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PLANT PESTS WILL ALWAYS BE A PROBLEM for cannabis growers and should never be ignored. An infestation or infection can kill all of your plants very quickly. Minor pest attacks can stunt plant development, which can prevent them from achieving optimal growth or even cause the hermaphrodite condition to appear in your sinsemilla crop.


Of course, some strains can cope with pest attack better than others and some experts will tell you that a little pest attack only serves to \'harden\'the plants up a bit. Although stress brought on by pest attack can cause the plant to produce its fruits and foliage more vigorously, there is a fine line between hardening a plant up and causing the hermaphrodite condition to appear along with impaired growth.


You should also keep in mind that, outdoors, pests have to contend with the forces of nature and predators, but pests will thrive in clean, healthy indoor environments and spread quickly. As a result, you can expect pest attacks to be more frequent and damaging indoors than outdoors. Indoors, any pests must be dealt with immediately.




It must be said that, for an outdoor garden, a cat is the number one defense system against most small predators, but a cat can bring unwanted pests into an indoor grow room! Cats also like to play with indoor plants so be very careful with your plants and pets. Cats, especially kittens, like to use the base of cannabis plants as a litter box. Puppies and young dogs also like to play with cannabis plants (including biting their stems). Keep domestic pets out of your indoor grow room.




Pesticides are substances for destroying pests. Herbicides are products that destroy weeds and plants. Fungicides are used to kill fungi. New growers should not attempt to use herbicide, as the risk of harming your plants is too great. Solutions to specific pest and fungi problems are covered below in detail.




Use only repellents and pesticides that are clearly marked for Food Product Use on the label. If a repellent or pesticide is not safe for food product use then do not use it on your plants! You could be smoking or cooking with your plants later and you don\'t want to end up in a hospital because of poisoned bud. If a pesticide is safe for food product use then it will be safe to use on your bud. Read the product instructions clearly and carefully. Do not take short cuts. Follow the instructions on the label carefully.




Pesticides come in a variety of different formats. These include: pellets, sprays, powders and gases. Pellet-type pesticides usually come in boxes or tubs.The pellets usually range from 2 mm to 10 mm in length and are eaten by pests such as slugs, snails and larvae. Sprays come in liquid form or as a fine powder that you need to mix with water. Most liquid pest sprays come with a nozzle attached to the bottle so they can be used directly without mixing or transfer to another spray can. Powder pesticides that are not to be used as a spray are simply added to soil around the base of the plant, but not directly onto the plant itself. These powder pesticides are useful for removing low-level area pests like slugs and snails. Gas pesticides are also known as vpest bombs\'. These types of pesticides are used to fumigate indoor areas to eradicate pests. Dead pests can then be removed from the room.


Why Cannabis Resin and Soapy Pesticides Don\'t Mix


Soaking a flowering female with a soapy pesticide is not a good idea for several reasons.


First, any liquid applied to the bud in large amounts will remove some of the tri-chomes simply because of the way in which it must be applied and not because of the solution coming into contact with theTHC-containing resin glands. In fact, THC is not water-soluble as we will explain in more detail when we cover hashish making and resin extraction in Chapter 17. Repeated application of soapy pesticides as directed will only remove more trichomes.


Secondly, soaps add additional water weight to the flowering plant, causing stems and branches to bend. This added weight and film of soapy water on the leaves and stems can stunt growth by slowing photosynthesis until the plant is dry again.


Thirdly, turning on indoor lights before plants are dry creates a risk of burning as the pesticide chemicals can change composition due to heat. The result is much like white powdery blotches on the leaves with indications of burning.


Try to avoid using soapy pesticides or any pesticides on a flowering cannabis plant by solving pest problems back in the vegetative stage of the cannabis life cycle before any bud or resin is produced.




This index is by no means exhaustive. The pests described in this section were selected because they are the most common and are responsible for most cannabis-related pest attacks.

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