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how to sex marijuana seeds

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Seeds found in finished cannabis buds can develop for a number of reasons. For example, a male plant may have accidentally pollinated a flowering female during the growing process. But more commonly, they’re a sign of stress and can be attributed to high temperatures during the final stages of flowering or an exaggerated spike in climate or environment.

A couple big drawbacks, though: Autoflower strains are known for being less potent. Also, because they are small in stature, they usually don’t produce big yields.

With cloning, you don’t have to get new seeds every time you want to grow another plant—you just take a cutting of the old plant—and you don’t have to germinate seeds or sex them out and get rid of the males.

Is a bagseed good or bad?

Because only female cannabis plants produce buds and you want them to focus all their energy on producing buds and not seeds, it’s important to identify and get rid of male weed plants so they don’t pollinate females. If females are pollinated, it will give you buds filled with seeds, making your weed harsh and unpleasant.

CBD, or cannabidiol, is one of the chemical components—known collectively as cannabinoids—found in the cannabis plant. Over the years, humans have selected plants for high-THC content, making cannabis with high levels of CBD rare. The genetic pathways through which THC is synthesized by the plant are different than those for CBD production.

Autoflowering strains require some preparation, as they will grow quickly and start to flower whether or not you’re ready for them.

So don’t discount bud because it has a seed or two in it. While not ideal, it could be the origins of the next great weed strain.

Male preflowers will look like a small cluster of green, oval-shaped growth. They will be noticeable between the internodal growth and can even look like a female preflower minus the pistil. By this point there is zero need to worry about male pollen sacs and cross pollination, and after several weeks, it will be evident if you have an abundance of tiny male preflowers forming.

There are plenty of old school genetics that have stood the test of time, and due to the marketplace during that era, were never feminized. It was from around early 2000 onwards, when the advantages of feminized seeds were becoming commercially popular. Many cultivars that existed during the last 50 years are often preserved in regular seed form, either as a first generation or as a stable IBL. Back crossing or producing a new generation of cultivar should only be done with regular seeds, especially when in-breeding.

There are many reasons a grower may choose to work with regular seeds, despite the practical advantages in terms of growing space, waste of nutrients and medium.

Characteristics of Female Preflowers

Working through a bunch of seeds and narrowing down the best female plants to one keeper, will reward you with the ultimate mother plant, and can often soften the blow of paying three figures for a pack of seeds in some cases. If you truly want to find the best of the best, using regular seeds will allow for the most genetic diversity.

When investing the time and money into a large pheno hunt, it is better to work with regular seeds over-feminized seeds. During this process the male and female plants will need to be separated well before flowering. There will be some impracticalites associated with this method such as wasted hydro system space, use of nutrients, growing medium, dedicated space, and maintenance. Working with a large number of plants to select from will allow you to access the best looking plants, based on height, structure, internodal spacing, aroma, leaf pattern, and overall vigor.

There are also commercial advantages when flowers are sold with a dedicated number such as Gelato #33, Gelato #45, KM11, or O.G #18.

Unlike the male preflower, the female will produce a tiny white hair known as a pistil. When you see the first white hair, this will indicate the plant is in fact female, and an abundance of pistils will emerge once flowering is induced. Sometimes there can be a very thin and narrow growth, similar to the tip of a blade of grass, that later pushes out a pistil.