Old tomato varieties resistant to herbaceous and brown rot

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Old tomato varieties resistant to herbaceous and brown rot: varieties

Hobby gardeners are increasingly turning to old varieties of tomatoes that are resistant to cabbage and brown rot due to their genetics. These varieties are robust in attitude and still provide a good yield. Since old tomato varieties are usually not preferred to buy in nurseries, the tomato plants usually have to be grown from seeds themselves.

The following tomato varieties are genetically resistant to cabbage and brown rot

  • imagination
  • De Berao
  • Philo Vita
  • Golden Currant
  • Tigerella
  • Red marble
  • White Wonder
The seeds of the old tomato varieties can be obtained from specialist retailers. Offspring from the seeds of the harvested tomatoes is usually not possible, since most of them are hybrids. If tomato plants were grown from the self-obtained seeds, the tomato plants from the offspring would have different genetic characteristics than the mother plant.

The cultivation

When growing old tomato varieties, the same rules apply as with the use of other tomato seeds. Already in February, the tomato seeds can be sown in temperate rooms. The use of seed pots in combination with potting soil is recommended. Once the small tomato plants are several centimeters in size, they should be pikiert so that they can develop into a vigorous plant. For very valuable and high-priced seeds, individual sowing is also worthwhile. If only one seed is used per seed pot, it is possible to dispense with pecking.

The preparation of the planting bed

Before the cultivated tomato plants are planted in the field, the selected bed should be prepared for the needs of the tomatoes. The best fertilizer for tomatoes is organic compost. This can be incorporated some time before the planned planting in the soil. When selecting the suitable location, pay attention to the crop rotation. No location should be chosen where tomatoes have been cultivated in the past 2 to 3 years. The risk of a botritis disease would be too great.

tomato flower

Tomatoes do not like waterlogging. Spent plant pots can help. They are simply buried in the ground next to the tomato plant. The tomato plants can be watered in this way easily and safely. The irrigation water is simply poured into the buried plant pots and can then seep through the water holes, in the bottom of the plant pots, slowly in the soil next to the plant. The disused plant pots can be buried in the ground at a sufficient distance immediately after soil preparation. The larger the planting distance is chosen, the healthier the tomato plants develop and the greater the yield. When setting the plant pots, therefore, the planting distance should be kept exactly and calculated rather generous.

The planting of tomato shrubs

In May, after the icy saints, when no more frost is expected, the planting time for tomatoes begins. The young tomato plants should be carefully placed next to the already buried plant pots. When planting it is important that no leaves or root parts are injured, which could weaken the plant. Even when planting, it makes sense to place trellises next to the young tomato plants. Although the small plants do not yet have to be supported by climbing aids immediately, it is possible at any time, without much effort, to bind the plants if they develop well and grow larger.

Why are old tomato varieties so robust?

For many old tomato varieties, the growth is slightly different compared to new varieties. The leaves of old varieties are shaped so that rainwater can not remain on the leaves, but also, due to the leaf design, immediately runs down. The type of growth is therefore crucial for the robustness of a tomato plant. In most cases, fungi and fungal diseases can only arise if rainwater or dew can facilitate the growth of fungal diseases on the plant. For some of the old tomato varieties, it is therefore completely unnecessary to build roofing or protection devices. You can just grow on the open land.

Where can old tomato plants be planted?

Due to their robustness, old tomato plants can be grown almost anywhere. They thrive well at the following planting locations:
  • imBeet
  • in bucket (at least 15 liters in volume)
  • on terraces and balconies
  • in window boxes (if they are big enough)

Care and fertilization

Even old tomato varieties require a little care, so that the harvest yield is particularly high. On the Auswizen the side shoots must not be waived here. The excretion allows a tomato plant to maintain the main force for the main shoot and to support fruiting. It should therefore be done at regular intervals a walk through the tomato patch, so that the newly grown side shoots can be eliminated in the beginning.
Tomatoes need a lot of nutrients during their growth phase. Nutrients not only provide good growth and harvest, they are also needed for plant health. A second dose of additional compost, during the growth and gestation period, the tomatoes, ensures a sufficiently good nutrient supply. Spraying perennials with a moring leaf decoction can naturally promote the growth and health of the plant.

Before the first frost comes

Many tomato shrubs still bear immature tomatoes when the first frost is announced. Anyone who would like to ripen these fruits should therefore dig up the perennials and hang them down with the leaves in the cellar (or other dark, frost-free rooms). So the immature tomatoes can still pull nutrients out of the plant and completely mature.
Old varieties of tomatoes, which are resistant to cabbage and brown rot, can increase the enjoyment of tomato crops, if harvest yields are significantly higher. The varieties not only convince by robustness, but also in taste.

useful information

Resistant varieties are already available for some of the diseases, but herbaceous and brown rot have not yet grown.
Resistant tomatoes carry one or more resistance to one or more tomato diseases, for example to tomato mosaic virus. Truly 100% resistant varieties do not exist, but some show some tolerance regarding the onset of one of the fungal diseases. They delay him.
Otherwise, chemical controls will help if it breaks out. It is better to follow some care measures to prevent the onset of the disease. For example, Tomatoes should never be poured from above, ie over the leaves. The mulching of the soil with grass clippings or straw is to be prevented, because the fungal spores are thrown by raindrops on the bottom leaves. It is beneficial to remove the bottom leaves of the plant. The treatment with plant strengthening agents (sea algae) is advantageous. It is best to choose robust varieties and install a rain cover over the plants. Due to a lot of moisture, the fungus is promoted and can spread well. In rainy years, the late blight and brown rot occur much more frequently.
There is no variety resistant to all diseases occurring in tomatoes.

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