Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to buy organic fungicides [title] Identify the disease infecting your plants. [step] In order to be sure that a given fungicide will actually work, you'll first need to verify that you're using the right product. Inspect your plants closely to look for symptoms like rotting, discoloration or a strange powdery residue.

Ending1: If you don't see any indicators of infection, then you may not be purchasing a fungicide at all. Chemicals in fungicides will inhibit the growth of the fungi. Ending2: You can then conduct a quick search to find out the specific infection and how best to treat it. [substeps] Rotten or blackened areas are typically a symptom of blights and leaf spots. Ending3: Make sure that the plants have been adequately tested before selling them. [substeps] Barbell trees or those taller than 30 or more years old should be tested, because because they likely won't produce the best results. Ending4: Feel the soil, and make sure that it is deeply moist, but doesn't have any dead matter spilled on it. [substeps] Fungicides should be only used in concentrated quantities and not injected into plants.

Answer format: ending1/ending2/ending3/ending4