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Caused by the same fungus responsible for tomato blight, potato blight causes the leaves to develop dark patches, starting at the edges. In humid conditions a white fungus appears around the marks. The infection then travels down the plant to the tubers, which turn a reddish-brow...

and the soil around it with a fungicide suitable for the control of rust fungus.roses, fruit trees, ornamental trees, shrubs, perennials, vegetables spring, summer, autumnOther problems affecting garden plantsHollyhock rustRose rustBlack spotIris leaf spot

are your best allies. Ladybirds can be bought as a biological control, and you can also buy ladybird houses to encourage these helpful creatures to take up residence in your garden. They need time to tackle the problem, so don't expect them to hoover up

Tomato blight, a fungal infection called Phytophthora infestans, spreads by wind and water-splash. It also attacks potatoes, and is triggered by warm, wet conditions, making outdoor tomatoes more susceptible than those in a greenhouse. The crop is quickly ruined, and even if it's...

The fungus that causes this problem spreads rapidly in the warm, humid conditions of a greenhouse. It usually becomes apparent on the lowest tomato leaves from early or midsummer, which develop yellow blotches on the upper leaf surface. The leaves eventually turn brown and wither...

Monty guide to growing onions, shallots and garlicGrowing garlic for medicinal purposes.Browse a variety of vegetable plants View a selection of herbsBlog on growing garlic by Lila Das Gupta

bugs away from beansVideo advice on growing climbing beansHow to plant out runner beansHow to use plant supportsDealing with pea and bean weevilsBrowse vegetable varietiesChoose plants by soil type

How to solve gardening problemsDeal with problems that affect ornamental treesAdvice on dealing with problems on rosesMethods of controlling garden weedsPlant profiles of Prunus species

away from beansBrowse vegetable varietiesChoose plants by soil type

Learn how to grow an early crop of beetroot in or out of the greenhouse, in this video project featuring Sarah Raven.late-FebruaryMore on growing vegetablesPlant profile of beetroot variety 'Boltardy'Growing potatoes in a binGrowing parsnips from