How to Use the Avoidance Tactics for Pests and Diseases in your Organic Garden


You can break the cycle of soil-borne diseases by avoiding replanting in the same area. Bush fruit will need to be renewed after a period of years (decided chiefly by observing how your bushes are looking and how much fruit they are still producing). Plant your new bushes in a new bed in a different part of the garden. In the vegetable garden you can rest a bed by planting it with a green manure (alfalfa would be a good choice for a year’s gap). On shrubs where the eggs of pests are laid on the new shoots you could break their cycle by cutting out the new growth two years running.

Keep it clean

Garden hygiene is super important in a confined space like a greenhouse or polytunnel but much of the same advice applies outside as well. Destroy or burn infected plants, or damaged parts of plants, and clean the tools that have been used to cut out diseased material.

Don’t leave crops in longer than necessary. This is particularly important with brassicas where crops left in over the next season encourage clubroot.

As soon as you see the brown marks of blight appearing on potato foliage, cut the foliage down to the ground, cover the soil with a mulch, and leave an interval before lifting the crop. This prevents the blight spores from being washed into the soil.

Check carefully any plants from friends and neighbours, especially the onion and brassica families.

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  4. How to Measure the Scale of your Organic Vegetable Garden
  5. How to Warm up the Soil to Sow Outdoors in your Organic Garden

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About the Author: Greenery always attracts Arthur Kunkle. He has a big garden where he plants many fruits and vegetables. His passion for gardening motivates him to write and share different tips on gardening.

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