Cannabis Botany and Characteristics
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Questions and Answers

Which species of Cannabis is characterized by tall plants averaging between 4 to 15 feet in height?

  • Indica
  • Sativa (correct)
  • Hybrid
  • Ruderalis

What is a distinguishing feature of Indica Cannabis leaves?

  • Pointy leaves with no patterns
  • Small and thick leaves
  • Rounded leaves with marble-like patterns (correct)
  • Long and slender leaves

Which species of Cannabis is known for having very short internodes and much branching?

  • Sativa
  • Indica
  • Ruderalis (correct)
  • Sativa x Indica

What is the main ingredient of the cannabinoids that produces the psychoactive 'high' effect?

<p>Delta 9 THC (A)</p> Signup and view all the answers

What range in height is typical for Indica Cannabis plants?

<p>6 inches to 4 feet (B)</p> Signup and view all the answers

How do THC levels differ across various strains of Cannabis?

<p>Strains can contain different percentages of THC. (B)</p> Signup and view all the answers

Which species has leaves that are described as small and thick?

<p>Ruderalis (C)</p> Signup and view all the answers

What contributes to the overall 'high' in addition to delta 9 THC?

<p>Delta 8 THC (D)</p> Signup and view all the answers

What is the main reason female plants increase bud growth during flowering?

<p>To attract male pollen (C)</p> Signup and view all the answers

How long can it take for plants to fully develop in the flowering phase?

<p>4 to 16 weeks (D)</p> Signup and view all the answers

What happens to the pistils towards the last days of flowering?

<p>They change color (C)</p> Signup and view all the answers

Which type of plant typically requires the longest flowering period?

<p>Sativa (D)</p> Signup and view all the answers

What characteristic of the buds increases as the plant develops?

<p>The amount of resin (A)</p> Signup and view all the answers

What is the most common duration for a cannabis plant to grow to maturity?

<p>3 to 4 months (D)</p> Signup and view all the answers

What happens to the hairs on the buds as they develop?

<p>They become thicker and cluster (D)</p> Signup and view all the answers

How does the flowering time of an Indica plant compare to that of a Sativa plant?

<p>Indica flowers much faster (A)</p> Signup and view all the answers

What should you do if your seedlings need support?

<p>Tie the stem to a small stick with thread. (B)</p> Signup and view all the answers

What color seeds should be avoided for germination?

<p>White seeds. (B)</p> Signup and view all the answers

How can you help a seedling develop a more solid stem?

<p>Shake the base of the stem gently. (D)</p> Signup and view all the answers

What should you never do when tying a seedling to a stick?

<p>Tie the thread above a growing shoot. (C)</p> Signup and view all the answers

When is the best time to transplant seedlings?

<p>As early as possible, often after germination. (A)</p> Signup and view all the answers

Which of the following mediums can seedlings be transplanted into?

<p>Hydroponics or soil. (C)</p> Signup and view all the answers

What is a potential issue when transferring a rockwool cube with a seedling?

<p>Roots and soil may be disturbed unnecessarily. (B)</p> Signup and view all the answers

What type of seeds may have trouble germinating due to age?

<p>Old seeds. (D)</p> Signup and view all the answers

What is a common reason for seeds failing to germinate?

<p>Their shell is too hard to break open. (A)</p> Signup and view all the answers

What materials are suggested for scuffing seeds?

<p>Sandpaper and a small box. (B)</p> Signup and view all the answers

Which gardening tool is NOT mentioned as necessary for growing plants?

<p>Pruning shears (B)</p> Signup and view all the answers

What is a notable characteristic of male cannabis plants?

<p>They can be used to make hash oil. (A)</p> Signup and view all the answers

What are rockwool cubes primarily used for in gardening?

<p>Seed germination (A)</p> Signup and view all the answers

What should be done with the leaves when testing a male plant for quality?

<p>Cure them before determining their value. (D)</p> Signup and view all the answers

What might happen after scuffing seeds in a sandpaper-lined box?

<p>The seeds' shells will break more easily. (B)</p> Signup and view all the answers

What is the role of grow nutrients in gardening?

<p>To promote plant growth and health. (C)</p> Signup and view all the answers

What is the percentage of cannabis addicts that experience depression?

<p>Only a small percentage (D)</p> Signup and view all the answers

What was the reason behind Bruce Lee's death being classified as 'death by misadventure'?

<p>He had an allergic reaction to another herb (C)</p> Signup and view all the answers

What is the primary treatment suggested for cannabis addiction?

<p>Psychotherapy (D)</p> Signup and view all the answers

Why is it problematic to determine if someone is under the influence of cannabis?

<p>There is no immediate breathalyser test available (D)</p> Signup and view all the answers

What is a common behavior of individuals who smoke too much cannabis?

<p>Becoming docile and inactive (C)</p> Signup and view all the answers

What is stated about the residual cannabinoids in the body after ceasing cannabis use?

<p>They pose no problems and diminish over time (D)</p> Signup and view all the answers

Why might governments continue to prohibit cannabis despite its use being widespread?

<p>To avoid admitting past mistakes in policy (C)</p> Signup and view all the answers

What is suggested about the impact of not using cannabis for a few days?

<p>The individual can quickly restore their former state (C)</p> Signup and view all the answers

What is the primary reason a new grower should follow seed-bank advice?

<p>To ensure better plant growth and yield. (A)</p> Signup and view all the answers

What does the flowering time indicate regarding plant growth?

<p>The timeframe for when to expect harvest readiness. (C)</p> Signup and view all the answers

Why might there be multiple variations of the same strain available from different breeders?

<p>Each breeder aims to develop the best plant possible. (D)</p> Signup and view all the answers

What is a potential benefit of choosing the best seeds from a seed-bank?

<p>You can produce your own seeds from that strain. (B)</p> Signup and view all the answers

What is one reason some growers have successfully produced plants indoors when initially intended for outdoor growth?

<p>Experience in manipulating environmental factors. (D)</p> Signup and view all the answers

How long does it typically take for the Skunk#1 strain to reach flowering readiness?

<p>7-9 weeks (D)</p> Signup and view all the answers

What are the three main stages in plant growth?

<p>Germination, Vegetative growth, Flowering (B)</p> Signup and view all the answers

Why might a grower choose to experiment with planting indoor seeds outdoors?

<p>To compare the outcomes and learn from the experience. (B)</p> Signup and view all the answers

Flashcards

Cannabis species

There are three main types of Cannabis plants: Sativa, Indica, and Ruderalis. Each species has unique characteristics and different strains with their own special qualities.

Sativa

A type of Cannabis with tall plants, long internodes between branches, and pointy leaves without markings or patterns.

Indica

A type of Cannabis with short plants, short internodes between branches, and rounded leaves with marble-like patterns.

Ruderalis

A type of Cannabis with small plants, very short internodes with lots of branching, and small, thick leaves.

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Cannabinoids

Psychoactive ingredients produced by Cannabis plants. THC is the main cannabinoid responsible for the 'high' effect.

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Delta 9 THC

The main ingredient of cannabinoids that creates the 'high' effect. Different strains vary in THC levels.

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THC levels

Measure the amount of THC in a plant. A potent plant has both high levels and quantities of THC.

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Delta 8 THC

Another cannabinoid present in low levels in Cannabis. It also contributes to the 'high' effect.

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Cannabis Addiction Treatment

Psychotherapy is the primary method for treating cannabis addiction. There are currently no other proven medical treatments.

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Cannabis and Driving

Driving while under the influence of cannabis is as dangerous as driving under the influence of alcohol. It impairs judgment and coordination, making it unsafe.

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Effects of Cannabis Overuse

Excessive cannabis use can lead to lethargy and a temporary decrease in motivation, but these effects are usually short-lived.

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Cannabis Withdrawal

Withdrawal from cannabis typically involves only a few days of discomfort, such as irritability or sleep problems, and is much less severe than withdrawal from alcohol or heroin.

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Cannabis Fatality

There is only one recorded instance of death directly attributed to cannabis use, and even that was later contested due to a misdiagnosis.

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Cannabis Prohibition

The prohibition of cannabis has been largely based on concerns about its potential for abuse and lack of a reliable sobriety test, despite limited evidence for these concerns.

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Cannabis Detection Tests

Tests exist to detect cannabis use for varying durations, from hours to months, but there is no equivalent of a breathalyzer test.

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Cannabis and Alcohol Comparison

Both cannabis and alcohol can impair judgment and coordination, but alcohol withdrawal is more severe and dangerous than cannabis withdrawal.

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Seed-bank Advice

Recommendations provided by seed banks regarding the best growing environment for a specific strain, whether it's indoors or outdoors.

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Strain Variation

The same strain of marijuana can be grown in different ways by different breeders, resulting in slight variations in characteristics.

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Choosing the Best Breeder

Selecting seeds from a breeder known for producing high-quality, desirable strains, ensuring optimal results.

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Producing Your Own Seeds

The ability to create new seeds from a favored strain by cross-pollinating plants, leading to potential for further customization.

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Flowering Time

The period after a plant shows its gender, lasting for a specific duration depending on the strain, signifying the start of bud development.

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Harvesting Stage

The final stage of plant growth, typically towards the end of the flowering period, when buds are ready to be harvested.

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Germination

The initial stage of a marijuana plant's life cycle, where the seed sprouts and begins growing.

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Vegetative Growth

The second stage of a marijuana plant's life cycle, focused on developing strong foliage and stems before flowering.

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Sinsemilla Crop

A female cannabis plant that has not been pollinated by a male plant, resulting in large, resinous buds. This produces a higher concentration of THC and a less harsh smoke compared to seeded cannabis.

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Female Cannabis Plant Features

Female cannabis plants produce small, creamy-white pistils, which are the reproductive parts that become the 'hairs' on the bud. They also develop resin glands, which produce THC and other cannabinoids.

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Bud Development

Cannabis buds grow larger and develop more resin glands during the flowering stage. The pistils change color as the plant matures, indicating harvest readiness.

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Sinsemilla Cycle Time

Unpollinated female cannabis plants take longer to flower than those pollinated. The flowering time can range from 4 to 16 weeks depending on the strain.

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Cannabis Strain Variation

Different cannabis strains have varying flowering times, with Sativa strains taking longer than Indica strains.

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Harvest Readiness

A female cannabis plant is ready for harvest when the pistils have changed color, usually transitioning to reddish-brown or amber.

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Propagation

The process of creating new plants from existing plants, such as by using cuttings or seeds.

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Cannabis Growth Timeline

The total grow time for a cannabis plant can vary from 10 to 36 weeks, depending on the strain and the growing environment.

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Seedling Support

Using a stick and thread to support a weak seedling to prevent it from leaning excessively.

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Strengthening Stems

Gently shaking the base of a seedling's stem to encourage the development of a strong, sturdy stem.

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Viable Seeds

Seeds that are healthy and able to germinate.

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Transplanting Seedlings

Moving a seedling from its original growing medium to a larger pot or different growing environment.

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Rockwool Cube Transplant

Transferring a seedling from a Rookwool SBS tray to a larger pot or different growing medium, keeping the rockwool cube intact.

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Transplanting in Soil

Moving a plant from a smaller pot to a larger one, taking care not to disturb the roots and soil too much.

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Transplant Challenges

Moving a seedling with the soil and roots intact from one pot to another, which can sometimes be difficult and cause damage.

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What is scuffing?

Scuffing is a technique used to help seeds germinate by gently breaking open their hard outer shells. It involves rubbing seeds with sandpaper inside a small box to make the shells easier to penetrate by water.

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What are the key differences between a male and a female cannabis plant?

Male plants have pollen sacks whereas female plants have pistils. The male plant is not usually preferred for smoking. The pollen sacs release pollen and can pollinate female plants, which can create seeds and affect the quality of the buds.

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Why do we need to scuff seeds?

Some seeds have tough outer shells that prevent water from reaching the embryo inside, hindering germination. Scuffing gently abrades the shell, making it easier for water to penetrate and allow the seed to sprout.

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What are some of the essential tools for growing cannabis indoors or outdoors?

Tools needed for growing cannabis include propagation trays, pots, support sticks, watering cans, spray bottles, scissors, a sharp knife, grow nutrients, and rooting gels.

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What's the importance of using grow nutrients when cultivating Cannabis?

Grow nutrients are crucial to provide the Cannabis plants with the essential elements they need to thrive. These elements, including nitrogen, phosphorus, and potassium, are crucial for healthy growth, strong roots, and optimal flower development.

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How do rooting gels work?

Rooting gels are used to encourage root growth and help new plant cuttings develop a strong root system. It contains hormones and other ingredients that trigger root development.

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What are essential gardening tools for cultivating Cannabis?

Essential tools for cultivating Cannabis include a large pitchfork for digging, a small shovel for transplanting, and scissors or a sharp knife for trimming and pruning.

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Why are support sticks and thread important for cultivating Cannabis?

Support sticks and thread are used to keep the stems of weak seedlings upright and prevent them from bending or breaking. This is essential for ensuring the plant can grow strong and tall.

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Study Notes

Book Title and Author

  • The Cannabis Grow Bible
  • Greg Green
  • Copyright 2001, Greg Green
  • All rights reserved.
  • No part of this book may be reproduced, stored in a retrieval system, or transmitted by any means, without written permission from the author.

Acknowledgements

  • Thanks to family and friends
  • Thanks to members of www.overgrow.com
  • Thanks to specific growers (names listed)

Preface

  • Book written under adverse conditions (it's illegal to grow cannabis in many places)
  • Not a guide for breaking the law
  • Information about cannabis growth across the world
  • Emphasis on the responsibility of the grower

Chapter Contents (Page 11)

  • Cannabis Plant History and Basics of Use (Chapter 1)
  • Seeds (Chapter 2)
  • Propagation (Chapter 3)
  • Security (Chapter 4)
  • Indoor Cannabis Growth (Chapter 5)
  • Indoor Environmental Control (Chapter 6)
  • Pre-Flowering and Flowering (Chapter 7)
  • Advanced Indoor Soil Based Grow Methods (Chapter 8)
  • Basic Hydroponics (Chapter 9)
  • Outdoor Growing (Chapter 10)
  • Plant Care (Chapter 11)
  • Predators and Pests (Chapter 12)
  • Problem Solver (Chapter 13)
  • Harvesting and Curing Your Bud (Chapter 14)
  • Breeding (Chapter 15)
  • Strain Index (Chapter 16)
  • Glossary of Terms (Page 19)
  • Index (Page 19)

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