Marijuana Botany presents the scientific knowledge and propagation techniques used to preserve and multiply vanishing Cannabis strains. Also included is information concerning Cannabis genetics and breeding used to begin plant improvement programs. The book presents scientific and horticultural principles, along with their practical applications, necessary for the breeding and propagation of Cannabis and in particular, marijuana. It will appeal not only to the professional researcher, but to the marijuana enthusiast or anyone with an eye to the future of Cannabis products.
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Book Description
Editorial Reviews
Review
Robert Clarkes splendid effort will be widely appreciated. His Marijuana Botany will be constantly consulted by a wide variety of researchers in the years to come. (Richard Evans Schultes-Director, Harvard Botanical Museum)
This work is a compact guide for interested scientists and breeders. -- Carlton E. Turner, Ph.D.-Director, National Institute of Mental Health Marijuana Research Project
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Customer Reviews
Most Helpful Customer Reviews
69 of 74 people found the following review helpful
Format:Paperback
The best place to start with this review is to tell you that you do not want this book if you are new to growing. This is not where you want to be going. Getting this book is a mistake which many new growers have made. So you have been warned!! There are other books that cover cannabis cultivation much more accurately like "The Cannabis Grow Bible" by Greg Green which I very highly recommend or "Indoor Marijuana Horticulture" by Jorge Cervantes a reasonably good grow guide. I find Ed Rosenthal's books a little wrong at times and Mel Franks work is far too old to be practical these days. So if you are looking for cultivation information go in that direction first but if you want some cannabis botany science and breeding information then carry on with this review.
The book is divided into four sections. The Sinsemilla Life Cycle of Cannabis, the Propagation of Cannabis, Genetics and Breeding of Cannabis, and finally Maturation and Harvesting of Cannabis.
The first section is very short and deals with the basic cycle of the cannabis plant from seed to the end of its life to the give the reader the basics of how the plant grows - however the botanical features of all the different strains in existence do vary from Clarke's basic descriptions, but at least his references are explained in extreme detail along with plant morphology. It is an important introduction chapter for what the rest of the book has to offer.
The second section is about the different ways that cannabis can be continued either by seeds or cloning and so this chapters covers both cloning and pollination but it is mostly concerned with pollen and manual pollination techniques. The seed selection part of this chapter is redundant and not really advised as a selection criteria for selecting seeds. There is only one way to know what a new hybrid seed can produce and that is to grow it out. The cloning section covers rooting and hormones, both important parts of the cloning technique for those who want to replicate their mother plant over and over again. The final part of this chapter deals with grafting, which is more of an experiment you can do but it is not used by cannabis cultivators. The chapter finishes with pruning, to help improve your yields.
The third section is really what this book is all about - the genetics of cannabis, and it can be confusing at the best of times because it dives right into it without much of a helper at the start, so be warned you will need something else to help you make head or tale of this section but I will come to that in a moment. After introducing us to the world of filial generations (F1, F2 ...) , heterozygous and homozygous, Clarke quickly turns to Polyploidy. Now this is a manmade condition which is inflicted on the cannabis plant to alter its chromosome number. The author believes this may increase potency but recent evaluation of Polyploidy cannabis and genetics have proven otherwise, but you will find this interesting all the same. The author then comes to meat of the book - breeding. Now this is 50/50 presentation. There is a whack load of breeding information that is extremely helpful and a ton of stuff that is very specialized towards strains that most of us will never see or work with because no one sells them anymore. You will also find references to the botanical aspects of the plant and how these traits can be mixed and fixed by breeding. Interesting and useful and this is probably the most important part of the book and the most often referred to by breeders.
The forth part of the book is about harvest times and how to judge them. The author also covers Cannabinoid Biosynthesis, but a lot of this has since changed since he wrote about it. Useful though, and you will reference it if you are interested in cannabinoids - but there are better books on cannabinoids out there. The book finishes by covering curing techniques and storage.
Now listen closely because this is exactly what I recommend you to do if you are interested in breeding cannabis. Do not get this book first. First of all you should take a look at "The Cannabible" by Jason King. It also contains an introduction by Clarke and will give you a look at the different cannabis strain, but forget the breeding section in that book because it has inaccuracies and is not the best. Your next move is a good grow book. Now you would do well to buy several but if you can only afford one get "The Cannabis Grow Bible" by Greg Green. Forget the garbage PDF that you might find on the internet of that book. It is old (2001) and is missing a lot. Get the 2003 paperback edition which is vastly superior and very different. "The Cannabis Grow Bible" has an excellent Chapter on Breeding and is an absolute `must have' for anybody interested in breeding. That chapter alone is sometimes more useful than this whole book from Clarke. Once you have that book and chapter you will be in a much better position to use this book from Clarke. I can guarantee you that now. Forget about the breeding chapter in "Marijuana Indoor Horticulture" by Jorge Cervantes. Its bunk. The author of that book claims that clones loose their genetic integrity with every generation. That is nonsense and voids that whole chapter of his book. If you are looking for a good book on cannabinoids then get "Marijuana Chemistry: Genetics, Processing & Potency" by Michael Starks. Okay this is the best I can do for you. Do get this book though. Just follow the path above and you will achieve your breeding goals. Good Luck.
25 of 25 people found the following review helpful
Format:Paperback
Robert Connell Clarkes indepth research is a one of a kind look at the subject of cannibas this book is very well reaserched and expells all the many myths about the cultivation of cannibas. This is truly a no nonsense guide dedicated to the horticulture and genetics of of this plant species and is considered to be "The Bible" on the subject by everyone who has delved into the art of cannibas cultivation. this book talks in detail of how to obtain the best speciman of what your tastes may be weather it is for the production of superior hemp fibers or top of the line intoxicant strain all methods are explained fully in this guide to produce the perfect strain of cannibas. Including the proper nutrients and thier role in plant growth. A must read for all who are serious about the cultivation of cannibas.
18 of 18 people found the following review helpful
Format:Paperback
If you have read some other reviews posted for this book then it would seem as if this researcher was talking out his ass but if you bother to actually read the book at all then you will realize that the information provided may or may not be intended for either your level of education as far as cannabis goes or for the specific agenda behind your reasons for growing cannabis.
No it is not a book for the first hand grower, and No this book will not tell you specifically what you need to know for how to grow some "killer bud" but if you want basically a manual for how to develop a purposeful breeding growing regimine and the best way to establish a sterile environment and efficient pollen collection and cultivation techniques then this is the book upon which it wouldn't hurt to start your reading collection.
This book was written in the eighties as has yet to be updated but it is useful and informative. The research however outdated is still competent and unbiased and anytime that you have definative data you should try to learn from it. The stated research spans nearly half a century of labratory and field study from doctors, scientists, horticulturists, and regular old smokey joe from down the street, as a person who has spent a number of years in the research and breeding fields I appreciated the fact that someone else had done the grunt work.
As a person who done some research, here is one thing which I can tell you that is probably the single most important thing anyone can tell you, do your homework!, if growing cannabis is something that you want to do with success then wouldn't you want to find the best way to do it with as little effort and waste as possible the best way that you can do this is READ, books, magazines, college research papers, jotted notes, articles on the internet and do your own kind of gruntwork, talk to competant people who have grown and produced, but most of all don't make any hardcore decisions about who's word you are going to follow and don't take it all to heart.
There is all kind of hype out there and books that have been written by noted celebrity types and documented so called "authorities" on the subject for your sake don't decide to go with anyone specific person's material the more broad based your knowledge the better chance you have of starting the perfect crop.
Probably the single most important piece of information I gleamed from this book is how the plant reacts to environment, chemical, and altitudinal changes, this kind of detailed information is exactly what should be contained in a botany book, and in my humble opinion R.C. Clarke has done a tremendous job of putting this information together.
No it is not a book for the first hand grower, and No this book will not tell you specifically what you need to know for how to grow some "killer bud" but if you want basically a manual for how to develop a purposeful breeding growing regimine and the best way to establish a sterile environment and efficient pollen collection and cultivation techniques then this is the book upon which it wouldn't hurt to start your reading collection.
This book was written in the eighties as has yet to be updated but it is useful and informative. The research however outdated is still competent and unbiased and anytime that you have definative data you should try to learn from it. The stated research spans nearly half a century of labratory and field study from doctors, scientists, horticulturists, and regular old smokey joe from down the street, as a person who has spent a number of years in the research and breeding fields I appreciated the fact that someone else had done the grunt work.
As a person who done some research, here is one thing which I can tell you that is probably the single most important thing anyone can tell you, do your homework!, if growing cannabis is something that you want to do with success then wouldn't you want to find the best way to do it with as little effort and waste as possible the best way that you can do this is READ, books, magazines, college research papers, jotted notes, articles on the internet and do your own kind of gruntwork, talk to competant people who have grown and produced, but most of all don't make any hardcore decisions about who's word you are going to follow and don't take it all to heart.
There is all kind of hype out there and books that have been written by noted celebrity types and documented so called "authorities" on the subject for your sake don't decide to go with anyone specific person's material the more broad based your knowledge the better chance you have of starting the perfect crop.
Probably the single most important piece of information I gleamed from this book is how the plant reacts to environment, chemical, and altitudinal changes, this kind of detailed information is exactly what should be contained in a botany book, and in my humble opinion R.C. Clarke has done a tremendous job of putting this information together.
Most Recent Customer Reviews
A Must Have for All Serious Growers!
While advanced for sure, this book should be in the possession of all serious growers. It covers a lot of details relating to botany and identifying basic cannabis expressions, to... Read more
Published 19 days ago by mo
marijuana botany
if you enjoy breeding cannabis this book WILL teach you how,not really an easy read but very informative,I really liked it!
Published 22 days ago by albinorat
Marijuana Botany: Propagation and Breeding of Distinctive Cannabis
This book was recommended for me by a friend as being a definitive resource on all aspects of growing. I am trying to help a medical cannabis patient with his "growing" problems. Read more
Published 4 months ago by Bert McCurley
no better place for the complete scientific break down of the plant
This book is absolutely amazing. From beginning to end of its life cycle, this book will explain it all. Very well done.
Published 6 months ago by rasdanwiwi
Lucid
A very clear and detailed explanation ( the beautiful drawings especially help in gaining perspective on the intricate process of cannabis growth and cultivation ) that gives a... Read more
Published 12 months ago by modelsofmodels
excellent for those who can understand.
too many people think breeding cannabis is easy, and they are messing up. This book explains how. and how to do it right. If you are smart enough to read and understand. Read more
Published 13 months ago by oren
About Propagation and Genetics not a how to grow guide.
As has been said in many reviews here this is not a how to grow book for beginners. If you want to produce seed this is a must read, but most growers will never need to use seed... Read more
Published 17 months ago by A READER
A excellent book on breeding rather than growing
This is an excellent book if you are interested in marijuana botany and propagation. It is not the best book if you are looking for general information on how to grow... Read more
Published 19 months ago by D. F. Curran
If you'd like a good scientific look at cannibis...
Then this book is for you!
If you're looking for a how-to guide for growing hydro, or any peticular method.. please look elsewhere. The name says it all... Read more
If you're looking for a how-to guide for growing hydro, or any peticular method.. please look elsewhere. The name says it all... Read more
Published 20 months ago by plant.one
Retired
This book, as compared to others on the same subject, is lacking content and substance. I would not recommend it to anyone if they are really interested in learning from the... Read more
Published on May 14, 2010 by Don
Inside This Book
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First Sentence:
"Cannabis is a tall, erect, annual herb." Read the first page Key Phrases - Statistically Improbable Phrases (SIPs): (learn more)
cannabinoid biosynthesis, large floral clusters, pistillate calyxes, calyx production, cannabinoid phenotypes, staminate plants, cannabinoid production, pistillate plants, cannabinoid acids, cannabinoid profile, cannabinoid levels, floral maturation, stipe cells, calyx size, floral stage, staminate parent, resin secretion, drug strains, cannabinoid content, pistillate parent, floral production, random pollinations, hashish production, flowering clusters, aromatic principles Key Phrases - Capitalized Phrases (CAPs): (learn more)
Hindu Kush, North America, United States, Harvest Timing, Mexican Cannabis, South Africa, Colombian Cannabis, Most Cannabis, Southeast Asia New!
Books on Related Topics | Concordance | Text Stats Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Back Cover | Surprise Me!
"Cannabis is a tall, erect, annual herb." Read the first page Key Phrases - Statistically Improbable Phrases (SIPs): (learn more)
cannabinoid biosynthesis, large floral clusters, pistillate calyxes, calyx production, cannabinoid phenotypes, staminate plants, cannabinoid production, pistillate plants, cannabinoid acids, cannabinoid profile, cannabinoid levels, floral maturation, stipe cells, calyx size, floral stage, staminate parent, resin secretion, drug strains, cannabinoid content, pistillate parent, floral production, random pollinations, hashish production, flowering clusters, aromatic principles Key Phrases - Capitalized Phrases (CAPs): (learn more)
Hindu Kush, North America, United States, Harvest Timing, Mexican Cannabis, South Africa, Colombian Cannabis, Most Cannabis, Southeast Asia New!
Books on Related Topics | Concordance | Text Stats Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Back Cover | Surprise Me!
Citations (learn more)
This book cites 3
books:
24
books
cite this book:
See all 24 books citing this book
- Bulletin on Narcotics by United Nations in Back Matter
- Forensic Science University Package: Forensic Science: An Introduction to Scientific and Investigative Techniques, 2nd edition by Stuart James in Back Matter
- Mausoleums (Shire Library) by Lynn F. Pearson in Back Matter
- Growing Extraordinary Marijuana: Second Edition by Adam Gottlieb on 5 pages
- Marijuana Horticulture: The Indoor/Outdoor Medical Grower's Bible by Jorge Cervantes on 5 pages
- Psychedelics Encyclopedia by Peter Stafford on 4 pages
- Marijuana Chemistry: Genetics, Processing, Potency by Michael Starks in Back Matter (1), Back Matter (2), and Back Matter (3)
- Indoor Marijuana Horticulture: The Indoor Bible by Jorge Cervantes on page 2, and page 322
See all 24 books citing this book
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