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23 Sep 2011 | by HDC

Large quantities of phosphate fertiliser are added to watercress to produce high-quality commercially acceptable crops.

Research Matters - Water deficits hit onion losses

16 Sep 2011 | by Dr Ken Cockshull

It is important that onion growers have reliable information about the factors that limit their ability to store bulbs for long periods.

Science Into Practice - Combating damping-off in spinach crops

09 Sep 2011 | by HDC

Damping-off was identified as a major problem on UK baby-leaf spinach in late summer 2008. Crops were affected mainly at the cotyledon stage and at canopy closure. In some cases losses were severe, with one grower losing a whole planting of a particular variety. Problems were less severe in 2009, following...

Research Matters - Plant pathogens and inorganic salts

19 Aug 2011 | by Dr Ken Cockshull

There is increasing pressure on conventional growers of orchard and field crops to reduce their usage of synthetic fungicides while the fungicides available to organic growers are limited both in number and effectiveness.

Science Into Practice - Controlling crown rot in strawberries

19 Aug 2011 | by HDC

Crown rot in strawberries can cause severe losses or even complete crop loss if the disease is not effectively controlled when using susceptible cultivars. Caused by the fungus Phytophthora cactorum, crown rot affects strawberries in both propagation and fruit production.

Science Into Practice - Onions and the risk of bacterial infections

12 Aug 2011 | by HDC

The bulb onion acreage in the UK is approximately 9,000ha with an annual production of 400,000 tonnes. Internal bacterial infections on average account for around two per cent of all marketable losses year on year.

Research Matters - Intra-canopy light effect on tomatoes

05 Aug 2011 | by Dr Ken Cockshull

With long-season tomato crops in glasshouses it is well-established that the photosynthetic ability of their leaves declines as the leaves become overshadowed by younger ones. Research workers, growers, and their advisors have often mused on whether this decline is due just to the increasing age of...

Research Matters - Antioxidants and strawberries

29 Jul 2011

Various fruits and vegetables are now marketed as possessing health-giving properties. The constituents that produce these properties are often antioxidants - such as phenolic compounds - and their natural function is to boost the plant's resistance to environmental stresses.

Science Into Practice - An improvement programme for broccoli crops

29 Jul 2011

Broccoli is a high-value crop. Basic Horticultural Statistics (2010) gave a provisional farm gate value of £57.5m for 2009. However, due to the perishability of the crop, industry estimates post-harvest handling losses in the range of five-to-seven per cent (£3-4m), while losses due to crop left in...

Science Into Practice - Parasitoid mix pitted against herb aphids

22 Jul 2011 | by HDC

Hawthorn-parsley aphid is a common and severe pest of year-round parsley, forming dense colonies at the base of stems, making it extremely difficult to control.

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