Ciennepi 2018 Grow Blog

[ciennepi]

Correct observation. Next blossom I will bag 3 flowers so I will be sure to have at least one pod of seed.

 

[ciennepi]

This is the leaf of Nostrano. It reached 60 cm ( 23,6") of lenght and keep growing. The aren't sign of maturation. The flue-cured Bucak an Yellow Pryor begin to show pale Green on the bottom leafs.

 

[deluxestogie]

Very nice.

Here is a mature leaf from my 2016 grow:

This was about 75 days after transplant.

Bob

 

[ciennepi]

I had transplanted mine 60 days ago, so maybe in two weeks they are ready to harvest.
But I must build a new box kiln because the one I build the past year is too little for that giant leafs!

 

[ciennepi]

This are mine field coltivation. The right row is Nostrano del Brenta and the left row is 2 Aztec, 3 Vuelta Abajo, 3 Bucak and 3 Yellow Pryor.

 

[ciennepi]

The 3 Vuelta Abajo. The two on the right have got PVY like the past year BUT the left one seem healthy. If they stay good I will bag seed from it.

 

[ciennepi]

The 3 Bucak.

And the 3 Yellow Pryor. All of the above have not sign of PVY.

 

[ciennepi]

View attachment 24008
The sad thing is that many plants of Nostrano, Aztec and Vuelta Abajo show this "rust" on the leafs.
I don't know what may be. Do you have some idea?

 

[ciennepi]

Another photo of the disease.

 

[deluxestogie]

[For some reason, I can see the first image only by clicking on the attachment link. I tried to fix it unsuccessfully.]

The first image, which shows an edge and tip affected, seems to be an environmental injury of some sort (I have no idea what). But your second image shows a pattern more suggestive of viral damage.

Bob

 

[Levi Gross]

Could it be what is I believe to be called brown spot fungus.? My seedlings this year were affected by something similar looking to this where the leaves spotted then dried to a crisp in the spots and died. I think it was in my soil, or the seed cells that they were growing in. I transplanted and they regained health but yours are in an established spot. I removed affected leaves completely. The problem did not return.

 

[ciennepi]

To remove the affected leafs is not possible because many leafs have this "browning", some more or some less.
I hope that it stay confined and don't damage all the leafs.

 

[ciennepi]

I'm saving seed from my plants and I bagged appropriately the flower to keep the strain pure.
I read the Bob's post about intentionally cross two tobacco vaieties (http://fairtradetobacco.com/threads/1084-How-to-Intentionally-Cross-Tobacco-Varieties) and I'm asking if there could be some advantages to operate in the same way also for the seed of one strain.
In practice fertilize a pistil of a plant of "X" strain with the pollen of "X" strain wich however come from another plant.
Out of pure curiosity I'm trying to do it together with the classical method.

 

[deluxestogie]

That is an interesting and debated question. In seed collections of heirloom vegetables, for example, one can always find genetic diversity. That diversity enhances the plant's ability to adapt to changed environments. Genetic diversity may also be a specific attribute of a particular variety, like maize (corn) that presents multi-colored kernels. This is the rational for growing 100 plants, and randomly saving seed from at least 10 to 25 of them. The diversity is a part of the variety's characteristics.

By contrast, pure tobacco varieties, by definition, have very low genetic diversity (assumed zero heterozygosity). The goal in tobacco breeding is to eliminate any genetic variation. So I would say that if your original seed was pure, then it would be wasted effort to perform manual pollination. (Though it would be educational, the process is quite tedious.)

Bob

 

[skychaser]

This is the rational for growing 100 plants, and randomly saving seed from at least 10 to 25 of them. The diversity is a part of the variety's characteristics.
Bob

It's called the 20/100 rule. Something I strictly adhere to, even with the highly inbred tobaccos. You want at least 20 plants from inbreeding strains and 100 from out breeding strains to maintain diversity. With corn it is more like 400 - 500 plants. Anyone who is truly interested in saving seed should get a book called "Seed to Seed" by Suzanne Ashworth. It is considered the seed savers bible for amateur gardeners and professional growers alike.

 

[OldDinosaurWesH]

In the Agronomy world we call these old varieties "Land Races". There is substantial genetic diversity within the seed stock being used. In many places in the world the use of Land Race crops is common as a protection against disease and other deleterious factors that cause crop failure. The rationale being "better some crop than none."

Wes H.

 

[skychaser]

There is substantial genetic diversity within the seed stock being used. In many places in the world the use of Land Race crops is common as a protection against disease and other deleterious factors that cause crop failure.
Wes H.

This is one reason why it is important to preserve old strains.

 

[skychaser]

If you want to get an idea of how inbred some tobacco strains are, read this post on the development of TN 90.

http://fairtradetobacco.com/threads/1951-TN-90

 

[deluxestogie]

That is great info. Also, it highlights the fact that TN 86 and TN 90 are both PVY resistant, which should be of interest to those having issues with PVY.

Bob

 

[ciennepi]

I read all this interesting things and understand that could be some benefit to have more variability in one strain, so I save seeds with the two type of management and keep them divided.