Headed Cabbage at the Harvesting Stage
Headed Cabbage at the Harvesting Stage

Headed Cabbage - Propagation of Headed Cabbage

The propagation of Headed Cabbage and the factors that affect the germination of its seed are the main subject of this article.

Which, if we did not lose the count, is the fourth of the series devoted to the cultivation of the Headed Cabbage, Brassica oleracea var. capitata.

One Brassica oleracea var. capitata that inevitably leads us to thoughts about the autumn that comes.

And what makes us somehow doubt the correctness of the title we chose for this article.

Perhaps, we are now saying, a less pompous title, such as ‘The Propagation of Headed Cabbage, Farewell to Summer in the Terrace with the Sinks’, was more appropriate to the occasion.

If not, the worse for the occasion.

The germination of seeds for commercial cultivation should be between 93 and 99%, under optimum conditions.

Propagation of Headed Cabbage - Cabbage in Dense Planting Arrangement, in the Field
Cabbage in Dense Planting Arrangement, in the Field
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The Propagation of Headed Cabbage

Headed Cabbage (Brassica oleracea var. capitata), whether grown on a commercial scale or in a small vegetable garden to meet family needs, is propagated mainly by seed.

The Headed Cabbage propagation is carried out either by sowing directly to the definitive sites in the field or in specially covered areas ( greenhouses, germination rooms e.t.c) from where after the seedlings reach a certain stage of development, they will be transplanted into the field.

Headed Cabbage – Propagation of Headed Cabbage

Medium Size Cabbage Heads
Medium Size Cabbage Heads

Factors affecting the Headed Cabbage Seeds Germination

The successful propagation of Headed Cabbage depends on a variety of factors. Some of the factors are biological and other environmental.

All of these have a different effect on seed germination.

However, for successful germination and consequently the successful growth of seedlings decisive role play:

  • The season and the time of the Headed Cabbage seed harvest
  • The quality of the harvested seeds
  • The temperature of the soil (or the soil medium) and air
  • Soil Moisture (or soil medium) and atmospheric humidity
  • The air and oxygen of the soil (or the soil medium)

Headed Cabbage – Propagation of Headed Cabbage

Propagation of Headed Cabbage - Developed Headed Cabbages Near the Harvest
Developed Headed Cabbages Near the Harvest

Season, Time of Seed Harvest And Quality of the Headed Cabbage Seed

As with all species, the germination of Headed Cabbage seeds is maintained at high rates for a certain period of time, which for most varieties reaches up to 4 to 6 years.

Of course, as much close to the seed harvested period as possible is the best, but it is to be taken into account that, especially for simple varieties, where the growers collects the seeds by themselves and sowing again, they must be at least 90 to 120 days, because in a different case the seeds are in dormancy phase.

As regards to the quality of the harvested seeds, they should come from healthy plants and be themselves healthy, belong to the specific variety and of course have the desirable characteristics of this particular variety.

Of course, the grower who buys the seed has no control over the process and the final product of the seed production.

That is why the credibility of the seed companies as well as the validity of the quality certificates, which accompany in particular those seeds intended for commercial cultivation, is of great importance.

Headed Cabbage – Propagation of Headed Cabbage

Propagation of Headed Cabbage - Headed Cabbages at the Beginning of the Crop
Headed Cabbages at the Beginning of the Crop

The Temperature Effect on Headed Cabbage Propagation

Successful propagation of Headed Cabbage depends – as has been said above – to a large extent on both soil and atmospheric factors.

Among them, the soil temperature (or the seed medium temperature) plays a key role.

In general, it could be said that the seeds used for the Headed Cabbage propagation germinate at soil temperatures between 10 (50 °F) and 30 °C (86 °F). Typically, it is reported that for a depth of 1.2 cm:

  • At 10 °C (50 °F) the seeds germinate in 10 days
  • At 15 °C (59 °F) the seeds germinate in 9 days
  • At 20 °C (68 °F) the seeds germinate in 6 days
  • At 25 °C (77 °F) the seeds germinate in 5 days
  • At 30 °C (86 °F) the seeds germinate in 4 days

However, the optimum soil temperatures for the germinate of Headed Cabbage seeds, ranging from 93 to 99%, are considered to be between 15 and 20 °C (59-68 °F).

Headed Cabbage – Propagation of Headed Cabbage

Young Plants of Headed Cabbage
Young Plants of Headed Cabbage

The Soil Moisture and Atmospheric Humidity Factors

Successful propagation of Headed Cabbage is also affected to a significant extent by atmospheric humidity and soil moisture rates.

Initially, during sowing, high moisture content is necessary for germination of the seeds.

Then, and especially in the soil (or in the soil medium of sowing), the high percentages, if left, will result in abnormal air circulation, oxygen deficiency to the rhizosphere, disease development, and consequently decay seedlings.

Headed Cabbage – Propagation of Headed Cabbage

Transplanted Seedling of Headed Cabbage
Transplanted Seedling of Headed Cabbage

References

The References to this ultra-propagate article, entitled Headed Cabbage – Propagation of Headed Cabbage, are presented by the excellent Mr. Howlin’ Wolf with the song Spoonful, of his excellence Willie Dixon.

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