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The suppression and control of high humidity in glasshouses is important because it helps prevent fungal disease and promotes crop transpiration and growth. Condensation or relative humidities of more than 90 per cent for prolonged periods increase the risk of stem Botrytis, a devastating disease in...
Blackcurrants have to reach a certain size before they are able to respond to day length, the environmental signal that triggers stems to stop growing and to form flowers. The present experiments examined the effect of summer temperatures on stem growth and flower initiation and development under natural...
Nitrogen fertilisers apparently delay flowering of June-flowering strawberries if applied before flower initiation begins, yet they can promote flowering if applied after flower initiation has started.
Soil-borne Phytophthora rubi can infect raspberry and cause wilting, leading to plant death. Fruit yields are lost for the remainder of the crop's life because the soil contamination means that replacement plants are likely to succumb to infection.
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