Saturday 3 September 2011

Foot and Root Rot

Scientific name of Foot and Root Rot is Aphanomyces cutiches
Definition
A range of soil born fungi that attack plants, usually killing roots and causing stem to rot. Such rots are likely to occur where the same crops are grown year on year. Outdoor tomato plants that have not been regularly watered or potted on properly are particularly susceptible. Root rots can also result from irregular watering and may affect plants under glass. These soil-bon fungi can also cause other problem, such as storage mould, stem canker and damping off.
Symptoms and damage;
Stem bases turn brown or black. The leaves discolor and shoots die back, in sever cases of rot plants can collapse.
Foot and Root Rot
Plants Affected;
A huge range of shrubs and perennials, especially Micaelmas daisies (aster), chrysanthemums (chrysanthemum). Delphiniums (Delphinium) , Heathers (Erica), gentians (Gentiana), Lupins (lupines), Primaulas (Primaula); tomatoes, peas and beans are affected by  Foot and Root Rot.
Prevention and control
If the plants are lightly affected by Foot and Root Rot than water with a solution of Cheshunt compound.
Alternatively, lift plants, cut out diseased tissue and replant in fresh soil. Boost recovery with a foliar feed. Destroy severely affected plants. Woody Plants; if disease is not sever, cutback damaged shoots to some healthy material. Badly affected plants are best dug up and destroyed. To minimize risk of reinfection, replace the soil before planting to a depth of 30 cm (12 incht) for heathers, 60 cm (60 inch) for larger shrubs.
Vegetable Garden; Practise crop rotation, seed can be dressed with a product containing captan prior t sowing. Under glass; replace or sterilize the soil every three year if growing in open ground; use fresh sterilize compost (soil mix) in containers. Water with care since these rots often take hold as a result of faulty root action.origninalSource;Foot and Root Rot

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