, and so on. Can water and spray decoctions of tomato leaves, infusion leaves, garlic, dandelion root. It all is effective and safe in terms of healthy products from his garden, but after the first rain and even irrigation fleas attack again. Therefore, it is better to apply chemicals. Is pollination of dust and spraying of any drug from garden pests. For example, means "commander", "Intair", etc.
No less dangerous cabbage aphid. It appears on older plants, cabbage is not killed, but growth and formation of heads is slowed down, leading to lower yields. To deal with aphids on the sprouts can be soapy water, and chemicals.
Closer to the fall often die cabbage from cabbage moths. It is a brown butterfly, leading nocturnal. She lays on the leaves of cabbage eggs, which contain tracks, which are very voracious. If the heads are still small, the caterpillars can completely ruin them. To combat cabbage cutworms need a method of collecting pests and eggs manually from the leaves. But if the caterpillars have entered the heads, then you need to spray the plants with microbiological preparations. This "Dipel", "Lepidocide", etc. the Use of chemicals is undesirable, as the harvest typically is less than a month.
Cabbage killed by disease
"Black leg" - the scourge of seedlings, especially it occurs when crops are dense and waterlogged soil. The cabbage cernet and softens the stem, after which it can not keep the leaves and falls to the side. This is a very contagious disease, it literally decimated the crops of cabbage for a few hours. To deal with the "blackleg". Immediately remove all diseased specimens and destroy them, the seedlings to be put in a cold room, if possible. It is also recommended to throw dark pink solution of potassium permanganate. And not showering for a few days. Usually it stops further spread of the disease. To "black leg" did not appear again, decontaminate your soil for seedlings (proprivate steam or pour boiling water) and take it in the checked place, because the pathogen of this disease is long lived in the soil.
There is a disease of cabbage as kila. In seedlings it manifests itself as a thickening on the roots. If such a seedling is planted in the ground, eventually it will begin to wither. The leaves will turn yellow and then the sprouts will die. To treat her anymore, the fight against Clubroot is prevention. This soil treatment with chloride of lime after harvest, the mandatory rotation on the site and presowing treatment of seeds.
Cabbage killed by poor care
Cabbage likes moisture, but in reasonable quantities. If you pour the seedlings, most likely it will die because the roots simply rot. Also the cabbage you can't overdry, especially a few days after planting in the garden. She's afraid of sunlight, cover the planting with a thin acrylic. This is such a non-woven material, good pervious to light and air, and even moisture. By the way, the acrylic will help, and from cruciferous flea beetles. After the consolidation of the seedling shelter remove.
Advice 2: Why cabbage black leg
Most often this disease is observed on cabbage planted too close to each other. To provoke the disease can also over-watering of seedlings and delay in airing greenhouses. Most often the disease manifests itself in small pockets, over time these lesions grow, and will smite all the seedlings.
Black leg of cabbage: how to deal
To protect cabbage seedlings from this disease, you need to look after it correctly, namely:
- to decontaminate the soil;
- to provide a normal temperature mode;
- to prevent stagnant water and dryness of the soil;
- to provide good food;
- to prevent thickening.
When planting cabbage in the greenhouse must be carefully culled seedlings: not fit all the representatives that have even the slightest signs of disease. As mentioned above, infection of "blackleg" is solely through the soil, so the main measure of disease - disinfection or a complete change of the earth. Since the change of the earth - the process is quite time-consuming, many growers often affected disinfect the soil with formalin solution. This drug has worked well in combating this infection.
For the prevention of disease plants should occasionally be watered and spray solutions with the addition of drugs sulfuric group. The good alternative is colloidal sulfur (10 g per 10 liters of water). If the seedlings have already seen the first foci of the disease, the course is better to take preparations containing metalaxyl, mefenoxam or oxadixyl.
Advice 3: Treatment of cabbage from pests folk remedies
There are many insects that like to feast on the succulent leaves of the cabbage. Moreover, the damage of some pests go unnoticed until until the vegetables are eaten. That is, with the mind of cabbage large and clean, and when you remove the first few sheets, it becomes clear that she is almost eaten to the stalks and not suitable to eat.
Currently there are many types of insect pests of cabbage, one of the most common are slugs, cruciferous flea beetles, cabbage aphids, butterflies butterflies, cabbage moths, and larvae of the cabbage fly and moth. For example, the cabbage moths are very fond of cauliflower, they penetrate into the head of the vegetable, eating it, leave it in their feces. Naturally, any farmer does not want to lose their harvest, so they are looking for effective solutions to problems that will save the cabbage from certain pests.
Than handle the cabbage and cauliflower from pests
Many pests are deterred decoctions of strong-smelling plants, for example, wormwood, tomato leaves, tansy, celandine and others. Make a decoction (concentrated), cool it and sprinkle the vegetables and the ground around the cabbage.
Scare away the butterflies of pierids will help the following method: Narva wormwood, chop it finely and scatter around the cabbage. The method is working and you can be sure it, but only until such time as wormwood is dry (usually 3-5 days). The procedure can be repeated unlimited number of times.
Has proven useful in combating pests of onion peel. It can be used to prepare the broth for spraying, but you can wet the husks to decompose in the aisles of cabbage. The decoction is prepared as follows: take a liter bottle of husk, poured five liters of water, brought to a boil and cooled. The broth can be used for spraying, the husks to decompose in the beds.
To protect cabbages from slugs, scatter slaked lime between the rows of cabbage (you can substitute lime, dolomite flour). For spraying cabbage is a slurry made from water and dry mustard (about 10-12 liters of water - 100 grams of mustard). Pollination soil tobacco dust not only repels slugs, but also of many other pests.
Is quite successful fights with the cruciferous flea beetle and caterpillars vinegar solution. In 10 liters of water, dissolve a glass of 9% vinegar and spray the mixture to the cabbage. Processing spend a Sunny day, and to secure the result, repeat the procedure a week later.
Advice 4: How to freeze cabbage
- Cauliflower, Brussels sprouts or kohlrabi;
- Freezer quick freezing (-18°C);
- Containers or bags to store in the freezer.
Gently separate the head into individual florets (Kocheshkov). Remove the extra coarse stems, leaving only 1.5-2 cm from the inflorescence.
Lay thus prepared cabbage inside the freezer, not piling them to the freezing has passed as quickly as possible.
Store thus Kale can the entire winter.