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C:\fakepath\rhs year 1 week 24
- 1. RHS Level 2 Certificate Week 24 – soft fruit
Notas do Editor
- Review learning outcomes Remind about Learner Diaries
- Most soft fruit is self fertile – but cross fertilization improves fruit set. Soft fruit is more tolerant of shade than top fruit.
- Pruning video. Autumn fruiting canes are cut down to about 5cm in winter – remove them all and the new canes will grow in Spring. Watering – another good situation to use a porous hose if you have a lot of plants. The slow drip of water is absorbed without much evaporation and the pipe can be run down between the rows if double rows are planted. Feeding – fertilizers are applied as a dressing in a band about 15cm wide not touching the stems, between the rows. This will be washed into the soil – the feeder roots of raspberries are shallow so it cannot be dug in.
- Use of varieties and protection to extend the fruiting season. Elsanta – ‘the fruit that bounces’
- Semi permanent crop – doesn’t need the sort of preparation that raspberries or currants do but the soil needs to be improved. Can propagate from runners (perpetual strawberries do not produce runners – divide crowns in November) – but this can result in virus build up in the bed, so only use healthy plants. Particular problem is build up of eelworm – which tunnel the roots and kill the plants. The replanting period enables strawberries to be worked into a four year vegetable rotation.
- Using a porous pipe can really cut down fungal diseases as the water goes only where it is needed. Strawing down keeps the fruit clean – not necessary if you have planted through black polythene. Cutting off and burning the foliage removes botrytis spores and other disease causing agents. If the crop debris are left disease problems build up quickly. Pests and diseases – principle pests are birds and eelworm. Principle diseases – virus and botrytis (grey mould).
- Same technique for planting as for the apple tree last week.
- Coral spot – try to avoid having old prunings or dead wood in the garden as this can form a reserve of coral spot spores. Only really a problem if the plants are stressed (drought or in the wrong situation) or damaged.
- Check with class – any questions.