Pests & Diseases

Caliente mustard reduces potato cyst nematodes.

This post contains affiliate links. Caliente Mustard: reduces potato cyst nematodes improves soil structure – as a green manure suppresses soil disease and weeds – as a  biofumigant Caliente Mustard produces a naturally occurring biofumigant gas (isothiocyanate (ITC)) when its
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Grey Mould Spoils Strawberries

Wet weather is causing strawberries to suffer from grey mould (Botrytis cinerea). Grey mould, sometimes known as Botrytis blight, is caused by a fungus Botrytis cinerea which spreads in cool, rainy weather around 60 F. The disease is particularly damaging
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Slug Control in the Vegetable Garden

Watch out for slugs, and control them in the vegetable garden! Slugs eat young seedlings and will completely destroy your plans. Slugs like warm, moist conditions. So this spring has been perfect for them. Assume you will have slugs and be
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Slugs on Strawberries

  This is a bad year for slugs  on strawberries. The slug population has exploded in the ideal conditions provided by the wet conditions last summer & this spring. To reduce slug attacks on strawberries:     surround the strawberry row
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Trap Crops

A trap crop is a plant that attracts pests, usually insects, away from the fruit or vegetables which are growing nearby. Trap cropping is a type of companion planting and another form of organic or biological control. Examples of trap
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Powdery Mildew Disease in Courgettes

Powdery mildew is a fungal disease which flourishes on courgettes when the weather is warm and dry. Infected courgette plants are covered in a greyish-white mould, mainly on the upper surface of the leaves and young shoots. Mildew in courgettes
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Potato Blight Disease

TopVeg has (inadvertently) demonstrated that potato blight spreads in warm wet weather. When the weather was warm and wet, and for some reason a cloche had been put over half the potato row, so covering those potato leaves and keeping
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Grey Mould on Strawberries

Wet weather is causing strawberries to suffer from grey mould (Botrytis cinerea). Grey mould, sometimes known as Botrytis blight, is caused by a fungus Botrytis cinerea which spreads in cool, rainy weather around 60 F. The disease is particularly damaging
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American Gooseberry Mildew

American Gooseberry Mildew (Latin name – Podosphaera (syn. Sphaerotheca) mors-uvae)  is a common fungal disease of gooseberries and blackcurrants. Red and white currants may also be attacked. Signs of American Gooseberry Mildew in Gooseberries: A powdery, white coating appears on new
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Common Gooseberry Sawfly

Common gooseberry sawfly (Latin name – Nematus ribesii) is the most common pest of  gooseberries. The larvae of the gooseberry sawfly strip the leaves of gooseberry and red & white currant bushes anytime between May and September. The pale green
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