Root-knot nematodes: assess risk before planting
Root-knot nematodes (Meloidogyne spp.) can restrict root function and cause patchy weak growth, wilting and lower yield. Review previous crop damage and diagnostic results before planting; select resistant varieties or rootstocks according to the nematode identified. Follow root condition and crop performance throughout the season, with targeted nematode management alongside water and nutrition.
View biological products →Discuss this crop challenge →Fusarium wilt & seedling root diseases
Fusarium wilt and damping-off associated with Pythium or other soilborne pathogens require different management. Persistent wilting, uneven establishment and plant losses warrant diagnosis rather than a fertiliser correction alone. Healthy transplants, appropriate resistance, drainage and field hygiene form the foundation; review disease incidence as fruit load increases.
View biological products →Discuss this crop challenge →Calcium availability is only part of the picture
Blossom-end rot is associated with inadequate calcium in expanding fruit. It can develop even when the root zone contains calcium, because water fluctuations or impaired roots interrupt delivery. Start with irrigation and crop observations, then use soil, substrate or tissue information to assess whether additional calcium is justified.
Discuss this crop challenge →Fruit set depends on the growing environment
Flowering and fruit set respond to temperature and the balance of crop growth. A vigorous canopy is not, on its own, evidence of a productive crop. Compare retained flowers, developing trusses and marketable harvests when evaluating a biological input alongside the existing growing programme.
Discuss this crop challenge →Distinguish growing systems and harvest targets
Soil-grown fresh-market tomatoes, substrate-grown greenhouse crops and processing tomatoes differ in rooting environment and harvest pattern. Define the cultivar, rootstock where used, growing medium and crop duration before selecting a product role or comparing results.
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