There are many benefits of DNA testing for the home gardener. Most obvious is the benefit of being able to check for unwanted disease, pests or contamination on the plants you are growing at home and identify the presence of harmful plant components you need to remove from your produce. If you are a new grower and you have not yet begun to test your crops with various extractions you may find yourself in an embarrassing situation. You could be removing contaminates that are potentially damaging to your crops or even to yourself. There are several different levels of testing and you want to make sure you get the correct test.