Practical findings from Horticultural Development Council trial, plus summaries of academic research and scientific trials, compiled by Dr Ken Cockshull.
Root diseases pose a serious threat to tomato production, with an increased risk where irrigation run-off is recycled. HDC project PC 281 used the molecular diagnostic method T-RLFP to begin to understand the diversity of microorganisms on tomato roots.
Codling moth is still the most important apple pest found in the UK and its control poses a major challenge for all growers.
HDC Project FV 364 investigated how cabbage root fly larvae (Delia radicum) locate brassica plants and tested potential treatments not involving conventional insecticides.
The production of quality container-grown hardy nursery plants requires accurate management of plant nutrition throughout the whole life of the crop.
Low light levels induce the growth of longer, weaker stems and petioles in plants, a condition known as etiolation. Such plants show reduced shelf life and may fail to meet buyer specifications and customer expectations. Etiolation can be an issue in pot herb production, so the HDC commissioned project PE 015 to investigate practical solutions.
Reports that earwigs are declining in some apple and pear orchards have raised concern for pest control and is it thought that this problem could be linked to the use of certain crop-protection products.
Infection of compost by Trichoderma aggressivum can result in up to 100 per cent crop loss in mushrooms.
Each season, strawberry growers expect to contend with certain flower and leaf pests, but they can never be quite sure when the pests will strike.
Most vegetables are botanically roots, leaves, stems, seeds or fruits. Broccoli is a flower bud, so the grower has a difficult task aiming for prolonged storage.
Previous HDC-funded work identified a replacement for formalin as an additive to bulb treatment tanks. However, the industry wanted to avoid depending on just FAM 30 (an iodine-based disinfectant).
Internal fruit rot of sweet pepper is an increasing problem worldwide and poses a significant issue for growers because symptoms will often not arise until at the packhouse or supermarket.
Pre and post-harvest splitting in radishes results in significant product wastage.
The phasing-out of tungsten bulbs led HDC to investigate alternatives (PC 296).
The soft-fruit industry is under pressure to reduce pesticide residues.
Spraying technology has seen some significant developments over the past few years.
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