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seeds containing 2 cannabis planta

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.

But if the seed you found looks decent, you might as well germinate it and see what sprouts.

You might also find a mature seed that has been physically damaged through poor handling, like rough trimming. In those cases, it probably isn’t worth the effort to try and germinate the seed.

Transplanting germinated cannabis seeds

Keep a close eye on the temperature and moisture level of the soil to keep the seed happy. It’s very delicate at this stage. Use a spray bottle to water it—over-watering can suffocate and kill the delicate sprout.

One drawback of clones is they need to be taken during the vegetative stage of a plant—flower is too late—so if you have a small setup with only one light, it can be hard to keep clones alive while flowering other plants, because the two need different amounts of light.

To create a dark, protected space, take another plate and flip it over to cover the seeds, like a dome.

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.

Without a doubt, cannabis claims the title as one of the most beautiful plants on Earth—from its glittering trichomes and signature leaves to its complex root system. Many growers frequent their grow rooms just to stand in awe at what grows before them.

After liberating nutrients from the substrate, the mycelium uptakes and shuttles them around to plants. Because cannabis roots aren’t capable of this impressive function themselves, they have to “bargain” with the mycelium to access these nutrients. Luckily, plants produce sugars during photosynthesis, and transport many of these molecules down into the roots. Here, they swap these energy-rich exudates for the nutrients they need to fulfil important physiological functions.

MYCORRHIZAE

Although the flowers get most of the attention—and rightly so—every part of this complex species has a critical and interesting function. As a cultivator, it helps to familiarise yourself with the anatomy of the cannabis plant. In doing so, you’ll develop an eye for what your plant requires, what it needs less of, and when to harvest.

Explore our in-depth guide below to see the cannabis plant like never before.

Mycorrhizal fungi participate in a give-and-take relationship with cannabis plants. These species form networks of thin, hair-like filaments in the soil—known as mycelium—and produce enzymes to break down organic matter.

The complete genomes for Cannabis sativa (400 million bases) and Cannabis indica were recently sequenced by a company, Medical Genomics, and published on Amazon’s EC2 cloud computing service. An evaluation of single nucleotide polymorphism variations is being initiated and will likely be an advancing area of research. A set of microsatellite PCR primers has been published by Gilmore and Peakall in 2000 and Alghanim and Almirall in 2003 .

Cannabis plants grown under controlled hydroponic conditions, which are predominantly female plants (skunk), generally have a higher quantity of THC (9–25%) and can reach full maturity in about 13 weeks.

Joshua A. Hartsel , . Alexandros Makriyannis , in Nutraceuticals , 2016

Deoxyribonucleic Acid (DNA) Extraction from Botanical Material and Polymerase Chain Reaction (PCR) Amplification

Hemp seed typically contains about 25% high-quality protein and 35% fat in the form of an excellent quality oil. It has a remarkable fatty acid profile, being high in the desirable omega-3 fatty acids and also delivering some γ-linolenic acid (GLA), which is deficient in the average Western diet. 275 Although work by Ross et al. 276 showed no significant difference in the fatty acid composition of the oil generated from drug- or fiber-type seeds, the content of such higher fatty acids may vary considerably with variety, climate, and growing conditions.

Arno Hazekamp , . Renee L. Ruhaak , in Comprehensive Natural Products II , 2010

Cannabis sativa is a remarkable plant containing many valuable natural components. It has been cultivated throughout the world and history for use as a food, fuel source, nutritional supplement, body care product, source of paper, building material, medicine, and in textiles ( Small and Marcus, 2002 ). In 1938, Popular Mechanics magazine noted the economic value of hemp, one member of the C. sativa taxon, as the new billion-dollar crop of the era. The article reported that 30,000 products could be made from only one component of the hemp plant, the fiber, and the hurd of the stalk ( Mechanics, 1938 ). One key aspect of C. sativa that Popular Mechanics did not mention was the flower, which produces cannabinoids, terpenes, and seeds with a healthy balance of fatty acids. This chapter describes the scientific data as they relate to C. sativa flowers, biology, and chemistry, and how these components contribute to its recognized therapeutic value.

Kelly M. Elkins , in Forensic DNA Biology , 2013