Seed To Harvest Marijuana

Breeders have begun specializing in the cultivation of cannabis seeds. Find out more about how breeders pay special attention to the pollination, harvest time, and drying process for the seeds to improve the likelihood of a successful harvest. The estimated $63.5 billion green rush has led to increased revenues in cannabis cultivation—positively impacting other industries

The Importance of Collecting and Harvesting Cannabis Seeds

T here was a time in our not-too-recent history when a sack of weed almost always included seeds. However, as cannabis cultivation evolved, so did the demand for sensimilla, or high-quality, seedless cannabis. Breeders not only began developing their own customized strains, they also started specializing in the cultivation of very special cannabis seeds. These seeds are used in both the breeding process and the wide-spread distribution of the carefully created strain itself.

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The Role of Seeds in the Breeding Process

The process of breeding the perfect strain requires a controlled production of seeds. Breeders must force their favorite plants to produce pollen and then use it to pollinate other favorite strains, thus creating “cross-breeds” of their two selected parents. Note that this process is not haphazard like the seeds one might find in a poorly-controlled outside marijuana grow – cannabis seed cultivation is a precise process that requires controlled, sanitary environments that are thoroughly sealed to prevent outside dander from getting in.

The plants can “veg” here, or continue their vegetative growth phase if trying to increase their size before seed production begins, but it’s not necessary. Once the plants are large enough, they are put into a flowering light cycle of 12 hours light and 12 hours of complete darkness.

Within a few weeks, the male will produce pollen sacks which will soon burst and get carried off into the air to pollinate the females. The females will now produce seeds which may continue to be used in the breeding process or harvested and sold to the public.

For the purpose of seed production, only around 20 females are recommended per male. However, a single male can realistically pollinate hundreds of females, hence the importance of a tightly sealed environment during the seed production process.

Natural Cannabis Seed Production

Cannabis is an amazingly resilient plant and doesn’t require male pollination to produce seeds. Evolution has bestowed upon the cannabis plant an amazing ability to self-pollinate when there are no males around to do it for her. Whether stressed or old (for example, a female cannabis plant that is not harvested before her prime), if a female senses an environment that is not conducive to long-term growth, she will produce seeds in hopes that her legacy will continue.

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This is how feminized cannabis seeds are produced. Breeders will carefully stress a healthy female plant to “trick” her into thinking her life or safety is in danger.

One common method is to stress the female by applying solutions like colloidal silver or silver nitrate generously onto the leaves when she first enters the flower light cycle. Within 3-4 weeks, male sex organs will appear on the nodes of the female plant. Please note, applying these stress-inducing solutions to plants renders them unsmokable. The particulate cannot be washed off thoroughly because it settles deep into the surface of the plant. This method is for seed production only.

Another method is to simply let a healthy female age. If she grows past maturation, she will produce male “banana” pollen sacks without any male chromosomes. Though she may look like a hermaphroditic plant at this point (one containing the chromosomes of both male and female), the pollen she produces will contain only XX chromosomes and therefore cannot pass the Y (male) chromosome down to its heirs. Pollen collected in this way is then used to pollinate another female which will then produce female-only seeds.

How to Collect Cannabis Seeds

Though many grow ops aim to do away with seeds to grow fine sensimilla instead, sometimes breeders want seeds. Whether to grow their own crops or to sell to a demanding public, cannabis seed cultivators have their goals set on producing healthy, happy seeds in lieu of big, beautiful buds.

Seed crops are harvested when the seeds are plump and dark, often with a tiger stripe appearance (around six to eight weeks into flowering).

After harvesting, the bud is dried and the seeds are collected. Small-scale seed collection is done by simply crumbling the cannabis flower and collecting the seeds that fall out (this video by Johnnys Green Extractions offers a clever way to separate seeds from flower using an old vinyl record cover).

Commercial seed collection usually involves special machines that crush dried flower then pass the trim and seeds into separate bins. After seeds are collected, they’re stored in opaque, air-tight containers to prevent them from rotting or sprouting prematurely.

Conclusion

Though cannabis flower is usually cultivated to be seedless, sometimes the seeds are the whole point. Breeders pay special attention to the pollination, harvest time, and drying process when growing cannabis specifically for the seeds to improve the likelihood of a successful harvest.

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Frequently Asked Questions

How are Feminized Seeds Made?

Feminized seeds are made by inducing a female plant to produce seeds without being pollinated by a male. These resulting seeds will not contain a male Y chromosome, only retaining the two X chromosomes from the female plant, and thus all of the resulting seeds will be female. This process can be done by stressing the plant, altering it with chemicals, or allowing it to grow past its harvesting time.

How Many Plants Can a Male Cannabis Plant Pollinate?

For professional production, it is recommended to pollinate about 20 female plants per male plant, but this is done to ensure tight oversight and quality control. In the wild, a single male plant can pollinate hundreds of female cannabis plants.

Can You Smoke Cannabis That Has Been Treated with Colloidal Silver?

No, colloidal silver is only used on plants raised for seeding purposes, it makes the plants that it is sprayed on unsmokable.

How are Strains Crossbred?

Cannabis breeders create crossbreeds by using the pollen of one strain to pollenate seeds with another strain. The resulting seeds will have genetics from both parents. These new plants are selected by their desirable traits and then stabilized through further breeding, typically using the genetics of their parent strains.

Have you ever harvested cannabis seeds? Share your experiences in the comments below!

Author

Abby is a writer and founder of Cannabis Content, a marketplace designed to connect cannabis writers and creatives with businesses in the industry. She has been a professional cannabis writer since 2014 and regularly contributes to publications such as PotGuide and M&F Talent. She is also the Content Director at Fortuna Hemp, America’s leading feminized hemp seed bank. Follow Abby on Facebook, Twitter, and Linkedin.

Cultivating Cannabis: The Journey from Seed to Harvest

Cultivating Cannabis: The Journey from Seed to Harvest

Cannabis is emerging from the shadows of strict regulation, prompting the growth of a global market worth almost $25 billion today. This green rush has led to increased revenues throughout the entire cannabis supply chain—most notably in cannabis cultivation.

Such growth is rippling across industries such as energy and agriculture technology, with innovation allowing for greater scale.

Today’s infographic from Water Ways Technologies follows the journey of the cannabis plant, and explores cutting-edge technology that will fuel the future of cannabis cultivation.

Breaking Down the Cultivation Process

Cannabis is an annual plant, meaning it naturally goes through its entire life cycle in one year. However, this cycle is shortened to 3 months in commercial cultivation to improve productivity.

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Plants can be grown from either a seed or a clone. The cloning method guarantees consistency, cost savings, and provides genetic stability from a disease-free source. All of these factors contribute to its popularity with commercial growers and the medical cannabis community.

Each stage requires different variables to ensure the highest standards are being met.

    1: Creating a Mother Plant: 3 months, 4 times a year

Mother plants create an endless supply of clones, making this stage the most crucial. The mother plant starts as a seed, chosen for desirable qualities that the grower wants to replicate—like aroma, flavor, and yield.

Growers then take clippings from the chosen mother plant, and dip each one in water and fertilizer. They are then soaked in rooting fluid and placed in a plug (individual cell), before entering an incubator.

The clippings remain here until they finish rooting. The incubator maintains the plant’s moisture by facilitating leaf absorption.

    3: Vegetation Process: 3-4 weeks

The clones are transferred to growing rooms and placed into a light substance similar to soil. They are moved on to flood benches—large tables that re-circulate excess water and fertilizer—which enable the optimal uptake of nutrients.

During this phase, the clones require 18 hours of light and 6 hours of darkness. There must be a constant analysis of the radiation levels to combat any damage from the artificial light source.

Following the vegetation process, the plants are separated into different flowering rooms. During this phase, buds grow and develop a solid cannabinoid and terpene profile. Terpenes are organic compounds that give cannabis varieties their distinctive aromas like citrus, berry, mint, and pine.

The cannabis plant is harvested once it reaches maturity. The flowers are de-budded, trimmed, and set on drying trays in a post-harvest room with low humidity, before they are ready for extraction.

This final stage requires a substantial amount of time and attention to detail, to ensure the best quality and most potent product possible.

Cultivating the Future of Cannabis

Efficiently producing high-quality, consistent cannabis will help meet growing consumer demand. Water Ways Technologies is an agro-tech company helping to propel this growth, by providing cultivators with data-driven insights from their precise irrigation system.

With a strong understanding of the full cannabis life cycle, Water Ways Technologies ensures that adjustments can be made at different stages throughout the growing process, resulting in the highest standards, and wider profit margins for investors.