What's Wrong with My Marijuana Plant?

A simple step-by-step system for identifying, repairing, and preventing problems with marijuana plants.

What's Wrong with My Marijuana Plant? is the first problem-solving book for marijuana growers with an effective and easy-to-use visual diagnostic system pioneered by Deardorff and Wadsworth for identifying pest, disease, and environmental problems by symptom. What are those rusty spots on your leaves? What bug is eating your buds? Why are your sativa sprouts covered in fuzz? Find out fast AND learn how to fix it! This book contains all-organic solutions (vitally important to protect your health, the health of your plants, and the environment) plus best growing practices to avoid problems before they start. Written in easily understandable, non-technical language and heavily illustrated with precise photography to allow rapid and accurate diagnosis, this is an essential resource for beginning and experienced growers alike.

CONTENTS

Introduction 1

PART I— WHAT’ S WRONG? VISUAL PROBLEM-SOLVING GUIDES
Chapter One— Problems on the Whole Plant 9
Chapter Two— Problems on Leaves 21
Chapter Three— Problems on Flowers and Flower Buds 56
Chapter Four— Problems on Stems 64
Chapter Five— Problems on Roots 74
Chapter Six— Problems on Seeds and Seedlings 79

PART II— HOW DO I FIX IT? ORGANIC SOLUTIONS
Chapter Seven— Change the Growing Conditions 87
Chapter Eight— Use Biological Controls 96
Chapter Nine— Use Organic Chemical Remedies 120
Chapter Ten— Create Healthy Growing Conditions 135
Chapter Eleven— Manage Nutrients 147
Chapter Twelve— Manage Light 154
Chapter Thirteen— Manage Water 157
Chapter Fourteen— Manage Temperature and Humidity 160
Chapter Fifteen— Use Proper Pruning Techniques 162
Chapter Sixteen— Use Proper Propagation Techniques 165