All IPM practices in this blog series are 100% Organic  

With Pest Management the focus is control. Certain things in a garden we can control and other we cannot. Proper IPM practice is utuilizing all 4 major controls in a way that will either kill or (essentially) piss off pests so they just go away. 

Biological Control

The use of natural enemies—predators, parasites, pathogens, and competitors—to control pests and their damage.

 We are a HUGE advocate of carnivorous plants, especially pitcher plants. They produce a sweet sticky substance that attracts and traps most airborne pests. For a small upfront costs and the low amount maintenance (all they need is water) its a real win-win.

Information posted here was taken from our most recent (free) grow class Pest Control 201.

To see when this free grow class is available again check our class schedule.

#Growfamily Pro Tip: If you buy ladybugs don’t instantly unleash them in your garden. The adult ladybugs will not hunt down pests like you think. They are old and all they want to do is eat, drink, and reproduce. It’s the young and growing ladybugs that are notorious for eating 11 aphids an hour. If you all put the lady buds in a humidity dome with (organic) raisins and a sea sponge (has to be natural, don’t use a synthetic sponge) soaked with distilled water, the adults will eat/drink/reproduce while the young ones find a way out of the dome to terrorize your garden. This is a much more efficient way to use ladybugs as predatory insects. We do not suggest using lady bugs but if you do, try this.

Biological control is a huge aspect of permaculture especially. The farmer mindset is to attract these “helpers” naturally so they don’t have to buy them. This is actually why most farmers have bird feeders. Yes bird watching is fun however one of the farms I worked on (where he had been feeding the birds for 30+ years) always had different species coming onto the farm periodically. When they visit the farm they eat A LOT of insects which is A LOT less insects to worry about eating your crops.

Cultural Control

 Cultural controls are practices that reduce pest establishment, reproduction, dispersal, and survival. For example, changing irrigation practices can reduce pest problems (gnats especially) since too much water can increase root disease and weeds, and gnat reproduction.

 

‘Ien the last post IPM: Preventative Practices we used a spider mite infestation example. Mites are incredibly fast at reproducing when the conditions are right (hot and dry). So one way to culturally control them is by cooling of your environment and increasing humidity. Mites really don’t like the cold/moisture and it will decrease the rate of reproduction, making it faster and easier to eradicate the infestation. 

Some growers use cold temps ( every night, 60 degrees) as a cultural preventative to stop mites from even thinking about sleeping in their garden. If you’re indoors that means decreasing the temperature. If you’re outdoors that means pruning for more air flow, cooling the temperature inside the canopy.

 

Mechanical Control

Mechanical and physical controls kill a pest directly, block pests out, or make the environment unsuitable for it. Traps for rodents are examples of mechanical control. Plucking pests off the plants ole’ fashion is considered a physical control. Other examples are mulches for weed management, steam sterilization of the soil for disease management, or barriers such as screens to keep birds or insects out.

#GrowFamily Pro Tip: Yellow sticky paper is primarily for identifying pests, not trapping them. There is a lot of misconception here with newbies. Don’t think by hanging yellow paper that you’re safe from pests. It’s designed to let you know you have pests.

 

Chemical Control

Chemical control is the use of any pesticides. The goal of IPM is to utilize the first three controls before having to resort to a chemical control (organic or not). Pesticides are used only when needed and in combination with other approaches for more effective, long-term control. They are selected and applied in a way that minimizes their possible harm to people, nontarget organisms, and the environment. With IPM you’ll use the most selective pesticide that will do the job and be the safest for other organisms and for air, soil, and water quality.  

An Example of how to fully utilize Bio, Cultural, and Mechanical Controls

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If you would like to contribute to this #Learn2GROW blog post about IPM with tried and true methods (#Growfam Pro-tips) please contact doug@shoregrow.com or comment below (and thank you)