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For those so opposed to the control aspect, put yourself in the breeders shoes. You spend years improving and stabilizing a line, at huge costs. You sell some seed, and the next thing you know your competitor is selling the same thing without investing any time or resources, essentially...

Where I am, if you plant an outdoor crop you will get seeds now. Triploids are a great solution for people who want to grow outdoor in these areas and not get seeds. Row covers, as suggested, don't seem very practical and I would worry about mold. There are other potential benefits of...

A lot. For plant breeding there is a whole area devoted to studying genotype by environment interactions. Some cultivars are more stable than others, as are some traits, but this is a real thing for sure. Breeders try to select for plants that do well in all environments, but that is not...

Yes, it is generally more complex than the simple models they use to teach genetics. I did one of those genetic tests recently and was surprised how many simple traits they got wrong based on my DNA, showing that even in the well studies human system even simple traits are not so we'll...

They all seem to be sold out during Covid. We were trying to upgrade but it is slim pickings.

Trampoline (and small kids pool)

I think flowering time would be a quantitative trait, meaning it is under the control of many different genes and would not be dominant or recessive. The dominant/recessive dichotomy really only works for qualitative traits that are under the control of one, or few, genes. The classic example...

The uniformity of the F1 cross will depend on the specifics of the parents and how fixed they are. For most crops, commercial F1 hybrid seed is produced from highly inbred lines where most of their traits are fixed. In this scenario, the F1 hybrid seed is almost genetically identical. If the...

Yes, you may be up with a lot of light at times, but it is not even. The 2500 number I mentioned is the peak on a clear and sunny day, but it varies through the day, is much lower if it is cloudy, etc. For greenhouse production, people often use the daily light integral (DLI) which is simply...

A clear sunny day outside is around 2500 ppfd. The amount in your greenhouse will depend on the greenhouse.

Better to use a shade screen of some sort. If you use several layers of something that lets most of the light through you can simply remove one layer per day. To slowly expose them.

First of all, I could be wrong but I don't think credit should go to Van Dalen. There are research papers out of India from the 70s and early 80s demonstrating sex reversal with all of these compounds. As for the genetics of producing feminized seed, it will really depend on how you proceed...

Hybrid vigoir, or heterosis, is simply the phenomenon when a cross between two lines is more vigorous than either parent. Not all crosses will exhibit heterosis, and it is most common with crosses between genetically distance parents. This will mostly be seen in the F1 generation and disappear...

The legal seed selection is a joke, and I am sceptical of the quality (let us know). As far as where you got your seeds, if I was ever asked I would just say that I found them in some legal weed I bought. I can't see any one actually being charged with "illegal" seeds unless it was large scale.

I have been starting by moving them into the greenhouse just for the morning and evening, moving them back inside during the peak heat/intensity for the first could days. I start in shadier locations and slowly give them sunnier homes. Whatever you do, just go slow.

These are in a crude greenhouse I built (converted my shed). I will probably move some outside in pots but bring them back in when it gets cold. I am in Canada and find there are very few strains that reach full maturity fully outdoor, but can manage most this way. These are critical mass ...

People make far too many sweeping statements in the Cannabis world. For example, people keep saying that slow release is not good because of the nitrogen, but there are slow release ferts with low N (where you could use it as a base line and add extra N at the beginning), and there are slow...